Diploma in Electrical and Electronics Engineering PAGE 1

` DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING COURSES OFFERED CODE COURSE CREDITS YEAR/SEMESTER 15O A) FOUNDATION COURSES : (49 CREDITS) (COMMON FOR ALL PROGRAMMES) 0101 Communicative English – I 5 I/ODD 0102 Engineering Mathematics-I 8 I/ODD 0103 Engineering Physics – I 5 I/ODD 0104 Engineering Chemistry – I 5 I/ODD 0105 Engineering Physics- I Practical 1 I/ODD

0106 Engineering Chemistry – I Practical 1 I/ODD

0107 Communicative English – II 4 I/EVEN 0108 Engineering Mathematics-II 5 I/EVEN 0109 Applied Mathematics 5 I/EVEN 0110 Engineering Physics – II 4 I/EVEN 0111 Engineering Chemistry – II 4 I/EVEN 0112 Engineering Physics – II Practical 1 I/EVEN 0113 Engineering Chemistry – II Practical 1 I/EVEN B) CORE TECHNOLOGY COURSES : ( 43 CREDITS) 0201A Workshop Practical 1 I/ODD 0202 Engineering Graphics-I 3 I/ODD 0203 Engineering Graphics-II 3 I/EVEN 0204 Computer Applications Practical – I 1 I/ODD 0205 Computer Applications Practical – II 1 I/EVEN 3201 Electrical Circuit Theory 6 II/ODD 3202 Electrical Machines - I 5 II/ODD 3203 Electronic Devices and Circuits 5 II/ODD 3204 Electrical Circuits and Machines Practical 3 II/ODD 3205 Electronic Devices and Circuits Practical 3 II/ODD 3206 Electrical Workshop Practical 2 II/ODD 3207 Life and Employability Skills Practical 2 II/ODD 3208 Digital Electronics 5 II/EVEN 3209 Integrated CircuitsPractical 3 II/EVEN

C) APPLIED TECHNOLOGY COURSES: (58 CREDITS)

3301 Electrical Machines – II 5 II/EVEN

3302 Measurements and Instruments 4 II/EVEN

3303 Transducers and Signal Conditioners 4 II/EVEN

3304 Electrical Machines and Instrumentation Practical 3 II/EVEN

3305 Computer Aided Electrical Drawing Practical 3 II/EVEN

3306 Generation , Transmission and Switchgears 5 III/ODD

3307 Microcontroller and Applications 5 III/ODD

3308 Electrical Estimation and Energy Auditing 5 III/ODD

3309 Microcontroller and Applications Practical 2 III/ODD

3310 Electrical Circuits Simulation Practical 2 III/ODD

3311 Professional Practice and Mini Project 2 III/ODD

3312 Distribution and Utilisation 5 III/EVEN

3313 Operation and Maintenance of Electrical Equipment 6 III/EVEN

3314 Wiring and Winding Practical 3 III/EVEN

3315 Solar Power Practical 2 III/EVEN

3316 Project work, Environment and Disaster Management 2 III/EVEN

D) DIVESIFIED TECHNOLOGY COURSES: (15 CREDITS)

GROUP –A

3401A Control of Electrical Machines 5 III/ODD

3402A Control of Electrical Machines Practical 2 III/ODD

3403A Power Electronics 5 III/EVEN

3404A Power Electronics Practical 3 III/EVEN

GROUP –B

3401B Programmable Logic Controller 5 III / ODD

3402B Programmable Logic Controller Practical 2 III / ODD

3403B Bio-Medical Instrumentation 5 III / EVEN

3404B Bio-Medical Instrumentation Practical 3 III / EVEN

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` CURRICULUM OUTLINE (Aided and SS Programmes) SEMESTER I [ODD (I)] Practical/ Code Theory Tutorial Total Course Drawing Credits (15O) Periods / Week 0101 Communicative English – I 5 - - 5 5 0102 Engineering Mathematics – I 8 - - 8 8 0103 Engineering Physics – I 5 - - 5 5 0104 Engineering Chemistry – I 5 - - 5 5 0105 Engineering Physics – I Practical - 2 - 2 1 0106 Engineering Chemistry – I Practical - 2 - 2 1 0201A Workshop Practical-I - 3 - 3 1 0202 Engineering Graphics – I - 6 - 6 3 0204 Computer Applications Practical –I - 2 - 2 1 Test - - 2 2 - TOTAL 23 15 2 40 30

SEMESTER II [EVEN (I)] Practical/ Code Theory Tutorial Total Course Drawing Credits (15O) Periods / Week 0107 Communicative English – II 4 - 1 5 4 0108 Engineering Mathematics – II 5 - - 5 5 0109 Applied Mathematics 5 - 1 6 5 0110 Engineering Physics – II 4 - 1 5 4 0111 Engineering Chemistry – II 4 - 1 5 4 0112 Engineering Physics – II Practical - 2 - 2 1 0113 Engineering Chemistry – II - 2 - 2 1 Practical 0203 Engineering Graphics – II - 6 - 6 3 0205 Computer Applications Practical– II - 2 - 2 1 Test - - 2 2 - TOTAL 22 12 6 40 28

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` CURRICULUM FOR 15O SCHEME (Effect from June 2016) SEMESTER III [ODD (II)] Seminar/ Drawing / Code Theory Library/ Total Course Practical Credits (15O) Test Periods / Week 3201 Electrical Circuit Theory 6 - - 6 6 3202 Electrical Machines – I 5 - - 5 5 3203 Electronic Devices and Circuits 5 - - 5 5 3204 Electrical Circuits and Machines Practical - 6 - 6 3 3205 Electronic Devices and Circuits Practical - 6 - 6 3 3206 Electrical Workshop Practical - 4 - 4 2 3207 Life and Employability Skills Practical - 4 - 4 2 Seminar - - 1 1 - Library - - 1 1 - Test - - 2 2 - Total 16 20 4 40 26

SEMESTER IV [EVEN (II)] Seminar/ Drawing / Code Theory Library/ Total Course Practical Credits (15O) Test Periods / Week 3301 Electrical Machines - II 5 - - 5 5 3302 Measurements and Instruments 4 - - 4 4 3208 Digital Electronics 5 - - 5 5 3303 Transducers and Signal Conditioners 4 - 4 4

Electrical Machines and Instrumentation 3304 - 6 - 6 3 Practical 3209 Integrated Circuits Practical - 6 - 6 3 Computer Aided Electrical Drawing 3305 - 6 - 6 3 Practical Seminar - - 1 1 - Library - - 1 1 - Test - - 2 2 - Total 18 18 4 40 27

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` SEMESTER V [ODD (III)] Seminar/ Drawing / Code Theory Library/ Total Course Practical Credits (15O) Test Periods / Week Generation, Transmission and 3306 5 - - 5 5 Switchgear 3307 Microcontroller and Applications 5 - - 5 5 Electrical Estimation and Energy 3308 5 - - 5 5 Auditing 3401 Diversified Course- I (Theory)* 5 - - 5 5 3310 Electrical Circuits Simulation Practical - 4 - 4 2 Microcontroller and Applications 3309 - 4 - 4 2 Practical 3402 Diversified Course – I (Practical)* - 4 - 4 2 3311 Professional Practice and Mini Project - 4 - 4 2 Seminar - - 1 1 - Library - - 1 1 - Test - - 2 2 - Total 20 16 4 40 28

SEMESTER VI [EVEN (III)] Seminar/ Drawing / Code Theory Library/ Total Course Practical Credits (15O) Test Periods / Week 3312 Distribution and Utilization 5 - - 5 5 Operation and Maintenance of 3313 6 - - 6 6 Electrical Equipment 3403 Diversified Course-II (Theory)* 5 - - 5 5 3314 Wiring and Winding Practical - 6 - 6 3 3315 Solar Power Practical - 4 - 4 2 3404 Diversified Course – II (Practical)* - 6 - 6 3 Project Work, Environment and 3316 - 4 - 4 2 Disaster Management Seminar - - 1 1 - Library - - 1 1 - Test - - 2 2 - Total 16 20 4 40 26 Note :  *Students can opt Diversified courses from either group - A or group - B in Semester V and Semester VI  Library and Seminar periods are allotted in all the semesters. The students must present a power point presentation in each course which will be facilitated by the respective faculty. The hardcopy of the presentation must be collected by the respective faculty for records.

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D) DIVESIFIED TECHNOLOGY COURSES: (15 CREDITS)

GROUP –A

3401A Control of Electrical Machines 5 III/ODD

3402A Control of Electrical Machines Practical 2 III/ODD

3403A Power Electronics 5 III/EVEN

3404A Power Electronics Practical 3 III/EVEN

GROUP –B

3401B Programmable Logic Controller 5 III / ODD

3402B Programmable Logic Controller Practical 2 III / ODD

3403B Bio-Medical Instrumentation 5 III / EVEN

3404B Bio-Medical Instrumentation Practical 3 III / EVEN

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` SCHEME OF EXAMINATION

For All Theory Courses

Duration of Examination 3 Hours

Continuous Assessment Marks 25

Semester End Examination Marks 75

Total Marks 100 Minimum marks for a pass in a course is 40 (Out of which a minimum of 30 marks is to be scored in the semester-end examination)

For All Practical Courses

Duration of Examination 3 Hours

Continuous Assessment Marks 25

Semester End Examination Marks 75

Total Marks 100 Minimum marks for a pass in a course is 50 (Out of which a minimum of 35 marks is to be scored in the semester-end examination)

PATTERN OF QUESTION PAPERS IN AUTONOMOUS EXAMINATIONS

Time: 3 HoursMax.Marks:75

PART A (1 to 8) 5 Questions are to be answered out of 8. th Answering of 8 question is compulsory.Minimum one question and maximum of two questions from each unit. 5 x 2 Marks 10 Marks (Questions on Definition, Statement, Formula, Statement of Theorem etc.) PART B (9 to 16) 5 Questions are to be answered out of 8. th Answering of 16 question is compulsory. Minimum one question and maximum of two questions from each unit. 5 x 3 Marks 15 Marks (Short answer type questions.)

PART C (17 to 21) All the 5 questions are to be answered Each question will be either orpattern. This question may have sub-divisions also. One question from each unit, 5 x 10 Marks 50 Marks (Descriptive type questions.)

Total 75 Marks

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` Alternative Courses for II & III Year under 11O-Scheme for the respective 15O-Scheme Sem Course 11O-Scheme Courses Sem Course 15O-Scheme Courses Code (Old Scheme) Code (Revised Scheme) (with effect from October/November 2016 Examinations) III 3201 Electric Circuit Theory – I III 3201 Electric Circuit Theory III DC Machines and Special III 3202 3202 Electrical Machines – I Machines III 3203 Electronic Devices and Circuits III 3203 Electronic Devices and Circuits III Electric Circuits and Machines III Electrical Circuits and Machines 3204 3204 Practical Practical III Electronic Devices and Circuits III Electronic Devices and Circuits 3205 3205 Practical Practical III 3206 Computer Applications Practical No Alternative III Workshop Practical(Lathe And III 3207 3206 Electrical Workshop Practical Welding) (with effect from April 2017 Examinations) IV 3208 Electric Circuit Theory – II III 3201 Electric Circuit Theory IV AC Machines and Special IV 3301 3301 Electrical Machines – II Machines IV 3209 Digital Electronics IV 3208 Digital Electronics IV 3302 Measurements and Instruments IV 3302 Measurements and Instruments IV Communication and Life Skills III Life and Employability Skills 3210 3207 Practical Practical IV Electric Machines and IV Electrical Machines and 3303 3304 Instrumentation Practical Instrumentation Practical IV Digital Electronics and Linear IV 3211 3209 Integrated Circuits Practical Integrated Circuits Practical (with effect from October/November 2017 Examinations) V V Generation, Transmission and 3304 Power System – I 3306 Switchgear V 3305 Microcontroller and Applications V 3307 Microcontroller and Applications V IV Transducers and Signal 3306 Transducers and Signal Conditioners 3303 Conditioners V 3401 Diversified Course – I (Theory) V 3401 Diversified Course- I (Theory) V V Electrical Circuits Simulation 3307 Simulation Practical 3310 Practical Microcontroller and Applications Microcontroller and Applications V 3308 V 3309 Practical Practical V 3402 Diversified Course – I (Practical) V 3402 Diversified Course – I (Practical) V Professional Practice and Mini V Professional Practice and Mini 3309 3311 Project Project (with effect from April 2018 Examinations) VI 3310 Power System – II VI 3312 Distribution and Utilization Electrical Estimation and Energy Electrical Estimation and Energy VI 3311 V 3308 Auditing Auditing VI 3403 Diversified Course – II (Theory) VI 3403 Diversified Course-II (Theory) VI 3312 Wiring and Winding Practical VI 3314 Wiring and Winding Practical Computer Aided Electrical VI 3313 Computer Aided Electrical Drawing IV 3305 Drawing Practical VI 3404 Diversified Course – II (Practical) VI 3404 Diversified Course – II (Practical) Project Work, Entrepreneurship, Project Work, Environment and VI 3314 Environment Management, and VI 3316 Disaster Management Disaster Management Note: * Accordingly, if a candidate has failed in both Electric Circuit Theory - I (11O-3201) and Electric Circuit Theory - II (11O- 3208) of 11O scheme, then the candidate has to write Electrical Circuit Diploma in Electrical and Electronics Engineering PAGE 8

` Theory (15O-3201) of 15O scheme. In such conditions, the marks secured in Electrical Circuit Theory of 15O scheme will be awarded to both Electric Circuit Theory – I and Electric Circuit Theory – II of 11O- Scheme. This comes into effect from April 2017 examinations onwards.

SEMESTER III

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` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM 15O - SCHEME Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : III Course Code : 15O - 3201 Course Name : ELECTRICAL CIRCUIT THEORY TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods Periods/ Continuous Semester End Total / week Semester Assessment Examinations Electrical Circuit 6 90 25 75 100 3 Hours Theory

TOPICS AND ALLOCATION OF PERIODS

Unit No Topic No of Periods

I BASICS OF DC CIRCUITS 17 II CIRCUIT THEOREMS 15 III SINGLE PHASE CIRCUITS 15 IV RESONANT CIRCUITS 15 V THREE PHASE CIRCUITS 15

INDUSTRIAL VISIT 04

CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 09

TOTAL 90

COURSE OUTCOMES

15O – 3201Electrical Circuit Theory On successful completion of this course, students should be able to C301.1 : Define and relate among fundamentalelectrical quantities and apply the principles of Ohm’s law, Kirchhoff’s Laws to solve DC circuits. C301.2 : Reduce the complex circuits using reduction techniques, theorems and source transformation C301.3 : Define terms used for AC, compare and solve AC series and parallel circuits using various circuit elements. C301.4 : Solve design parameters (Q factor, Bandwidth) for Series and Parallel resonant circuits.

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` C301.5 : Compare AC 3 phase and single phase system; Determine power and power factor in polyphase circuits. CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C301.1 3 3 3 3 - - - 2 1 - 3 1 C301.2 3 3 3 3 - - - 2 1 2 3 1 C301.3 3 3 3 3 - - - 2 1 2 3 1 C301.4 3 3 3 3 - - - 2 1 2 3 1 C301.5 3 3 3 3 - - - 2 1 2 3 1 Total 15 15 15 15 - - - 10 5 8 15 5 Correlation 3 3 3 3 - - - 2 1 2 3 1 Level

DETAILED SYLLABUS

UNIT 1 BASICS OF DC CIRCUITS …… 17PERIODS Electrostatics: 1.1 7Per Electric Flux-Electric Flux Density–electric FieldIntensity–electric potential-Coulomb’s laws of electrostatics-concept of capacitance – Relationship between Voltage, Charge and capacitance – energy stored in a capacitor – capacitors in series and in parallel – Problems in above topics. (Referthe weblink :https://www.youtube.com/watch?v=aoIH0aTnOhk for capacitor charging and discharging) Dc Circuits: 1.2 10Per Basic concepts of current, emf, potential difference,resistivity, temperature coefficient of resistance – Ohm’s Law –application of Ohm’s law – work, power, energy – relationship between electrical, mechanical and thermal units – resistance –series circuits – parallel and Series parallel circuits – Kirchhoff’slaws –Problems in the above topics. (Refer the weblink : https://www.youtube.com/watch?v=BDEyvgrp8N4for Series and parallel circuits)

UNIT 2 CIRCUIT THEOREMS ……15 PERIODS Mesh equations – Nodal equations – star/delta transformations – 2.1 Superposition theorem – Thevenin’s theorem –Norton’s theorem – Maximum power transfertheorem. (Problemsin DC circuits only) (Refer the weblink :https://www.youtube.com/watch?v=DYg8B-ElK0s for Mesh Current Analysis, https://www.youtube.com/watch?v=D2PhEJFoPMM for Nodal Analysis, https://www.youtube.com/watch?v=eup54NzY94o for Star delta conversion, https://www.youtube.com/watch?v=QXY6hAxVP4g for Superposition Theorem, https://www.youtube.com/watch?v=25axDabtoFk for Thevenin’s Theorem, https://www.youtube.com/watchv=FqcHtww1QWs for Norton’s Theorem, https://www.youtube.com/watch?v=UQfrAg2858sfor Maximum power transfer theorem)

UNIT 3 SINGLE PHASE CIRCUITS ……15PERIODS

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` ‘j’ notations – rectangular and polar coordinates –Sinusoidal voltage and current 3.1 – instantaneous, peak, average and effective values – form factor and peak factor(derivation forsine wave) – pure resistive, inductive and capacitive circuits – RL,RC, RLC series circuits – impedance – phase angle – phasor diagram – power and power factor – power triangle – apparent power, active and reactive power – parallel circuits(two branches only) - Conductance, susceptance and admittance – problems on all above topics. (Refer the weblink : https://www.youtube.com/watch?v=XUfjr8VGJJ8 for single phase circuits) UNIT 4 RESONANT CIRCUITS ……15 PERIODS

4.1 Series resonance – parallel resonance (R,L &C; RL&C only) –quality factor – dynamic resistance – comparison of series andparallel resonance – Problems in the above topics – Applications of resonant circuits

(Refer the weblink : https://www.youtube.com/watch?v=WGyMy9QgkLsfor parallel resonance )

UNIT 5 THREE PHASE CIRCUITS ……15 PERIODS 5.1 Three phase systems-phase sequence –necessity of three phase system–concept of balanced and unbalanced load - balanced star&delta connected loads – relation between line and phase voltages and currents – phasor diagram – three phase power and power factor measurement by single wattmeter and two wattmeter methods – Problems in all above topics. (Refer the weblink : https://www.youtube.com/watch?v=FA9D1FuV5yA for two wattmeter method)

TEXT BOOK

NAME OF THE S.NO. AUTHOR PUBLISHER YEAR OF PUBLISHING / EDITION BOOK 1. Electric Circuit Dr.M.Arumugam Khanna 2003 Theory Dr.N.Premkumaran Publishers, Fifth Edition New Delhi REFERENCES

NAME OF THE YEAR OF PUBLISHING / S.NO. AUTHOR PUBLISHER BOOK EDITION 1 Circuits and A. Sudhakar Tata McGraw Hill 2007 Networks Shyammohan S Publishing Company Third Edition Analysis and Palli Ltd., New Delhi Synthesis 2 Electric Circuits Mahamood Tata McGraw Hill 2000 Fifth Edition Nahvi Publishing Company Joseph A Ltd., New Delhi Edminister

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LIST OF PROPOSED STUDENT ACTIVITIES

I. INDUSTRIAL VISITS To impart industrial visit to any one of the following industries to understand real time applications: 1. Swelect Energy systems, 58/3, Nachiyur, Salem Main Road,Veerapanpalayam,Idappadi, Salem-637 105. 2. Steel Authority India Limited, Salem Steel Plant, Salem- 636013. 3. Sub Station, TANGEDCO Udayapatty,Salem -636 014. Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned.

III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES: 1. Electrical Pro 2. Multisim 3. www.allaboutcircuits.com 4. www.electronics-tutorials.com

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` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING ELECTRICAL CIRCUIT THEORY Model Question Paper- I Year/Sem: II / III Max. Marks : 75 Code no: 15O-3201 Time : 3 Hrs PART-A 5 x 2 = 10 marks Unit Bloom’s Answer any FIVE questions of which Q.No. 8 is Compulsory. Taxonomy All questions carry equal marks. Level

1. State Kirchhoff’s laws. I R 2. Find the equivalent resistances between points A and B I R

5Ω 5Ω 5Ω A B

3. State Thevenin’s theorem. Also draw the thevenin’s equivalent circuit. II R 4. Define power factor. Also Draw the power triangle. III R 5. A coil of inductance 0.4H draws a current of 0.8A when connected to 250V, 50 Hz III Ap. supply. What is the resistance of the coil? 6. State any four applications of resonance circuit. IV R 7. The power input to a 3 phase induction motor is read by two wattmeters. The V Ap. readings are 860 W and 240 W. What is the input power and power factor of the meter? 8. State the advantages of 3 phase system over single phase system. V R PART-B 5 x 3 = 15 marks Answer any FIVE Questions of which Q. No.16 is Compulsory : All questions carry equal marks. 9. A circuit consists of 3 Ω, 4 Ω, 6Ω in parallel and a fourth resistor 4Ω in series. A battery of I Ap. e.m.f 12V with an internal resistance of 5Ω is connected across the circuit. Find the total resistance, total current, current in each element and voltage drop. 10. A house is fitted with 5 lamps of 100 Watts each, one electric press of 220V drawing 2A I Ap. of currents, 4 fans of 110 Watts each and a heater of 1120 watts. If all the appliances work for 2 hours a day. Find the electricity bill for the month of September. Electrical energy is supplied at Rs. 2 per kWh. 11. Find the Current flows through RLusing Thevenin’s theorem? II Ap.

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` 12. Derive an expression for finding delta equivalent of three resistors connected in star. II U 13. Convert the phasors (3+j4) and (8+j6) into polar form and find their product in II U polar form. 14. Derive the expression for instantaneous power in Pure Resistor circuit. III U 15. A coil of 20 ohms resistance and an inductance of 0.2H and is connected in IV Ap. parallel with a capacitor of 100 mfd. Calculate the frequency at which the circuit will act as a non inductive resistance of R ohms. Find the value f R. 16. Three impedances each having a resistance of 20Ω and an inductive reactance of V Ap. 15 Ω are connected in star across a 400V, 3-phase supply. Calculate (i)line current (ii( Power Factor (iii)the total power in kW PART-C 5 x 10 = 50 marks Note: (i) Answer all the questions choosing either sub-division (A) or Unit Bloo Max. Marks m’s sub-division (B) of each question. Taxo (ii) All questions carry equal marks nom y Level

17. A A circuit consisting of three resistors 12Ω, 18Ω, 36Ω respectively joined in Ap. I 10 parallel is connected in series with a fourth resistance. The whole circuit is applied with 60 V and it is found that the power dissipated in the 12Ω resistor is 36 W. Determine the value of the fourth resistance and the total power dissipated in the circuit. (OR) B Determine the current through the galvanometer by using Kirchhoff’s law. Ap. I 10

5Ω 20Ω 6Ω

10Ω 4Ω

100V 2Ω

18. A Solve the network by Nodal analysis and find the power supplied by the Ap. II 10 sources.

0.25Ω 0.5Ω 0.2Ω

250V 1Ω 1Ω

220V

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` (OR)

B Determine the currents by using mesh analysis method. Ap. II 10

19. A When a voltage of 100V, 50Hz is applied to a choking coil ‘A’, the current Ap. III 10 is 8A and the power is 120 Watts. The same voltage is applied to a coil B, the current is 10A and the power is 500W. What current and power will be taken when 100V, 50Hz is applied to the two coils connected in series. (OR) B Two impedance Z1=8 + j6 and Z2 = 3 – j4 are connected in parallel across 230V, Ap. III 10 50 Hz supply. Calculate 1. Current in each branch 2. The total current of the circuit 3. Circuit power factor 4. Power taken by the circuit. 20. A i. A coil having a resistance of 5 ohms and reactance of 8 ohms in series with a Ap. IV 5 capacitor such that the combination resonates at a frequency of 50 Hz. Find the value of capacitance and the current if the supply voltage is 220 Volts. ii. Derive the expression for resonance frequency, Quality factor in series 5 resonant circuit. (OR) B An inductive circuit of resistance 2 ohm and inductance of 0.01 H is Ap. IV 10 connected to a 250V, 50 Hz supply. What capacitance placed in parallel will produce resonance? Find the total current taken from the supply and the current in each branch circuits. 21. A Derive an expression to find the relationship between line voltage, Ap. V 10 phase voltage, line current and phase current in a 3 phase balanced 1. Delta connected system 2. Star connected system (OR) B Derive an expression to find three phase power and power factor by Ap. V 10 using two wattmeter method

Note: The question paper setters are requested to follow the Revised Bloom’s Taxonomy level as presented below: Bloom’s Taxonomy Lower Order Thinking Skills (LOTs) Higher Order Thinking Skills (HOTs)

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

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` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING ELECTRICAL CIRCUIT THEORY Model Question Paper – II Year/Sem: II / III Max. Marks : 75 Code no: 15O-3201 Time : 3 Hrs

PART-A (5 X 2 = 10 Marks) Unit Bloom’s Taxonomy

Note : (i)Answer any FIVE Questions out of which question No. 8 is compulsory Level (ii) All questions carry equal marks 1. State Ohm’s law. I R 2. Two 50 ohms resistors are connected in series. When a resistor R is connected across I Ap. one of them, the total circuit resistance is 60 ohms. Calculate the value of R. 3. State Maximum power transfer theorem. II R An alternating current is expressed as i=14.14 sin 314t. Determine rms current, 4. III Ap. frequency and instantaneous current when t =0.02ms. 5. Define 1. Effective value 2. Average value III R 6. Define dynamic resistance. Write the formula for quality factor in series IV R resonance circuit. 7. A series circuit with R = 5 ohms L=20mH and a variable capacitor C has an applied voltage with frequency of 1000 Hz. Find the value of C for series V Ap. resonance. 8. Compare series and parallel resonance IV R PART-B (5 X 3 = 15 Marks) Unit Bloom’s Taxonomy

Note : (i)Answer any FIVE Questions out of which question No. 16 is compulsory Level (ii) All questions carry equal marks

9. On What factors resistance of a conductor depend upon. I U 10. When two resistors are connected in series the total equivalent is 90 ohms and I Ap. when in parallel, the equivalent is 20 ohms. What is the value of each. 11. Find the resistance between A and B

II Ap.

12. Prove that the power in pure L circuit is zero. III U 13. Draw the Impedance triangle for RC Series circuit and RLC series circuit. III U

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` 14. A Pure resistor, a pure capacitor and a pure inductor are connected in parallel across a 50Hz supply; find the impedance of the circuit as seen by the supply. Also find the III U resonant frequency. 15. What is the power factor of the load, 1. If both the wattmeter’s readings are equal and opposite 2. If both the wattmeter’s readings are same and 3. If one IV Ap. wattmeter reads zero and another wattmeter reads total power. 16. A balanced three phase star connected load with impedance 8+j6 ohm per phase is connected across a symmetrical 400V three phase 50Hz supply. Determine the line V Ap. current, power factor of the load and total power.

PART-C (5 x 10 = 50 Marks) Note : (i) Answer allthe questions choosing either sub-division (A) or sub-division (B) Unit Bloom’s Max. of each question. Taxonomy Marks Level (ii)All questions carry equal marks 17. A. Two batteries A and B with electro motive force of 54V and 60V and internal resistance of 2 ohm and 1 ohm respectively are joined in parallel and connected across a circuit comprising of battery C in series with a 20 ohm I Ap. 10 resistor, the negative terminal of C being connected to the negative terminal of A and B. Battery C has an emf of 10V and a negligible internal resistance. Determine the magnitude and direction of current in each battery. (OR) B. A circuit consists of three resistors of 3Ω, 4Ω and 6Ω in parallel and a fourth resistor of 4Ω in series. A battery of emf 12V is connected across the circuit. Find a) Draw the diagram of the arrangement I Ap. 10 b) Find the total resistance of the circuit. c) What is the total current and d) Find the potential difference across the parallel combination. 18. A. Find the current in each resistor using superposition principle of figure.

II Ap. 10

(OR) B. Find the value of RL so that maximum power is delivered to the load resistance shown in figure.

II Ap. 10

19. A. A current of 5A flows through a non-inductive resistance in series with a choking coil when supplied at 250V, 50 Hz. If the voltage across the resistance is 125V and across the coil 200V. Calculate a. the impedance, Ap. 10 reactance and resistance of coil b. the power absorbed by the coil and III c. the total power. Draw the vector diagram. Take the power angle of the circuit is 52.4° lag. (OR)

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` B. Two impedance Z1=3+j4 and Z2=4+j3 are connected in parallel across a voltage of 50V, 50 Hz supply. Find the current through the impedances, III Ap. 10 total current , power factor and also the power factor of the circuit. 20. A. A series circuit contains a resistance of 4 ohms, inductance of 0.5H and a variable capacitor across 100v, 50Hz supply. Find (i) the capacitance for 10 Ap. resonance, (ii) the potential difference across inductance and capacitance (iii) IV Q factor. (OR) B. A series RLC circuit has R=20 ohm, L=0.005H and C = 0.2 x 10 -6 F. It is fed from a 100V variable frequency source. Find i) frequency at which current is IV Ap. 10 maximum ii) impedance at this frequency and iii) voltage across inductance at this frequency. 21. A. A balanced star connected load of 4+j3 ohm per phase is connected to a 400V, 3 phase, 50Hz supply. Find the line current, power factor, power, Ap. 10 reactive volt ampere and total volt ampere. V (OR) B. Derive an expression to find three phase power and power factor by V U 10 using two wattmeter method

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

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THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : III Course Code : 15O - 3202 Course Name : ELECTRICAL MACHINES – I

TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks

Examination Instructions Max. Marks Course Duration Periods / Periods/ Continuous Semester End Total week Semester Assessment Examinations Electrical 5 75 25 75 100 3 Hours Machines –I

TOPICS AND ALLOCATION OF PERIODS

Unit No Topic No of Periods I DC GENERATORS 12 II DC MOTORS 13 III SINGLE PHASE TRANSFORMERS 12 IV THREE PHASE TRANSFORMERS 13 V STORAGE BATTERIES 12 INDUSTRIAL VISIT 04 CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 09 Total 75

COURSE OUTCOMES 15O – 3202 Electrical Machines-I On successful completion of this course, students should be able to Identify major parts of DC machine and categorize DC generators with their C302.1 : applications Choose a suitable starter for the given DC motor and analyze various methods C302.2 : of speed control Acquire knowledge on the importance of vector diagram of transformer and C302.3 : concept of equivalent circuit Categorize different three phase transformer connections and gain knowledge C302.4 : on function of transformer accessories.

Diploma in Electrical and Electronics Engineering PAGE 20

` Elaborate chemical actions taking place in Lead Acid, Nickel Iron and Nickel C302.5 : Cadmium batteries

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C302.1 2 3 3 2 2 2 1 2 2 3 3 2 C302.2 2 3 3 2 2 2 1 2 2 3 3 2 C302.3 2 3 3 2 2 2 1 2 2 3 3 2 C302.4 2 3 3 2 2 2 1 2 2 3 3 2 C302.5 2 3 2 2 2 2 1 2 2 3 3 2 Total 10 15 14 10 10 10 5 10 10 15 15 10 Correlation 2 3 2.8 2 2 2 1 2 2 3 3 2 Level

DETAILED SYLLABUS UNIT 1 DC GENERATORS ...... 12 PERIODS 1.1 Construction and Working Principle: 7 Per Review of electromagnetic induction – Faraday’s laws –Fleming’s right hand rule – Principle of operation of D.C. generator –Construction of D.C. generator – Field system– Types of armature windings – Principles of lap and wave windings – EMF equation –Types of D.C. generators – Building up of voltage of D.C. Shunt generator- Noload characteristics of Shunt generator –Determination of critical field resistance – Causes of failure to build-up voltage and remedy Refer the weblink : http://youtu.be/6dF3LDzb-tE for DC generators 1.2 Load characteristics and Application: 5 Per Load characteristics of series and shunt generators – load characteristics of cumulatively and differentially compound generators – Applications – Problems in above topics –armature reaction – methods of compensating armature reaction – process of commutation – sparking in commutators – methods of improving commutation. Refer the weblink:https://www.youtube.com/watch?v=246Wnzs5w28 for characteristics of DC generators, https://www.youtube.com/watch?v=pKcd-w67KbIfor applications for DC generators UNIT 2 DCMOTORS ...... 13 PERIODS 2.1 Principle of operation of D.C. Motor – Fleming’s left hand rule – Construction – Back emf – Torque equation – Types of motors –Torque-current,Speed-current, Speed- Torque characteristics of different motors– Speed control of DC motors– Field control and armature control– necessity of Starters– 3 Point and 4 Point starters –losses in D.C. Machines – Testing of D.C.machines – Predetermination of efficiency of motor and generator by Swinburne’s test – Problems in the above topics – Applications of D.C. motors.

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` UNIT 3 SINGLE PHASE TRANSFORMERS ...... 12 PERIODS Construction and Working Principle : 6 Per 3.1 Principle of operation – Constructional details of core and shell type Transformers – coil assembly – EMF Equation – Voltage ratio –Transformer on No load – Transformer on load – Current ratio – Phasor diagram on no load and on load at different power factors.

(Refer the weblink : https://www.youtube.com/watch?v=eE8XXiMbq6Ufor construction of single phase transformers, https://www.youtube.com/watch?v=BM3ou7OeiXwfor principle operation of single phase transformers) 3.2 Circuit constants and Efficiency: O.C. test, S.C. test –Determination of equivalent circuit constants– Determination of 6 Per voltage regulation and efficiency – Condition for maximum efficiency– All day efficiency – Problems on the above topics - polarity test–Parallel operation of single phase transformers– Auto transformer –principle – saving of copper – applications. Refer the weblink : https://www.youtube.com/watch?v=9TTxUY0vNb8 for open and short circuit of transformers, https://www.youtube.com/watch?v=wK5JZyzkymg for equivalent circuit and efficiency of single phase transformers UNIT 4 THREE PHASE TRANSFORMER ...... 13 PERIODS 4.1 Three phase Transformer construction – Types of connections –Star-star, Star-Delta, Delta-Star, Delta-delta connections – Scott connection– V connection of transformer – Parallel operation of three phase transformers –grouping of transformers– Conditions – Phasing out test – Pairing of transformers - Load sharing of transformers with equal and unequal ratings –Cooling of transformers – Various cooling arrangements – Transformer accessories – conservator – breather –explosion vent – Bucholz relay–ON load and OFF load tap changer –Transformer oil tester – Acidity test – BDV Test- Earthing – Measurement of earth resistance. (Refer the weblink : http://www.youtube/fAFPHbXBjmcfor three phase transformerhttps://www.youtube.com/watch?v=mKbyFpoNZ_w for connections of three phase transformer, https://www.youtube.com/watch?v=9jYo8WtqtvU for cooling of transformers) UNIT 5 STORAGE BATTERIES ...... 12 PERIODS 5.1 Classification of cells –construction – chemical action and physical changes during charging , discharging– internal resistance and specific gravity of lead acid, nickel iron and nickel cadmium cells – indications of fully charged and discharged battery – defects and their remedies –capacity – methods of charging – maintenance – applications. Refer the weblink :http://www.youtube/Wm4pSFuC9mkfor lead aid battery and nickel cadmium battery, https://www.youtube.com/watch?v=HhxtfULIO7c for working of lead acid battery, https://www.youtube.com/watch?v=7CnUYslnPYM&spfreload=10 for nickel iron battery

Diploma in Electrical and Electronics Engineering PAGE 22

` TEXT BOOKS YEAR OF PUBLISHING / S.NO TITLE AUTHOR PUBLISHER EDITION Electrical S.Chand & Co. 1. Technology - B.L. Theraja 2014, Reprint New Delhi Volume II Addision – Wesley Electrical 2. EdwardHughes International Student 1995, Tenth Edition Technology Edition

REFERENCES YEAR OF PUBLISHING / S.NO TITLE AUTHOR PUBLISHER EDITION 1. Elements Of Electrical Maria Louis Prentice - Hall Of India 2014, Fifth Edition Engineering PvtLtd., New delhi 2. Electrical Machines Nagarath Tata McGraw Hill Education Private Ltd., 2011,Third Reprint New delhi 3. Electrical Machines Bhattacharya Tata McGraw Hill 2003,Second Edition Education Private Ltd., Eighth Reprint New delhi

LIST OF PROPOSED STUDENT ACTIVITIES

I. INDUSTRIAL VISITS To impart industrial visit to any one of the following industries to understand real time applications: 1. Dalmia Magnesite Corporation,Karuppur,Salem – 636 012 2. Steel Authority India Limited, Salem Steel Plant, Salem- 636013. 3. Festo Elgi Company Private Limited, Coimbatore Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned.

III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES: 1. Electrical Pro 2. www.britannica.com 3. www.feynmanlectures.caltech.edu 4. www.electrical4u.com 5. www.ncert.nic.in 6. www.electricaleasy.com

Diploma in Electrical and Electronics Engineering PAGE 23

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL & ELECTRONICS ENGINEERING ELECTRICAL MACHINES-I Model Question Paper – I Year/Sem: II / III Max. Marks : 75 Code no: 15O-3202 Time : 3 Hrs

PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. Write the expression for emf equation of a DC generator I R 2. Name the two protective devices used in three point starter. II U 3. Define all day efficiency of a transformer. III R

4. Mention any two advantages of auto transformer. III U 5. Mention the purpose of buckholz relay. IV R 6. State the methods of cooling of transformer. IV R 7. What is primary cell? V U 8. What do you mean by armature reaction? I R

PART-B (5 X 3 = 15 marks)

Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. Derive the condition to get maximum efficiency in a DC generator. I R

10. Mention the losses occur in DC motor. II U

11. Draw the no-load vector diagram of single phase transformer. III R 12. Mention the conditions to be satisfied for parallel operation of III U transformers. 13. Draw a neat diagram of off-load tap change. IV R

14. State the application of Lead acid battery. V Ap 15. Compare Lead acid cell and Nickel iron cell. V U

16. Explain why a DC series motor should not be started without load. II U

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` PART-C (5 x 10 = 50 marks) Unit Bloom’s Marks Note: (i) Answer allthe questions choosing either sub-division (A) Level Awarded or sub-division (B) of each question. (ii) All questions carry equal marks. 17. A. Explain armature reaction in D.C generator with neat sketches. I U& 10 R OR B. A 6 pole lap wound DC shunt generator has the following I 10 particulars:- R& Flux per pole: 0.05 Weber, Number of turns: 200, Armature Ap resistance: 0.5 ohm, Armature current: 40amps. Calculate the terminal voltage when running at 1000RPM. 18. A. With neat sketch, explain the principle of operation of DC II U& 10 motor. R OR B. Explain how speed control of D.C Shunt motors can be achieved II U& 10 by armature control method and field control method Ap 19. A. Draw and explain the phasor diagram of single phase III U 10 transformer delivering power to an inductive load. OR

B. Derive the emf equation of single phase transformer. III R 10 20. A. With a neat sketch, explain the operation of transformer oil IV U 10 tester. OR B. With a neat diagram explain the working of ON load tap IV U 10 changer. 21 A. With a neat sketch, explain the construction details of Lead- V R 10 acid cell. OR B. i)Explain trickle charging. V R& 10 ii)Explain the chemical reaction of Ni-Cd cell. U

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 25

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL & ELECTRONICS ENGINEERING ELECTRICAL MACHINES-I Model Question Paper II Year/Sem: II / III Max. Marks : 75 Code no: 15O-3202 Time : 3 Hrs PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. What do you mean by armature reaction in a DC generator? I U 2. Write the expression for torque in DC motor. II R 3. Define voltage ratio of a transformer. III R 4. Write the condition to get maximum efficiency in a transformer. III U 5. Mention the uses of breather. IV Ap 6. Define earthing. IV U 7. State any two applications of alkaline battery. V Ap 8. Mention any two differences between lap winding and wave winding. I U PART-B (5 X 3 = 15 marks)

Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonom (ii) All questions carry equal marks y Level

9. Draw a neat schematic diagram of D.C Long shunt generator and write I U it’s equation for generated emf. 10. State any three applications of D.C series motor. II Ap 11. State the conditions for self-excitation of D.C generator. I U 12. A 500 KVA transformer has core loss of 2kW and maximum efficiency III Ap at 0.8 pf occurs, when the load is 320KW, Calculate maximum efficiency at unity p.f. 13. Draw the different three phase transformer connections. IV U 14. Mention the indications of a fully charged cell. V R 15. Define Ah and Wh efficiency. V U 16. State why transformers are rated in KVA ? III U

Diploma in Electrical and Electronics Engineering PAGE 26

` PART-C (5 x 10 = 50 marks) Unit Bloom’s Marks Note: (i) Answer allthe questions choosing either sub-division (A) Level Awarded or sub-division (B) of each question. (ii) All questions carry equal marks. 17. A. Explain with necessary sketches the function of various parts of I R 10 D.C generator. OR B. Derive the emf equation of a D.C generator. I U&R 10 18. A. Explain with neat sketches, the construction and working II U 10 principle of three point starters. OR B. A 200kV shunt motor is taking a current of 30A. The armature II Ap 10 and field resistances are 0.2ohm and 100ohm respectively. Iron and friction losses amount to 500W. Find the efficiency of the motor. 19. A. Explain the step by step procedure to get approximate III U 10 equivalent circuit of a single phase transformer. OR

B. With a neat sketch, explain the construction and working III R 10 principle of a single phase transformer.

20. A. Explain with a neat diagram, the working principle of OFF-load IV U 10 tap changer used in distribution transformer. OR B. Explain the operation of bucholz relay and explosion vent with IV U 10 neat sketches. 21 A. With neat sketches, explain the different methods of charging V R 10 the batteries. OR B. i)Compare primary cell and secondary cell. V U 10 ii) Explain the chemical reactions taking placed in a of Ni-Fe cell.

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 27

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : III Course Code : 15O - 3203 Course Name : ELECTRONIC DEVICES AND CIRCUITS

TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods / Periods/ Continuous Semester End Total week Semester Assessment Examinations Electronic Devices and 5 75 25 75 100 3 Hours Circuits

TOPICS AND ALLOCATION OF PERIODS

Unit No Topic No of Periods

I SEMICONDUCTOR AND DIODES 13 II BIPOLAR JUNCTION TRANSISTOR 12 III TRANSISTOR OSCILLATORS , FET AND UJT 13 IV SCR,DIAC,TRIAC,MOSFET AND IGBT 12 V OPTO ELECTRONIC DEVICES AND WAVE SHAPING CIRCUITS 12 INDUSTRIAL VISITS 4 CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 9 TOTAL 75

COURSE OUTCOMES

15O – 3203Electronic Devices and Circuits On successful completion of this course, students should be able to Summarise the working of PN junction and zener diode and compare the C303.1 : types of rectifiers Outline the performance of Transistors in CB,CE and CC configurations and C303.2 : RC coupled Amplifier. C303.3 : Explain the construction and working of Oscillators,FET and UJT C303.4 : Illustrate the working and characteristics of SCR,DIAC,TRIAC and MOSFET C303.5 : Explain the construction and working principle of optoelectronic devices and

Diploma in Electrical and Electronics Engineering PAGE 28

` waveshaping circuits

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C303.1 2 3 2 2 1 - - 2 2 2 3 2 C303.2 2 3 2 2 1 - - 2 2 2 3 2 C303.3 2 3 2 2 1 - - 2 2 - 3 2 C303.4 - 3 2 2 1 - - 2 2 - 3 2 C303.5 - 3 2 2 1 - - 2 2 - 3 2 Total 6 15 10 10 5 - - 10 10 4 15 10 Correlation 2 3 2 2 1 - - 2 2 2 3 2 Level

DETAILED SYLLABUS UNIT 1 SEMICONDUCTOR AND DIODES …….13PERIODS

1.1 Semiconductor: 3 Per Definition – classification of semiconductor – Intrinsic – Extrinsic semiconductor – N

type & P type – Drift current & Diffusion current

Refer theweblink:https://www.youtube.com/watch?v=o-PPbmMm0eA for intrinsic and extrinsic semiconductor

1.2 Diodes: PN junction diode-Forward and Reverse bias characteristics- Specification-Zener diode- 5Per Construction & working principle- Characteristics-Zener break down-Avalanche break down- Zener diode as a voltage regulator - Applications-Specifications

Refer theweblink:https://www.youtube.com/results?search_query=semicondutor+diodefor PN junction diode.

1.3 Rectifier: Introduction-Classification of Rectifiers-Half wave rectifier- Fullwave rectifier- Bridge 5 Per rectifier – Efficiency – Ripple factor – comparison - Applications – Filters – C, LC, and PI Filters.

Refer theweblink:https://www.youtube.com/results?search_query=rectifier for Rectifiers

UNIT 2 BIPOLAR JUNCTION TRANSISTOR ……12PERIODS 2.1 Transistor: 2 Per NPN and PNP transistor – operation- Transistor as an amplifier – Transistor as a switch. Refer theweblink:https://www.youtube.com/watch?v=EDju2GTOFDM forNPN Transistors

Diploma in Electrical and Electronics Engineering PAGE 29

` 2.2 Transistor biasing: 2 Per Fixed bias, Collector to base bias, Self bias. Refer theweblink:https://www.youtube.com/watch?v=vm-YryJUOLI for Transistor biasing 2.3 Configurations: 4 Per CB, CE, CC Configurations – Characteristics – Comparison between three configurations in terms of input impedance, Output impedance, Current gain, Voltage gain – Relationship between α and β-simple problems with α and β Refer the weblink:https://www.youtube.com/watch?v=zXh5gMc6kyU for CE configuration. 2.4 RC coupled amplifier: 2 Per Circuit Diagram,Construction, Working and Frequency Response- Emitter follower-Circuit Diagram and Working-applications. Refer the weblink:https://www.youtube.com/watch?v=cR2LagWgZ-4 for RC coupled amplifier. 2.5 Negativefeedback: 2 Per Feedback - Definition of Positive and Negative feedback - Advantages of negative feedback - Basic concept, effect of negative feedback, Types of Negative feedback connections. Refer the weblink:https://www.youtube.com/watch?v=lcO1yOONSIQ for negative feedback UNIT 3 TRANSISTOR OSCILLATORS,FET AND UJT ……13PERIODS 3.1 Transistor Oscillators: 4 Per Classifications – Condition for oscillations (Barkhausen criterion) – General form of LC oscillator – Hartley Oscillator – Colpitts Oscillator – RC Phase shift oscillator, Crystal oscillator. Refer the weblink:https://www.youtube.com/results?search_query=HARTELY+OSCILLATORfor Hartely Oscillator 3.2 Field Effect Transistor: 5 Per Construction – Working principle of FET – Difference between FET and BJT – Characteristics of FET – Applications – FET amplifier(Common source amplifier). Refer the weblink:https://www.youtube.com/results?search_query=FET forFET 3.3 UJT: 4 Per Construction – Equivalent circuit – Operation – Characteristics– UJT as a relaxation oscillator. Refer the weblink:https://www.youtube.com/results?search_query=UJT for UJT UNIT 4 SCR, TRIAC, DIAC, and MOSFET ……12PERIODS

4.1 SCR: 3 Per Introduction – Working – Two transistor analogy of SCR – VI Characteristics – SCR as a

switch, Controlled rectifier.

Refer the weblink:https://www.youtube.com/watch?v=5IvHjEWoNjk for SCR 4.2 DIAC: 3 Per Construction – working – characteristics – DIAC as bidirectional switch. Refer the weblink:https://www.youtube.com/results?search_query=DIACto view the topic DIAC

Diploma in Electrical and Electronics Engineering PAGE 30

` 4.3 TRIAC: 2 Per Basic working principle – Characteristics – Speed control of fan using DIAC and TRIAC Refer the weblink: https://www.youtube.com/results?search_query=triacfor TRIAC 4.4 MOSFET: Construction – characteristics –N channel MOSFET and P channel MOSFET-Working & 4 Per Characteristics of Enhancement and Depletion mode MOSFET- MOSFET as a switch

Refer the weblink:https://www.youtube.com/watch?v=8Np0qawbbCI for MOSFET UNIT 5 OPTO ELECTRONICS DEVICES AND WAVESHAPING CIRCUITS ……12PERIODS

Opto Electronic Devices: 5.1 6 Per Classification of opto electronic devices-symbols-working of LDR, LED, 7 Segment LED, LCD,

Opto coupler- Opto interrupter – Solar cell – Photo transistor.

Refer the weblink:https://www.youtube.com/watch?v=9M0zyMpOcpo for 7 Segment LED 5.2 Waveshaping circuits: 6 Per Diode clipper – Types – Clamper circuits using Diode – Voltage doubler, Astable, Monostable and Bistable operations using Transistor – Schmitt Trigger. Refer the weblink: https://www.youtube.com/watch?v=DqOY0UPS – for clippers https://www.youtube.com/watch?v=4lFj6h-U6WI for Multivibrators

TEXT BOOKS

S.NO. TITLE AUTHOR PUBLISHER YEAR OF PUBLISHING / EDITION S. Chand & Company Principle of 1 V.K.Mehta Ltd.,New Delhi 2008, Eleventh Edition Electronics

S.Sallaivahanan TataMcGraw Electronics Devices & 2 N.Suresh Kumar Publication,New Delhi 2003, Second Edition Circuits A.Vallavaraj

REFERENCES S.NO. TITLE AUTHOR PUBLISHER YEAR OF PUBLISHING / EDITION Tata- McGraw-Hill 2002, Seventh 1 Electronic principles Malvino Publishing Company Ltd, Edition New Delhi. Prentice Hall of India ElectronicDevices & 2 Allen Mottershed Publishing Company Ltd, 2009,second Edition Circuits New Delhi Jacob Millman Tata- McGraw-Hill Electronic Devices & 3 and Publishing Company Ltd, 2010, third Edition Circuits Halkies New Delhi,

Diploma in Electrical and Electronics Engineering PAGE 31

` Tata- McGraw-Hill Optical Fiber 4 Gerd Keiser Publishing Company Ltd, 2009, fourth Edition Communication New Delhi,

LIST OF PROPOSED STUDENT ACTIVITIES I. INDUSTRIAL VISITS To impart industrial visit to any one of the following industries to understand real time applications: Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned. 1. Dalmia Magnesite Corporation, Karuppur,Salem – 636 012. 2. Steel Authority India Limited,Salem Steel Plant,Salem- 636 013. 3. Swelect Energy Systems Pvt.Ltd., Monjanoor, Vellakoil , Karur Dist. II. SEMINARS Seminars to be organized on any one of the following topics in association with the IE(I)/ISTE and the Students’ Technical Association of Electrical and Electronics Engineering Programme: 1. Electronic Devices in Industries 2. Application of Electronic Devices 3. Opto Electronic Devices and its applications. III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES:

1.PSPICE,MULTISIM,Orcad,tina 2.www.universalclass.com, 3. www.electronicspost.com 4.www.learnabout-electonics.org

Diploma in Electrical and Electronics Engineering PAGE 32

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING ELECTRONIC DEVICES AND CIRCUITS Model Question Paper I Year/Sem: II / III Max. Marks : 75 Code no: 15O-3203 Time : 3 Hrs PART-A (5 X 2 = 10marks) Note : (i) Answer any FIVE Questions out of which question No. 8 Unit Bloom’s Marks is compulsory Level Awarded (ii) All questions carry equal marks

1. What is doping? I U 2

2. What is the need of filter? I U 2

3. What is Barkhausen criterion III R 2

4. Draw the symbol of UJT and FET III R 2

5. Define Holding Current of SCR IV R 2

6. Draw the input and output waveform for negative clipper V U 2

7. What is optocoupler V U 2

8. Mention any two applications of emitter follower II Ap 2

PART-B (5 X 3 = 15marks) Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s Marks is compulsory Level Awarded (ii) All questions carry equal marks

9. Compare Zener breakdown and Avalanche breakdown I U 3

10. With a neat diagram, explain a Zener diode regulator II U 3

11. Derive the relation between α and β II Ap 3

12. Explain UJT as a relaxation oscillator III Ap 3

13. What are the advantages of TRIAC over SCR? IV U 3

14. Explain DIAC as a bidirectional switch IV Ap 3

15. Compare LED and LCD V An 3

16. How a transistor works as a switch? Explain II U 3

Diploma in Electrical and Electronics Engineering PAGE 33

Explain the working of PN junction diode under forward and 17. A. reverse bias conditions with neat diagram. Also draw the V-I I U 10 characteristics (OR) Discuss the working of full wave rectifier with input and output B. I U 10 waveforms Explain input and output characteristics of a transistor in 18. A. II U 10 Common Emitter Configuration with a neat circuit diagram (OR) Draw the circuit diagram of RC coupled amplifier and explain its B. II U 10 working with frequency response characteristics Explain the construction and working of Hartley Oscillator with 19. A. III U 10 neat diagram (OR)

Discuss the operation and characteristics of Uni Junction B. III U 10 Transistor Explain the construction, working and characteristics of Silicon 20 A. IV U 10 Controlled Rectifier (OR)

Describe the construction, working and characteristics of P- B. IV U 10 channel MOSFET with neat diagram 21 A. i) Explain the operation of Solar Cell V U 5

ii) Describe the working principle of Photo transistor V U 5

(OR)

With a neat diagram explain the working principle of B. V U 10 Bistable Multivibrator

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 34

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING ELECTRONIC DEVICES AND CIRCUITS Model Question Paper II Year/Sem: II / III Max. Marks : 75 Code no: 15O-3203 Time : 3 Hrs PART-A (5 X 2 = 10marks) Note : (i) Answer any FIVE Questions out of which question No. 8 Unit Bloom’s Marks is compulsory Level Awarded (ii) All questions carry equal marks

1. What is doping? I U 2

2. What is the need of filter? I U 2

3. What is Barkhausen criterion III R 2

4. Draw the symbol of UJT and FET III R 2

5. Define Holding Current of SCR IV R 2

6. Draw the input and output waveform for negative clipper V U 2

7. What is optocoupler V U 2

8. Mention any two applications of emitter follower II Ap 2

PART-B (5 X 3 = 15marks) Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s Marks is compulsory Level Awarded (ii) All questions carry equal marks

9. Compare Zener breakdown and Avalanche breakdown I U 3

10. With a neat diagram, explain a Zener diode regulator II U 3

11. Derive the relation between α and β II Ap 3

12. Explain UJT as a relaxation oscillator III Ap 3

13. What are the advantages of TRIAC over SCR? IV U 3

14. Explain DIAC as a bidirectional switch IV Ap 3

15. Compare LED and LCD V An 3

16. How a transistor works as a switch? Explain II U 3

Diploma in Electrical and Electronics Engineering PAGE 35

Discuss the operation and characteristics of Uni Junction B. III U 10 Transistor Explain the construction, working and characteristics of Silicon 20 A. IV U 10 Controlled Rectifier (OR)

Describe the construction, working and characteristics of P- B. IV U 10 channel MOSFET with neat diagram 21 A. i) Explain the operation of Solar Cell V U 5

ii) Describe the working principle of Photo transistor V U 5

(OR)

With a neat diagram explain the working principle of B. V U 10 Bistable Multivibrator

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 36

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : III Course Code : 15O - 3204 Course Name : ELECTRICAL CIRCUITS AND MACHINES PRACTICAL

TEACHING AND SCHEME OF EXAMINATION

No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods Periods / Continuous Semester End Total / week Semester Assessment Examinations Electrical Circuits And Machines 6 90 25 75 100 3 Hours Practical

COURSE OUTCOMES

15O – 3204Electrical Circuits and Machines Practical On successful completion of this course, students should be able to C304.1 : Reduce the given complex circuit to simple circuit by applying theorems and can verify the theoretical and practical outputs C304.2 : Determine the efficiency of DC shunt, series and compound motors.

C304.3 : Perform the speed control methods of DC shunt motor.

C304.4 : Determine the efficiency and regulation of single phase transformer C304.5 : Determine the Dielectric strength and acidity value of transformer oil

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C304.1 3 3 3 2 2 2 2 2 2 3 3 2 C304.2 2 3 3 2 2 2 2 2 2 3 3 2 C304.3 2 3 3 2 2 2 2 2 2 3 3 2 C304.4 2 3 3 2 2 2 2 2 2 3 3 2 C304.5 2 3 3 2 2 2 2 2 2 3 3 2 Total 11 15 15 10 10 10 10 10 10 15 15 10 Correlation 2.2 3 3 2 2 2 2 2 2 3 3 2 Level

Diploma in Electrical and Electronics Engineering PAGE 37

LAB EXERCISES

1. a )Verification of Superposition Theorem with two different DC voltages for a common load.

b) Verification of Thevenin’s Theorem with DC supply.

2. a) Verification of Norton’s Theorem with DC supply.

b) Verification of Maximum Power Transfer Theorem.

3. Measure the power in RLC series circuit. Calculate the power factor and draw the phasor diagram.

4. Construct RLC Circuit for Series Resonance and draw the Frequency versus Impedance curve.

5. No Load and Load characteristics of self-excited DC shunt Generator.

6. Load Characteristics of self-excited DC series Generator.

7. Load Test on DC shunt motor and draw the performance Curves.

8. Load Test on DC series motor and draw the performance curve.

9. Predetermine the efficiency of DC machine by Swinburn’s test.

10. Load Test on DC Compound Motor and draw the performance curve.

11. Speed Control of DC Shunt motor by

a) Armature control method. b) Field control method.

12. Load Test on a Single phase Transformer.

13. Load test on a Three-Phase Transformer.

14. Predetermination of the efficiency and regulation of a Single phase Transformer by conducting OC and SC test.

15. Find the equivalent circuit constants of a Single phase Transformer by conducting OC and SC tests

16. Connect two single phase transformers for parallel operation by conducting Polarity test.

17. a) Perform breakdown test and determine the dielectric strength of transformer oil.

b) Conduct acidity test on transformer oil

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EQUIPMENTS REQUIRED

QUANTITY S.NO LIST OF EQUIPMENTS REQUIRED

1. DC Shunt Motor 3/5 kW (or more) with loading arrangement 2

2. DC Series Motor 3/5 kW (or more) with loading arrangement 1

3. DC Compound Motor 3/5 kW (or more) with loading arrangement 1

4. DC Shunt Generator 3/5 kW (or more) coupled with prime mover 1

5. DC Series Generator 3/5 kW (or more) coupled with prime mover 1

6. 1 phase Transformer 1KVA (or more) 220V/110V 3

7. 3 phase Transformer 1KVA (or more) 440V/220V 1

8. 1 phase Variac 15 amps 3

9. 3 phase Variac 15 amps 1

10. Dual Regulated Power Supply 0-30V/2A 2

11. Single Regulated Power Supply 0-30V / 2A 2

SCHEME OF VALUATION

S.No. NAME OF THE ACTIVITY MARKS ALLOCATED

1. Circuit Diagram 20

2. Connection 25

3. Execution and Handling of Equipments 15

4. Output and Result 10

5. Viva Voce 05

TOTAL 75

Diploma in Electrical and Electronics Engineering PAGE 39

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : III Course Code : 15O -3205 Course Name : ELECTRONIC DEVICES AND CIRCUITS PRACTICAL TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods Periods/ Continuous Semester End Total / week Semester Assessment Examinations Electronic Devices And Circuits 6 90 25 75 100 3 Hours Practical

COURSE OUTCOMES

15O – 3205Electronic Devices and Circuits Practical On successful completion of this course, students should be able to C305.1 : Analyse the charcteristics of Electronic Devices. C305.2 : Perform different characteristics of Transistors and Amplifiers C305.3 : Construct and plot the regulation characteristics of rectifiers. Develop the characteristics of optoelectronic devices and waveshaping C305.4 : circuits C305.5 : Simulate the Electronic and wave shaping circuits .

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C305.1 2 3 3 2 - - - 2 2 2 3 2 C305.2 2 3 3 2 - - - 2 2 2 3 2 C305.3 2 3 3 2 - - - 2 2 2 3 2 C305.4 - 3 3 2 - - - 2 2 2 3 2 C305.5 - 3 3 2 - - - 2 2 2 3 2 Total 6 15 15 10 - - - 10 10 10 15 10 Correlation 2 3 3 2 - - - 2 2 2 3 2

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` Level

LAB EXERCISES

1. Identify and check the working condition of passive & active components and switches. 2. Construct and plot the VI characteristics of PN junction diode and find the cut-in voltage. 3. Construct and plot the VI characteristics of Zener diode and find the break down voltage. 4. Construct and plot the regulation characteristics (by varying either load or line voltage) of Half wave and Full wave rectifier with and without filters 5. Construct and plot the regulation characteristics (by varying either load or line voltage) of Bridge rectifier with and without filters. 6. Construct and draw the Input and output characteristics of CE Transistor configuration and find its Input& output resistance. 7. Construct and draw the frequency response of RC coupled amplifier and determine the 3-db bandwidth. 8. Construct and plot the drain characteristics of JFET and find its pinch off voltage. 9. Construct and plot UJT characteristics and find its peak and valley voltage. 10. Construct and draw SCR characteristics and find its holding and latching current. 11. Construct and plot the Diac and Triac characteristics. 12. Construct a positive and biased diode clipper and draw the output waveforms. 13. Construct diode clampers and draw the output waveforms 14. Construct and draw LDR characteristics. 15. Construct and plot the VI characteristics of photo transistor. 16. Simulate the half wave full wave and bridge rectifier using the simulation tool like PSPICE/Multisim/Orcad/tina 18. Simulate the astable and mono stable multivibrator using the simulation tool like PSPICE/Multisim/orcad/tina

EQUIPMENTS REQUIRED

S.No Name of the equipments Range Required 1 DC Regulated power supply 0-30 V, 2A 15 2 DC Regulated power supply 0-250V, 100 mA 2 3 Signal generator 1MHZ 4 4 Dual trace CRO 20 MHZ/ 30MHZ 5 5 Digital multi meter - 10 6 DC voltmeter (analog/digital) (0-1V),(0-10V) ranges 15 7 DC ammeter (analog/digital) 0-10mA,0-100mA,0- 15

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` 500 Micro A

SCHEME OF VALUATION

S.No. NAME OF THE ACTIVITY MARKS ALLOCATED

1. Circuit Diagram 20 2. Connections 20 3. Readings and Graph 20 4. Result 10 5. Viva Voce 05 TOTAL 75

Diploma in Electrical and Electronics Engineering PAGE 42

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : III Course Code : 15O - 3206 Course Name : ELECTRICAL WORKSHOP PRACTICAL

COURSE OUTCOMES

15O – 3206Electrical Workshop Practical On successful completion of this course, students should be able to C306.1 : Identify and use the tools used in servicing of electrical appliances. C306.2 : Assemble the various parts of domestic appliances. C306.3 : Make the electrical connections for appliances and test its performance. C306.4 : Troubleshoot the given electrical appliances. Wire an electrical circuit for charging a battery and electrify lamps using C306.5 : Non-Conventional Energy Source

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C306.1 2 3 3 3 2 - 2 2 2 2 3 2 C306.2 2 3 3 3 2 - 2 2 2 2 3 2 C306.3 2 3 3 3 2 - 2 2 2 2 3 2 C306.4 2 3 2 3 2 - 2 2 2 2 3 2 C306.5 2 3 3 3 2 - 2 2 2 2 3 2 Total 10 15 14 15 10 - 10 10 10 10 15 10

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` Correlation 2 3 2.8 3 2 - 2 2 2 2 3 2 Level

LAB EXERCISES

1. Familiarization of tools used for electrical repair works and personal protection equipments.

2. Dismantling of Electrical iron box, identifying the parts, checking the conditions, assembling and testing.

3. Dismantling of Mixer Grinder, identifying the parts, checking the conditions, assembling and testing.

4. Dismantling of Wet Grinder, identifying the parts, checking the conditions, assembling and testing.

5. Assembling the accessories of ceiling fan, test the connections of winding & capacitor and run the fan with speed regulator.

6. Connect the battery and inverter to supply partial load in a domestic wiring during mains failure.

7. Assembling and testing of 15 watts LED light.

8. Battery charging through solar panel. Connect solar panel to charge battery through charge controller.

9. Dismantling of induction heater, identifying the parts, checking the conditions, assembling and testing.

10. Dismantling of microwave oven, identifying the parts, checking the conditions, assembling and testing.

EQUIPMENTS REQUIRED

QUANTITY S.No LIST OF EQUIPMENTS REQUIRED Tools: Screw driver, Cutting pliers, Wire Stripper, Hammer, 1. Spanner set, Line Tester, Nose pliers. Each 2 set

Personal Protective Equipments: Safety helmet, Google, 2. Each 2 Set Safety gloves, Nose mask, Ear plug, Safety Belt. 3. Automatic Iron Box 2

4. Wet Grinder 2

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` 5. Mixer Grinder 2

6. Ceiling Fan 2

7. LED Light, PCB, Driver Circuit and Outer Cover 10

8. Lead Acid Battery 2

9. Inverter 2

10. Solar Photo Voltaic Module 2

11. Charge controller 2

12. Microwave oven 1

13. Multimeter 8

14. Induction Heater 1

SCHEME OF VALUATION

S.No. NAME OF THE ACTIVITY MARKS ALLOCATED

1. Connection Diagram 10

2. Tools Required 10

3. Dismantling and Assembling Procedure 30

4. Testing 20

5. Viva Voce 05

TOTAL 75

Diploma in Electrical and Electronics Engineering PAGE 45

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM Programme : ALL BRANCHES OF DIPLOMA IN ENGINEERING Semester : III Course Code : 15O - 3207 Course Name : LIFE AND EMPLOYABILITY SKILLS PRACTICAL

TEACHING AND SCHEME OF EXAMINATION

No. of Weeks per Semester: 15 Weeks

Examination Instructions Max. Marks Course Duration Periods Periods/ Continuous Semester End Total / week Semester Assessment Examinations LIFE AND EMPLOYABILITY 4 60 25 75 100 3 Hours SKILLSPRACTICAL

TOPICS AND ALLOCATION OF PERIODS: Part Topic No of Periods

A COMMUNICATION 40 ENTREPRENEURSHIP, PROJECT PREPARATION, PRODUCTIVITY, B OCCUPATIONAL SAFETY, HEALTH, HAZARD, QUALITY TOOLS &LABOUR 15 WELFARE

C ENVIRONMENT, GLOBAL WARMING, POLLUTION 05

TOTAL 60

COURSE OUTCOMES 15O –3207LIFE AND EMPLOYABILITY SKILLS PRACTICAL On successful completion of this course, students should be able to Listen to audios on environment and answer the questions, make instant sentences and C307.1 : expressions Introduce themselves and others, describe pictures, solve real time problems, narrate C307.2 : a story, frame questions and sentences based on the given patterns and speak dialogues Write an effective resume, build team spirit through Group discussions and prepare an C307.3 : outline of a project Analyze the resources available and make presentations on Entrepreneurship, C307.4 : Marketing Analysis, Productivity, Quality tools, Occupational safety, Labour welfare legislation and Gender Sensitization Demonstrate the skills required to fetch employment, protect the environment and C307.5 : demonstrate professional ethics to become a responsible engineer

Diploma in Electrical and Electronics Engineering PAGE 46

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C307.1 - - - - - 3 - 3 3 3 2 3 C307.2 - - - - - 1 - 3 3 3 2 3 C307.3 - - - - - 1 - 3 3 3 2 3 C307.4 - 1 - - 3 - 3 3 3 3 3 3 C307.5 - - - - 3 3 3 3 3 3 3 3 Total - 1 - - 6 8 6 15 15 15 12 15 Correlation - 1 - - 3 2 3 3 3 3 2.4 3 Level

DETAILED SYLLABUS Part Topics Activity Periods A Communication, Listening,  Listening 20 Per Training, Facing Interviews,  Instant sentence making and Saying expressions/ Behavioural Skills phrases  Self- introduction/ introducing others  Describe/explain product/object  Problem solving skills / story telling  Frame questions based on patterns &Make 20 Per sentences based on patterns, Dialogue  Prepare resume & Mock interviews  Group Discussion  Prepare an outline of a project B Entrepreneurship, Project  Attend a seminar on Entrepreneurship awareness 05 Per Preparation, Marketing Analysis, programme through EDC on the following topics: Support & Procurement  Story of successful entrepreneurs  Analyse the marketing strategies  Preparation of project  Schemes available to become an entrepreneur  Make a presentation / write an assignment on any one of the above topics. Productivity – comparison with  Attend an awareness programme /video 05 Per developed countries, Quality presentation on the following topics: Tools, Circles, Consciousness,  Productivity and comparison with Management, House Keeping developed countries  Total Quality Management  House keeping

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`  Make a presentation / write an assignment on any one of the above topics. Occupational Safety, Health  Attend an awareness programme /video 05 Per Hazard, Accident & Safety, First- presentation on the following topics: Aid, Labour Welfare Legislation, Welfare Acts, Gender  Occupational Safety &Health Hazards Sensitization  Accident & Safety / First aid (a. Important constitutional and  Labour Welfare Legislation and Welfare legal provisions for women in Acts India b. Harassment of women at  Make a presentation / write an assignment on workplace (Prevention & any one of the above topics. Prohibition & Redressal) Act 2013

c. Guidelines & Norms laid down by Hon’ble Supreme Court in Vishaka and others d. National Commission for Protection of Child Rights (NCPCR) e. Protection of Children from sexual offences (POCSO) Act & Rule 6 of POCSO Rules, 2012. C Environment, Global Warming,  Listen video presentations to develop listening 05 Per Pollution skills  Make a presentation on Green environment in our campus  Prepare an assignment on the causes of global warming and pollution and the ways to reduce  Enact a small skit with the team highlighting the environmental issues

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LEARNING STRUCTURE 100 Marks Focus more on Speaking & Listening Skills Attention less on Reading & Writing Skills Apply the skills in fulfilling the Objectives on Focused Topics a) Listening 25 Marks 1. Deductive Reasoning Skills (taking down notes/hints) 10

2. Cognitive Skills (answering questions) 10

3. Retention Skills (filling in blanks with exact words heard) 05 b) Speaking Extempore/ Prepared 30 Marks 1. Personality/Psychological Skills (instant sentence making/ Problem solving) 05

2. Pleasing & Amiable Skills (say in phrases/expressions) 05

3. Assertive Skills (introducing oneself/ others) 05

4. Expressive Skills (describe/explain things / story telling) 05

5. Fluency/Compatibility Skills (dialogue) 05

6. Leadership/Team Spirit Skills (group discussion) 05 c) Writing & Reading 20 Marks 1. Creative & Reasoning Skills (frame questions on patterns) 05

2. Creative & Composing Skills (make sentences on patterns ) 05

3. Attitude & Aim Skills (prepare resume) 05

4. Entrepreneurship Skills (prepare outline of a project) 05 d) Continuous Assessment (Internal Marks) 25 Marks Communication related activities recorded in record note 1. 10 Presentation / Assignments on the focussed topics must be recorded in record note book 2. 5 Model exam 3. 5 Attendance 4. 5 INTERNAL MARKS (CONTINUOUS ASSESSMENT) 25 Marks EXTERNAL MARKS AT THE END EXAMINATION 75 Marks

Diploma in Electrical and Electronics Engineering PAGE 49

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM (Autonomous Institution) LIFE AND EMPLOYABILITY SKILLS PRACTICAL Model Question Paper Year : II Max. Marks: 75 Sem : III Time : 3 Hrs PART A LISTENING (25 MARKS) 1. Listen to passage related to environmental issue take down notes/hints. 10 2. Listen to the passage and answer the following questions. 10 3. Listen to the content and fill in the blanks. 05 PART B SPEAKING (30 MARKS) 1. Make five instant sentences that you use when you go to a market / shopping Mall 05 2. Present five expressions that you commonly use when you see your teacher at a 05 Shopping Mall. 3. Present your Self Introduction 05 4. Describe any newly launched product of your engineering (or) Narrate a story in 05 your own words 5. Present a dialogue with your partner about your planned activities regarding your 05 new business that you are about to establish. 6. Form a group of six members and discuss on “Effects of Global Warming”. Focus on 05 team spirit and perform the Group Discussion with an appropriate summary. PART B WRITING & READING (20 MARKS) 1. Frame two new questions from the pattern given by changing sets of words with 05 your own.

a. When do You return? b. How is his performance? c. Where has the manager gone? d. What is the progress today? e. Why are the machines not functioning? 2. Make two new sentences from the pattern given by changing sets of words with 05 your own. a. The workers are on strike b. The labourers were in the working industry

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` c. There is a rest room for the workers d. These are the new Launched by our products company e. Almost have own vehicles everyone

3. Prepare a resume for the post of site supervisor in a Manufacturing Company. 05

4. Prepare an outline of a project to obtain a loan. (Provide headings and 05 subheadings).

I. GUIDELINES FOR SETTING THE QUESTION PAPER A. LISTENING Only topics related to POLLUTION / ENVIRONMENT / GLOBAL WARMING ARE TO BE TAKEN. These topics are common for all the three types of evaluation.

B. SPEAKING 1. WORDS of common usage 2. Fragments – expression of politeness, courtesy, cordiality, congratulations 3. Introduce yourself as an engineer with designation (or) Introduce the official visiting your company/department 4. Describe/Explain the product/machine/department (or) Narrate a story or solution to the given problem 5. Dialogue must be with someone in the place of work. 6. Group of six/eight Discuss the focused topic prescribed in syllabus

C. WRITING & READING 1. Provide five different structures. Students are to substitute at least two with some other word/words 2. Provide five different structures. Students are to substitute at least two with some other word/words 3. Prepare resume for some posts related to industries. 4. Outline of the project (skeleton/structure) Only the various headings and subheadings Content is not needed II. GUIDELINES FOR RECORDING THE MATERIAL ON THE FOCUSED TOPICS IN THE RECORD NOTE.

Prepare Assignments / PowerPoint Presentations on any five topics, from the list of topics given below: 5 Marks The Assignments and the print outs of the PowerPoint presentations must be recorded in the record note book.

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` (5 topics x 15 marks = 75 marks. The Average can be made to 5 marks) 1. Productivity in Industries – Comparison with developed countries 2. Quality Tools, Quality Circles and Quality Consciousness 3. Effective Management 4. House Keeping in Industries 5. Occupational Safety and Hazard 6. Occupational Accident and First Aid 7. Labour Welfare Legislations 8. Labour Welfare Acts and Rights 9. Entrepreneurship 10. Marketing Analysis, Support and Procurement 11. Important Constitutional and Legal Provisions for Women in India. 12. The Harassment of Women at Workplace (Prevention and Prohibition and Redressal) Act, 2013 13. Guidelines and Norms laid down by the Hon’ble Supreme Court in Vishaka and Others 14. The National Commission for Protection of Child Rights(NCPCR) 15. The Protection of Children from Sexual Offences (POCSO) Act and Rule of POCSO Rules, 2012 16. Environment 17. Global Warming 18. Pollution 19. Green Assignment 20. List of Successful Entrepreneurs in their domain / region. LABORATORY REQUIREMENT 1. An echo-free room 2. Necessary furniture and comfortable chairs 3. A minimum of two Computers with internet access 4. A minimum of two different English dailies 5. A minimum of Three Mikes with and without cords 6. Colour Television (minimum size – 29”) 7. DVD/VCD Player with Home Theatre speakers 8. Smart board 9. Projector

Diploma in Electrical and Electronics Engineering PAGE 52

SUGGESTED READING

S.No Title Author Publisher 1. Production and Operations SN Chary TMH Management 2. Essentials of Management Koontz &Weihrich TMH 3. Modern Production/ Operations E.S. Buffa and R.K. John Wiley & Sons Management Sarin 4. Production Systems: Planning, Analysis J.L. Riggs 3rd.,ed., Wiley and control 5. Productions and Operations A.Muhlemann, J. Macmillan Management Oakland and K.Lockyer 6. Operations Research – An Introduction H.A. Taha Prentice Hall of India 7. Operations Research J.K. Sharma Macmillan 8. Business Correspondence & Report R.C. Sharma and TMH writing K.Mohan 9. How to prepare for Group Discussion & Prasad TMH Interview(with Audio Cassette) 10. Spoken English – A self-learning guide to V. Sasikumar, Tata McGraw-Hill conversation practice(with Cassette) P.V.Dhamija Publishing Company Ltd 11. Introduction to Environmental Mackenzie, L.Davis McgrawHill, 3rd Ed Engineering and A. DavidCornwell 12. Environmental Engineering Peary, Rowe and McgrawHill Tchobanoglous 13. Total Quality Management– An Paul James Prentice Hall Introductory Text 14. Quality Control and Applications Housen & Ghose 15. Industrial Engineering Management O.P. Khanna DhanpatRai publications SUGGESTED WEB RESOURCES 1. www.thesmi.com 2. www.oecd.org/std/productivity 3. https://en.wikipedia.org/wiki/Indian_labour_law 4. https://ohsonline.com/ 5. https://en.wikipedia.org/wiki/Total_quality_management 6. www.msmeonline.tn.gov.in

Diploma in Electrical and Electronics Engineering PAGE 53

SEMESTER IV

Diploma in Electrical and Electronics Engineering PAGE 54

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : IV Course Code : 15O-3301 Course Name : ELECTRICAL MACHINES - II

TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Instructions Examination Course Periods / Periods / Continuous Semester End Duration Total week Semester Assessment Examinations

ELECTRICAL 5 75 25 75 100 3 Hours MACHINES – II

TOPICS AND ALLOCATION OF PERIODS

Unit No Topic No of Periods

I ALTERNATOR PRINCIPLES AND CONSTRUCTION 13 II ALTERNATOR PERFORMANCE AND TESTING 13 III THREE PHASE INDUCTION MOTOR 12 IV SINGLE PHASE INDUCTION MOTOR&SYNCHRONOUS MOTOR 12 V SPECIAL MACHINES 12 CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 9 INDUSTRIAL VISIT 4 TOTAL 75

COURSE OUTCOMES

15O – 3301Electrical Machines –II On successful completion of this course, students should be able to : Explain the principle of operation, construction and characteristics of C401.1 Alternator : Acquire knowledge on synchronization of alternators and determination of C401.2 voltage regulation. : Describe the principle of operation, construction and characteristics of three C401.3 phase induction motor and its applications

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` : Elaborate the principle of operation, construction and characteristics of single C401.4 phase induction motor with applications and analyze the performance of synchronous motor under various excitation conditions : Summarize the construction, principle of operation and characteristics of C401.5 Special Machines.

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C401.1 2 3 3 2 2 2 1 2 2 3 3 2 C401.2 2 3 3 2 2 2 1 2 2 3 3 2 C401.3 2 3 3 2 2 2 1 2 2 3 3 2 C401.4 2 3 3 2 2 2 1 2 2 3 3 2 C401.5 2 3 3 2 2 2 1 2 2 3 3 2 Total 10 15 15 10 10 10 5 10 10 15 15 10 Correlation 2 3 3 2 2 2 1 2 2 3 3 2 Level

DETAILED SYLLABUS

UNIT 1 ALTERNATOR PRINCIPLES AND CONSTRUCTION ……13 PERIODS 1.1 Construction and working 7Per Basic principle of alternators – Types of alternators –Stationary armature rotating field – advantages of rotating field –Construction details of alternator – Salient pole rotor – Cylindrical type rotor – Types of A.C. armature windings – Types of slots –Full pitch and short pitched windings – Phase spread angle and effect of distribution factor – pitch factor – relation between frequency, speed and number of poles (Refer theweblink : https://www.youtube.com/watch?v=W3Z5XjzvPl4 for working principle of an alternator) 1.2 EMF Equation and cooling methods EMF equation –Problems – methods of obtaining sine wave – Critical 6Per speed of rotor – Ventilation of turbo alternators – advantages of hydrogen cooling and its precaution – excitation and exciters. (Refer theweblink :https://www.youtube.com/watch?v=Z56kB2jef5U for getting sinusoaidal waveform of an alternator) UNIT 2 ALTERNATOR PERFORMANCE AND TESTING ……13 PERIODS 2.1 Load characteristics 6Per Load characteristics of alternators – reason for change in terminal voltage –Qualitative treatment of armature reaction for various power factor loads – effective resistance – leakage reactance – synchronous reactance, synchronous impedance –Voltage regulation Determination of voltage regulation by synchronous impedance method (simple problems)– MMF method– potier method.

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` 2.2 Synchronosation Necessity and conditions for parallel operation of alternators – 7Per synchronizing by dark lamp method, bright lamp method,dark - bright lamp method and synchroscope method– synchronizing current, synchronizing power and synchronizing torque – load sharing of alternators –infinite bus bar . (Refer the weblink : https://www.youtube.com/watch?v=LGB6ZEjGm7Q for testing of an alternator https://www.youtube.com/watch?v=q8zFZa6thnU for performance of an alternator) UNIT 3 THREE PHASE INDUCTION MOTOR ……12 PERIODS 3.1 Rotating magnetic field – Principle of operation of three phase induction motors – slip and slip frequency – comparison between cage and slip ring induction motors development of phasor diagram – expression for torque in synchronous watts –slip torque characteristics – stable and unstable region – no load test and blocked rotor test development of approximate equivalent circuit – problems on the above topics – simplified circle diagram – determination of maximum torque, slip (problems notrequired) – starting torque and starting current expression –relationship between starting torque and full load torque – speed control of induction motors. Starters of induction motors – direct on line starter and its merits for cage motors – star delta starter- auto transformer starter-rotor resistance starter – cogging –crawling in induction motor–double cage induction motor– induction generator. (Refer the weblink : https://www.youtube.com/watch?v=DsVbaKZZOFQ for working of three phase induction motor, https://www.youtube.com/watch?v=Mle-ZvYi8HA for construction of three phase induction motor, https://www.youtube.com/watch?v=qIgH1layoYk for direct online starter, https://www.youtube.com/watch?v=CwA2Idd5e7s for auto transformer starter) UNIT 4 SINGLE PHASE INDUCTION MOTOR &SYNCHRONOUS MOTOR …….12PERIODS 4.1 Single phase Induction motor: single phase induction motors – not self starting –methods of making itself starting – construction, working principle – phasor diagram-slip 6Per torque characteristics– split phase motor – capacitor motor – shaded pole motor – repulsion motor – universal motor – operation of three phase motor with single phase supply. (Refer the weblink :https://www.youtube.com/watch?v=yL5egmaRxUM for single phase induction motor) 4.2 Synchronous Motor: Principle of operation –not selfstarting – methods of starting–effects of 6Per excitation on armature current and power factor– ‘V’ curve and inverted ‘V” curve of synchronous motor the phenomenon of hunting and prevention of hunting by damper winding – comparison between synchronous motor and three phase induction motor – applications – problems on power factor improvement. (Refer the weblink :https://www.youtube.com/watch?v=Vk2jDXxZIhs for working of synchronous motor https://www.youtube.com/watch?v=3qX3c7qoNBg for power factor correction https://www.youtube.com/watch?v=DWyWkPTrBWE for V curve and inverted V curve) UNIT5SPECIAL AC MACHINES SPECIAL DC MACHINES ……12 PERIODS

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` 5.1 Special AC machines: Permanent magnet Synchronous motors – Construction and performance 6Per – Advantages – Applications – Synchros –Constructional features – Control Transmitter – Control receiver -Applications of synchros– A.C. Servo motors – Two phase A.C.Servo motor – Linear induction motor.

Refer the weblink: https://www.youtube.com/watch?v=LisefA_YuVg for special AC machines 5.2 Special DC machines: Permanent Magnet D.C. Motor – Construction–Working principle – Speed control Advantages – Applications – BLDC Motor Construction and 6 Per Working Principle –Servo motors – D.C. Servomotors – Stepper motors – Variable reluctance stepper motor – Permanent magnet stepper motor. Refer the weblink:https://www.youtube.com/watch?v=WETaGBOIquAfor special DC machines

TEXT BOOKS

Year of

Title Publisher Publishing / S.No Author Edition A Text Book Of Electrical 1. B.L. Theraja S.Chand& Co. New Delhi 2014, Reprint Technology -Volume II Addision– Wesley 1995, 2. Electrical Technology Edward Hughes International Student Edition TenthEdition

REFERENCES

Year of Publishing / Title Author Publisher S.No Edition 1. Performance And Design Of Pitman Publishing 2002, Third Edition – M.G.Say AC Machines Ltd, New Delhi Reprint TMH Publications, 2. Electrical Machines Nagarath 2011, Third reprint New Delhi TMH Publications, 2003, Second Edition – 3. Electrical Machines Bhattacharya New Delhi Eighth Reprint

LIST OF PROPOSED STUDENT ACTIVITIES I. INDUSTRIAL VISITS To impart industrial visit to any one of the following industries to understand real time applications: 1. Lakshmi Machine Works , Coimbatore 2. Steel Authority India Limited,Salem Steel Plant,Salem- 636013. 3. PSG Industrial Institute, Peelamedu, Coimbatore 641 004. Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned.

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` 2. Performance of Induction motor 3. Synchronisation of alternators III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES: 1. Magnet, MOTOR CAD and MOTORPRO 2. www.electrical4u.com 3. www.ncert.nic.in

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

(Autonomous Institution)

DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING

ELECTRICAL MACHINES II

Model Question Paper - I

Year/Sem: II / IV Max. Marks : 75 Code no: 15O-3301 Time : 3 Hrs

PART-A (5 X 2 = 10marks) Unit Bloom’s Note : (i)Answer any FIVE Questions out of which question No. 8 is compulsory Level (ii) All questions carry equal marks

1. What principle is used in alternator? I R 2. What do you mean by armature reaction in alternator? II U 3. Define slip in induction motor. III R 4. What type of starter is suitable for three phase slip ring induction motor? III U 5. At what speed does synchronous motor run? IV U 6. Calculate the step angle of 200 steps per revolution in stepper motor. V R 7. Define synchronous impedance. II R 8. Define distribution factor. I R

PART-B (5 X 3 = 15marks) Unit Bloom’s Note : (i)Answer any FIVE Questions out of which question No. 16 is compulsory Level (ii) All questions carry equal marks

9. Mention any three advantages of rotating field system in alternator. I U 10. What are the advantages of parallel operation of alternators? II U 11. Draw the approximate equivalent circuit of induction motor. III R 12. Explain the use of damper winding in synchronous motor? IV U 13. Draw a neat sketch of AC Servo motor. V R 14. Draw the circuit diagram for short circuit test of 3 phase alternator. II R 15. Draw the slip torque characteristics of 3 phase slip ring induction motor III R

Diploma in Electrical and Electronics Engineering PAGE 59

` indicating stale and unstable regions. 16. Discuss the necessity of damper winding used in alternato. I U

PART-C (5 x 10 = 50 marks) Unit Bloom’s Marks Note: (i) Answer allthe questions choosing either sub-division (A) Level Awarded or sub-division (B) of each question. (ii) All questions carry equal marks. 17. A. Explain with neat sketch the constructional details of turbo I R 10 alternator. OR B. Explain the methods of obtaining sine wave in an alternator I U 10 with neat sketches. 18. A. Explain the MMF method of predetermining the voltage II U 10 regulation of an alternator OR B. With a neat diagram explain synchronization of three phase II R 10 alternators using synchroscope method. 19. A. Explain how a rotating magnetic field is established in three III U 10 phase induction motor and draw the vector diagram. OR

B. Explain any four methods of speed control of induction motor III U 10 with neat sketches. 20. A. Explain the construction, working of split phase induction IV R 10 motor with neat sketches. OR B. With neat vector diagrams and graph explain the effect of IV U 10 changing field excitation of synchronous motor. 21 A. With neat sketch, explain the construction and working of V R 10 PMDC motor OR B. Explain the construction and working of Permanent magnet V U 10 Synchronous motor. Note: The question paper setters are requested to follow the Revised Bloom’s Taxonomy level as presented below: Bloom’s Taxonomy Lower Order Thinking Skills (LOTs) Higher Order Thinking Skills (HOTs)

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create

Diploma in Electrical and Electronics Engineering PAGE 60

` % to be included 90% 10%

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL & ELECTRONICS ENGINEERING ELECTRICAL MACHINES-II Model Question Paper II Year/Sem: II / IV Max. Marks : 75 Code no: 15O-3301 Time : 3 Hrs PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. Discuss the need for cooling of alternators. I R

2. What is synchronizing current? II R

3. Write the relation between the slip and slip frequency. III U

4. Write the condition to obtain maximum torque at running condition III R for an induction motor. 5. Mention the applications of Servo motor. V Ap

6. At what power factor does the synchronous motor draw minimum IV U current? 7. Mention the applications of PMDC motor. V Ap

8. A three phase alternator has 16 poles working with 50Hz. Calculate I Ap the synchronous speed of alternator. PART-B (5 X 3 = 15 marks) Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. Compare salient pole rotor and cylindrical rotor. I U 10. What are the conditions to be fulfilled for parallel operation of II R alternators? 11. Compare squirrel cage induction motor and slip ring induction motor. III U 12. State the applications of synchronous motor. IV Ap 13. Draw a neat sketch of DC servo motor. V R 14. Draw the circuit diagram for open circuit test of 3 phase alternator. II R 15. What is meant by cogging in three phase induction motor and how it III U

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` is prevented? 16 Mention the advantages of hydrogen cooling of alternator. I R

PART-C (5 x 10 = 50 marks) Unit Bloom’s Marks Note: (i) Answer allthe questions choosing either sub-division (A) Level Awarded or sub-division (B) of each question. (ii) All questions carry equal marks. 17. A. Derive an expression for EMF of alternator taking into account I R 10 the pitch factor and distribution factor. OR B. With neat sketches, explain any two methods of cooling of I U 10 alternators. 18. A. Explain the emf method (or) synchronous impedance of II R 10 predetermining the voltage regulation of an alternator. OR B. Explain armature reaction in alternator with neat sketches for II U 10 different loads. 19. A. Explain with neat diagram the working of a star delta starter III U 10 and mention its merits and demerits. OR

B. Explain step by step procedure for draw the circle diagram of III R 10 an induction motor. 20. A. Explain ‘V’ curve and inverted ‘V’ curve of synchronous motor IV R 10 with neat sketches. OR B. Explain the construction and working of capacitor start IV Ap 10 induction motor with neat sketch.

21 A. With neat sketch, explain the construction and working of V U 10 Linear Induction motor. OR B. With neat sketch explain the construction and working of V U 10 Variable reluctance stepper motor. Note: The question paper setters are requested to follow the Revised Bloom’s Taxonomy level as presented below: Bloom’s Taxonomy Lower Order Thinking Skills (LOTs) Higher Order Thinking Skills (HOTs)

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 62

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : IV Course Code : 150 - 3302 Course Name : MEASUREMENTS AND INSTRUMENTS TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods Periods / Continuous Semester End Total / week Semester Assessment Examinations MEASUREMENTS AND 4 60 25 75 100 3 Hours INSTRUMENTS

TOPICS AND ALLOCATION OF PERIODS

Unit No Topic No of Periods I CLASSIFICATION AND CHARACTERISTICS OF INSTRUMENTS 9 II MEASUREMENT OF CURRENT VOLTAGE AND RESISTANCE 11 III MEASUREMENT OF POWER AND ENERGY 9 IV MEASUREMENT OF POWER FACTOR FREQUENCY AND PHASE DIFFERENCE 9 V MEASUREMENT OF L,C AND WAVEFORMS 9 CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 9 INDUSTRIAL VISIT 4 TOTAL 60

COURSE OUTCOMES

15O – 3302Measurements and Instruments On successful completion of this course, students should be able to : Define and discriminate the basic terms related to Measurements and C402.1 explain the working principle of instruments : Summarize the working principle of Ammeters ,Voltmeters , Ohmmeters C402.2 and the importance Instrument Transformers in Measurement C402.3 : Explain the working principle of Wattmeters and Energy Meters : Outline the measurement of Power System Parameters with Digital C402.4 Instruments & Controllers

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` : Explain the measurement of Inductance , Capacitance with Bridges and the C402.5 working principle of CRO

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2

C402.1 - 3 2 2 2 - 2 1 1 2 3 1

C402.2 2 3 3 3 2 - - 1 1 2 3 1

C402.3 2 3 3 3 2 - - 1 1 2 3 1

C402.4 2 3 2 2 2 - - 1 1 2 3 1

C402.5 2 3 2 2 2 - - 1 1 2 3 1

Total 8 15 12 12 10 - 2 5 5 10 15 5 Correlation 2 3 2.4 2.4 2 - 2 1 1 2 3 1 Level

DETAILED SYLLABUS

UNIT1 CLASSIFICATION AND CHARACTERISTICS OF INSTRUMENTS ...…9PERIODS Definition and Classification: 1.1 Introduction - Definition of Measurement – functions of Measurement system 4 Per (Indicating, Recording and controlling function) – Applications of measurement systems – classification – Absolute and secondaryinstruments – Indicating Recording and Integrating Instruments –Analog and Digital – Definition of True

value, accuracy, precision,error and error correction – Instrument efficiency (Refer the weblink:https://www.youtube.com//G1cYqzmvoew" for the specications of measuring instruments) 1.2 Working principle and Construction: 5Per Effects used in instruments – operating forces – Deflecting, controlling and damping forces – constructional details of moving system – Types of Supports– Balancing – Torque weight ratio – control system (spring control andgravity control) Damping systems – Magnets – pointers and scales.

UNIT 2 MEASUREMENT OF CURRENT VOLTAGE AND RESISTANCE .....11PERIODS

Diploma in Electrical and Electronics Engineering PAGE 64

` 2.1 Measurement of Voltage and Current: 4 Per Types of Instruments – construction, working and torque equation of moving coil, Moving iron, dynamometer type ,induction type (Shaded pole) Instruments – Extension of instrument range using shunts and multipliers. (calculation, requirements and simple problems)–Tong tester – Hall effect based current and voltage

measurement - optical isolated current and voltage measurement.

2.2 Measurement of Resistance: 4Per Classification of Resistance – measurement using conventional method – (Ammeter – voltmeter method) Measurement of low resistance using Kelvin’s Bridge ohmmeter – measurement of Medium resistance usingWheatstone bridge – High resistance using Meggar - earth resistance – using Earth Tester.

2.3 Multimeters and Instrument Transformers: 3Per Digital Multimeters – Block Diagram –Working Principle - Instrument transformers CT and PT – Construction - Working Principle - Errors and Characteristics of CT and PT- Advantages of CT and PT (Refer the weblink: "https://www.youtube.com/embed/70e7eiUajis - for Instrument transformers)

UNIT 3 MEASUREMENT OF POWER AND ENERGY ..…9PERIODS

3.1 Measurement of Power: 4 Per Power in D.C and A.C Circuits – watt meters in power measurement - Electrodynamometer type and LPF watt meters – Three phase power measurement using Three phase wattmeter – Reactive power measurement in balanced load.

(Refer the weblink:https://www.youtube.com/embed/mkLCs0dBX8Efor the working of Wattmeter)

3.2 Measurement of Energy: 5Per Measurement of Energy in AC circuits – Single phase and Three phase energy meters- construction and operation – Errors and Errorcorrection– Testing and calibration of Energy meter using RSS meter and adjustment procedure– Digital Energy meter.

(Refer the weblink:https://www.youtube.com/embed/mkLCs0dBX8Efor the working of Energymeter)

UNIT 4 MEASUREMENT OF POWER SYSTEM PARAMETERS ..…9PERIODS

4.1 Measurement of Power factor , Phase sequence and Frequency: Power factor meters – single phase and Three phase Electro dynamometer type – 4 Per construction and working – phase sequence Indicator – synchroscope –working principle and applications-Frequency measurement – Frequency meter (Weston type) - Digital Frequency meter – (Simplified Block diagram)

Diploma in Electrical and Electronics Engineering PAGE 65

` 4.2 Digital instruments and Controllers: Digital Trivector meter- Digital Demand indicator and Demand Controllers –Automatic power factor controller - block diagram and features - Static TOD(Time Of Day) meter 5Per - Block diagram – working principle – advantages – Net Metering - features and applications.

(Refer the weblink:https://en.wikipedia.org/wik for Netmetering, https://www.youtube.com/embed/Fb5wmZF3t9c for MD Controller)

UNIT5 MEASUREMENT OF INDUCTANCE and CAPACITANCE AND WAVEFORMS…9PERIODS

Measurement of inductance and capacitance: 5.1 Measurement of Inductance – Maxwell’s Inductance bridge – Anderson bridge – 4 Per Measurement of capacitance using Schering bridge.

5.2 Cathode ray oscilloscope: CRO –CRT- Block diagram of CRO– Time base and synchronization -Applications - 5Per Measurement of voltage, frequency and phase difference using CRO- and Digital storage oscilloscope– Block diagram and working principle.

(Refer the weblink:https://www.youtube.com/embed/CzY2abWCVTY for CRO)

TEXT BOOK

YEAR OF S.NO. TITLE AUTHOR PUBLISHER PUBLISHING/EDITION

1. A Course in Electricaland 1. A.K. Dhanpat Rai 2010, Eighteenth ElectronicsMeasurements and Sawhney & Co (P) edition Instrumentation 2. Puneet Ltd., New Sawhney Delhi

REFERENCES

YEAR OF S.NO. TITLE AUTHOR PUBLISHER PUBLISHING/EDITION

1 Electronic Instrumentation HS Kalsi Tata Mc Graw 2010, Third edition Hill Publishing Co., Delhi 2 Modern Albert D. Helfrick Prentice Hall ElectronicInstrumentation William David of 2010, Second Edition and Cooper India(P)Ltd., Measurement techniques New Delhi 3 Electronics and Dr.S.K.Bhattachariya S.K.Kataria Instrumentation Dr.Renu Vig &sons, New 2011, Fifth Edition Delhi

Diploma in Electrical and Electronics Engineering PAGE 66

` 4 A course in Electrical and Umesh Sinha Satya Prakash 2010, Sixth reprint Electronic Measurement publictions, edition and Instrumentation New Delhi

LIST OF PROPOSED STUDENT ACTIVITIES

I. INDUSTRIAL VISITS To Impart industrial visit to any one of the following industries to understand real time applications: 1. Power House of TPTC & SCT – HT Supply 2. SAIL Refractory Company Ltd.,Omalur Road ,Salem – 636 005. 3. Steel Authority India Limited,Salem Steel Plant,Salem- 636013.

Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned.

II. SEMINARS

Seminars to be organized on any one of the following topics in association with the IE(I)/ISTE and the Students’ Technical Association of Electrical and Electronics Engineering Programme: 1. Virtual Instrumentation 2. Intelligent Instruments 3.Industrial Process Control

III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES:

1. www.allaboutcircuits.com 2. www.defineinstruments.com 3. www.instrumentationtoday.com 4. www.ni.com

Diploma in Electrical and Electronics Engineering PAGE 67

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING MEASUREMENTS & INSTRUMENTS Model Question Paper I Year/Sem: II / III Max. Marks : 75 Code no: 15O- 3302 Time : 3 Hrs PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. Define Accuracy of a measuring instrument I U

2. What is a tong tester II R

3. List the errors in single phase Energy Meter III U

4. What is Static TOD meter IV R

5. Name the bridge used for measuring capacitance V R

6. List the types of supports used in an instrument I R

7. What is a synchroscope IV R

8. What is an instrument transformer II R

PART-B (5 X 3 = 15 marks) Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. List the applications of measurement systems I R 10. What are shunts. Give their requirements II U 11. Give the advantages of Dynamometer type wattmeter III U 12. What is Net metering IV R

Diploma in Electrical and Electronics Engineering PAGE 68

` 13. What is the use of Time base Generator in a CRO V U 14. What is instrument efficiency I U

15. What do you mean by burden in Current Transformers II R

16. What is creep error and how will adjust it III U

PART-C (5 x 10 = 50 marks) Note: (i) Answer allthe questions choosing either sub-division (A) Bloom’s Maximum or sub-division (B) of each question. Unit Taxonomy Marks (ii) All questions carry equal marks. Level 17. A. Explain in detail the functions of the three operating forces I R&U 10 used in an instrument (OR) B. What is the use of controlling force in an instrument and I R&U 10 explain the methods of producing it and compare them 18. A. With neat sketch explain the construction and operation of II R&U 10 attraction type Moving Iron Instrument and give its torque equation (OR) B. (i) Explain the measurement of low resistance using Kelvin’s II Ap 5 Bridge ohmmeter (ii)Explain the working principle of Current Transformer and Ap 5 give its advantages 19. A. Explain the construction and working principle of dynamometer III R&U 10 type Wattmeter. (OR) B. Draw the construction and explain the working principle of III R&U 10 single phase induction type energy meter? 20 A. Draw the construction and explain the working principle of IV R&U 10 Power factor meter (OR) B. Draw the block diagram and features of Digital Trivector Meter IV R&U 10 and Automatic Power Factor Controller 21 A. Draw the circuit and explain how Capacitance are measured V R&U 10 using Scherring Bridge and Inductance are measured using Anderson Bridge (OR) B. Draw the block diagram and explain the working of Cathode V R&U 10 Ray Oscilloscope Note: The question paper setters are requested to follow the Revised Bloom’s Taxonomy level as presented below:

Diploma in Electrical and Electronics Engineering PAGE 69

` Bloom’s Taxonomy Lower Order Thinking Skills (LOTs) Higher Order Thinking Skills (HOTs)

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING MEASUREMENTS & INSTRUMENTS Model Question Paper II Year/Sem: II / III Max. Marks : 75 Code no: 15O- 3302 Time : 3 Hrs PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. Define Precision of an instrument I U

2. Name the errors in Moving Iron Instruments II R

3. List the errors in single phase Energy Meter III U

4. List any two special features of Digital Energy meter IV R

5. What is an instrument transformer IV R

6. Name the bridges used for measuring Inductance V R

7. What is the need for synchronization in CRO V R

8. What is an integrating instrument I R

PART-B (5 X 3 = 15 marks) Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. List the functtions of measurement systems I R 10. Define Instrument Efficiency I R 11. What are multipliers. Give their requirements II U 12. What is phantom loading III U 13. List the quantities measured by a trivector meter IV R

Diploma in Electrical and Electronics Engineering PAGE 70

` 14. What is the condition required for getting the driving torque III U proportional to the AC power in a Single phase Energy meter 15. How will you measure phase difference using CRO V U 16. What is the use of Time Base generator in a CRO V U

PART-C (5 x 10 = 50 marks) Note: (i) Answer allthe questions choosing either sub-division (A) Bloom’s Maximum or sub-division (B) of each question. Unit Taxonomy Marks (ii) All questions carry equal marks. Level 17. A. Explain in detail the functions of the three operating forces I R&U 10 used in an instrument (OR) B. What is the use of controlling force in an instrument and I R&U 10 explain the methods of producing it and compare them 18. A. With neat sketch explain the construction and operation of II R&U 10 attraction type Moving Iron Instrument and give its torque equation (OR) B. (i) Explain the measurement of low resistance using II R&U 5 Kelvin’s Bridge ohmmeter (ii)Explain the working principle of Current Transformer and II R&U 5 give its advantages 19. A. Explain the Construction and Operation of dynamometer type III R&U 10 wattmeter with neat sketch & explain the modifications to be done to measure power with LPF (OR) B. Draw the construction and explain the working principle of III R&U 10 Three phase induction type energy meter 20 A. Explain the construction and working principle of Single phase IV R&U 10 power factor meter. (OR) B. (i) Explain the operation of Trivector meter with suitable block IV R&U 5 diagram

(ii) Explain the operation of APFC with suitable block diagram IV R&U 5 21 A. Draw the block diagram of a Digital Storage Oscilloscope and V R&U 10 explain its the working (OR) B. Draw the block diagram and explain the working of Cathode V R&U 10 Ray Oscilloscope

Note: The question paper setters are requested to follow the Revised Bloom’s Taxonomy level as presented below:

Diploma in Electrical and Electronics Engineering PAGE 71

` Bloom’s Taxonomy Lower Order Thinking Skills (LOTs) Higher Order Thinking Skills (HOTs)

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : IV Course Code : 15O -3208 Course Name : DIGITAL ELECTRONICS

TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods / Periods / Continuous Semester End Total week Semester Assessment Examinations DIGITAL 5 75 25 75 100 3 Hours ELECTRONICS

TOPICS AND ALLOCATION OF PERIODS

Unit No Topic No of Periods

I NUMBER SYSTEM, LOGIC GATES,BOOLEAN ALGEBRA AND LOGIC FAMILIES 13

II COMBINATIONAL CIRCUITS 13

III SEQUENTIAL CIRCUITS 12

IV MEMORY DEVICES 12

V MICROPROCESSOR – 8085 12

CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 9

INDUSTRIAL VISIT 4

TOTAL 75 COURSE OUTCOMES

15O – 3208Digital Electronics On successful completion of this course, students should be able to

Diploma in Electrical and Electronics Engineering PAGE 72

` : Apply the Boolean laws and Karnaugh map to reduce the digital logical C403.1 expressions. : Design combinational logic circuits from the functional description of digital C403.2 system C403.3 : Apply the knowledge of flip flops to design sequential logic circuits : Acquire knowledge on Semiconductor memory organization and its C403.4 expansion. C403.5 : Explain 8085 architecture, Pin details, instruction set and timing diagram

CO-PO & PSO’S MAPPING MATRIX CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C403.1 2 3 2 2 1 - - 2 2 - 3 2 C403.2 2 3 2 2 1 - - 2 2 2 3 2 C403.3 2 3 2 2 1 - - 2 2 2 3 2 C403.4 2 3 2 2 1 - - 2 2 2 3 2 C403.5 - 3 2 2 1 - - 2 2 2 3 2 Total 8 15 10 10 5 - - 10 10 8 15 10 Correlation 2 3 2 2 1 - - 2 2 2 3 2 Level

DETAILED SYLLABUS UNIT 1NUMBER SYSTEM, LOGIC GATES, BOOLEAN ALGEBRA AND LOGIC FAMILIES …13PERIODS 1.1 Number System: 4 Per Number system-Decimal, Binary, Octal, Hexadecimal - Conversion fromone to another. Binary codes – BCD code, Gray code, Excess 3code, ASCII code. Error- Detecting and Error correcting codes. (Refer the weblink : https://www.youtube.com/watch?v=EcpV0_T1tpU for Number Systems 1.2 Logic Gates and Boolean Algebra: 6 Per Logic- positive and Negative logic, Gates- AND, OR, NOT, NAND, NOR, EX-OR and EX-NOR. Implementation of logic functions using gates, Realization of gates using universal gates. Boolean Algebra – Boolean postulates and laws. De-Morgan’stheorem, Simplification of Boolean expressions using Boolean laws. Karnaugh map – Sum of products (SOP) and product of Sums (POS) -Simplification of Boolean expression using Karnaugh map (up to 4-variables-pairs, quad, octets)- Don’t care conditions and constructing the logic circuits for the given Boolean expressions. (Refer Web link :https://www.youtube.com/watch?v=AnQsznjccUw for Boolean algebra and simplificaion, https://www.youtube.com/watch?v=EazZUhkIDXo for Boolean algebra Basic problems,https://youtube.com/watch?v=Sf_Yx2z1fRkfor Logic gates,https://youtube.com/watch?v=EznCqZ1eh5Q for Karnaugh map simplification)

Diploma in Electrical and Electronics Engineering PAGE 73

` Logic Families: 3 Per 1.3 Digital logic families – Logic characteristics-RTL, DTL, TTL logic with totem pole output and CMOS logic, comparisons and applications, Tristate gate.

UNIT 2 COMBINATIONAL CIRCUITS ...... 13PERIODS 2.1 Arithmetic Circuits: 5Per Definition and example for combinational circuits -Arithmetic circuits. Binary – Addition, subtraction, 1’s and 2’scomplement. Signed binary numbers- Half Adder and Full Adder- Half Subtractor and Full Subtractor – Parallel and Serial Adders - BCD adder (Refer the weblink :https://youtube.com/watch?v=9O7OJi7RCLQ for BCD adder) 2.2 Combinational Circuits: Multiplexer-Definition-block diagram –logic diagram of the 4 to 1 line and 8 to 8 Per 1 line Multiplexers , Demultiplexers – logic diagram of 1 to 4 and 1 to 8 Demultiplexers, Decoder- 3 to 8 decoder, BCD to Decimal decoder, BCD to seven segment decoder- Encoder –Octal to binary encoder, Decimal to BCD encoder- parity generator and checker.

(Refer the weblink :https://youtube.com/watch?v=hCrnDV1Li4Mhttps://youtube.com/watch?v=kpGEL7Xynjc for Multiplexer https://youtube.com/watch?v=RZQTTfU9TNA for Encoder and Decoder) UNIT 3 SEQUENITAL CIRCUITS ...... 12 PERIODS 3.1 Flip-Flops and Counters: 8Per Definition for sequential circuits- Flip-flops – SR, JK, T, D, JK- MS Flip flop –level and edge triggering-Counters – 4 bit Up/Down Asynchronous/ripple counter- Decade counter- mod3, mod7 counter – 4 bit Synchronous Up/Down counter- Johnson counter- Ring counter- Single digit BCD counter - static diagrams

(Refer the weblink :https://youtube.com/watch?v=9aM0amTZF5Y for flip flop https://youtube.com/watch?v=PnwYW3RWARwfor Asynchronous counter) 3.2 Shift Registers: Registers- 4-bit shift register- Serial IN Serial OUT, Serial INparallel OUT, Parallel 4Per IN Serial OUT, Parallel IN Parallel OUT operations.

(Refer the weblink :https://youtube.com/watch?v=54AssCQ2w80 for Shift registers UNIT 4 MEMORY DEVICES ...... 12PERIODS 4.1 Classification of memories - RAM organization - Address Lines and Memory Size, Read/write operations - Static RAM - Bipolar RAM cell, MOSFET RAM cell - Dynamic RAM, SD RAM, DDR RAM. Read only memory – ROM organization, Expanding memory, PROM, EPROM, and EEPROM.Flash memory – Anti Fuse Technologies. (R (Refer the weblink :https://youtube.com/watch?v=tas2eUavhRE for Memories

Diploma in Electrical and Electronics Engineering PAGE 74

` UNIT 5 MICROPROCESSOR – 8085 ...... 12PERIODS 5.1 Evolution of microprocessor – 8085Features, Architecture, Instruction sets,Addressing modes, memory mapped I/O and I/O mapped I/O and its comparison, Machine cycle – Opcode fetch, memory read, memory write, I/O read, I/O write - Instruction cycle -Timing diagram for MOV r1,r2,LDA addr and STA addr instructions – Interrupts (types and Priorities) (Refer the weblink :https://youtube.com/watch?v=p4RcMLFIr5ofor Architecture of 8085 Microprocessor,https://youtube.com/watch?v=uMgYwDokXi4 for Timing diagrams of 8085 Microprocessor)

TEXT BOOK

S.NO. TITLE AUTHOR PUBLISHER YEAR OF PUBLISHING/EDITION

1 Principles of Digital K.Meena PHI Learning Private 2011, Eastern Electronics Ltd.,New Delhi Economy Edition

2 Microprocessor Ramesh Penram International 1995, First Edition architecture, Gaonkar Publishing(India)Private programming limited and application with the 8085 REFERENCES

YEAR OF S.NO. TITLE AUTHOR PUBLISHER PUBLISHING/EDITION

1 Digital principles & Donald P.Leach & Tata- McGraw-Hill 2011,Seventh Edition Applications Albert Paul Publishing Company Malvino Ltd, New Delhi

2 Digital Electronics William Prentice Hall of India 2008, Fifth Edition H.Gothman 3 Modern Digital R.P. Jain Tata- McGraw-Hill 2010, Fourth Edition Electronics Publishing Company Ltd., New Delh 4 Digital Electronics Roger L.Tokheim Tata- McGraw-Hill 2010, Sixth Edition Principles and Macmillan Publishing Company Applications Ltd., New Delh 5 Introduction to Aditya P Mathur Tata- McGraw-Hill 1999, Third Edition Microprocessor publishing Company Limited

Diploma in Electrical and Electronics Engineering PAGE 75

` 6 Digital Electronics V.K.Puri Tata- McGraw-Hill 2005, Tenth edition Circuits & Systems publishing Company Limited New Delhi Digital Thomas Pearson Education 2011, NinthEdition 7 L.Floyd & R.P.Jain Fundamentals India Fundamentals of Anokh Singh & S.Chand & Company 2008/Fifth Edition 8 Digital Electronics and A.K.Chhabra Ltd.,NewDelhi Microprocessors Microprocessor and R.Theagarajan New Age 1999/Third Edition 9 its Applications S.Dhanasekara International Private S.Dhanapal Ltd.,Publishers

LIST OF PROPOSED STUDENT ACTIVITIES

I. INDUSTRIAL VISITS

To Impart industrial visit to any one of the following industries to understand real time applications: 1. SAIL Refractory Company Limited, Omalur main Road, Salem – 636 005 2. Steel Authority India Limited,Salem Steel Plant,Salem- 636013. 3. Swelect Energy Systems Private Limited, 8/3, Nachiyur, Salem Main Road, Idappadi , Salem – 637 101 Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned.

II. SEMINARS

Seminars to be organized on any one of the following topics in association with the IE(I)/ISTE and the Students’ Technical Association of Electrical and Electronics Engineering Programme: 1. Semiconductor Memories 2. 8085 Microprocessor 3. Logic Families

III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES:

1. TINA 2. PSPICE 3. MULTISIM 4. www.ni.com 5. www.indiabix.com 6. www.asic-world.com 7. www.tutorialspoint.com

Diploma in Electrical and Electronics Engineering PAGE 76

` 8. www.explainthatstuff.com

Diploma in Electrical and Electronics Engineering PAGE 77

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL & ELECTRONICS ENGINEERING DIGITAL ELECTRONICS Model Question Paper - I Year/Sem: II / IV Max. Marks : 75 Code no: 15O-3208 Time : 3 Hrs. PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. Realize AND, OR gates using NAND gates only. I U 2. Draw the symbol and truth table for AND, OR gates. I R 3. Find 1’s and 2’s complement of the following numbers II U i. 1011010110 ii. 101110110110 4. Draw the logic circuit for Mod 7 counter III U 5. Draw the logic circuits for T flip flop using NAND gates. Also write its III U truth table. 6. State any two differences between static and dynamic RAM IV R 7. What are the different types of addressing modes in 8085 V R microprocessor? 8. State the use of Program counter and Stack pointer in 8085 V R Microprocessor. PART-B (5 X 3 = 15 marks)

Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. State and prove De-morgan’s theorem. I R

10. Define 1. Fan in 2. Fan out 3. Propagation Delay time. I R

11. Draw the logic circuit for 8 to 1 MUX and also write its truth table. II R

12. Draw the circuit diagram for 4 bit BCD adder. II R

13. Explain the operation of Mod 7 counter with neat diagram. III U 14. Explain the operation of 4 bit Ring counter with neat diagram. III U 15. Explain register array in 8085 microprocessor. V R 16. Explain the operation of Bipolar RAM memory cell with neat diagram. IV R

Diploma in Electrical and Electronics Engineering PAGE 78

PART-C (5 x 10 = 50 marks) Note: (i) Answer allthe questions choosing either sub-division (A) Bloom’s Maximum or sub-division (B) of each question. Unit Taxonom Marks (ii) All questions carry equal marks. y Level 17. A. i) Reduce the following using K-map technique. I U 5 ∏M(0,1,2,3,6,10,13,14,15) ii) Reduce the following using K-map technique. I U 5 ∑m(0,1,3,4,5,7,10,13,14,15) OR B. Draw the circuit and explain the operation of two inputs TTL I U 10 NAND gate with Totem pole output and also state its advantages over open collector output. 18. A. Draw the symbol, logic diagram and truth table for II R 10 1. Half Adder 2. Full adder 3. Half Subtractor 4. Full Subtractor OR B. i) Draw 4 bit binary adder/Subtractor circuit and explain its II R 5 operations ii) List the differences between De-MUX and Decoder II U 5 19. A. Draw the logic circuit for 4 bit Synchronous UP counter and III R 10 explain its operations with truth table and waveforms. OR

B. Draw the logic diagram for JK flip flop using NAND gates and III U 10 explain its operations with truth table. Also state its disadvantage and how it is avoided by using JKMS flip flop. 20. A. Write a note on 1. SDRAM 2. DDR RAM IV R 10 OR

B. Classify the semiconductor memory based on 1. Principle of IV R 10 operation 2. Physical Characteristics 3. Fabrication Technology and explain them. 21. A. Draw the timing diagram for LDA addr , MOV r1,r2 instructions V U 10 OR B. i) Explain Register array of 8085 microprocessor. V R 5 V R ii) What are the flags available in 8085? Explain the functions of 5 each with an example.

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 79

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL & ELECTRONICS ENGINEERING DIGITAL ELECTRONICS Model Question Paper – II Year/Sem: II / IV Max. Marks : 75 Code no: 15O-3208 Time : 3 Hrs. PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. Convert the following Binary code into gray code. I U 1. 1011010110 2. 111101101110 2. Define Positive and Negative logic. I R 3. Draw the circuit diagram for 4 bit odd parity generator II R 4. Draw the logic circuit for BCD to Decimal decoder. II R 5. Draw the symbol, logic circuit and truth table for SR flip-flop. III R 6. State any two applications of Random access memory. IV Ap 7. Give an example for one byte and two byte instructions in 8085 V R Microprocessor. 8. What are the various machine cycles in 8085 Microprocessor? V R PART-B (5 X 3 = 15 marks)

Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. Simplify the following function using K map I U

F(A, B, C) = ∑m(0, 2, 4, 6) + ∑d(1,3) 10. Simplify the following Boolean expression using Boolean laws. I U 1. ABC+AB’C+ABC’= A(C+B) 2. A’BCD’+BCD’+BC’D’+BC’D=B(D’+C’)

11. Define De-MUX. Also draw the logic diagram for 8 to 1 De-MUX. II R 12. Explain the operation of 3 bit ripple counter with neat diagram and II R truth table. 13. What is race around condition? How it is eliminated by using JK III U Master slave flip flop. 14. What are the features of Flash memory? IV R 15. Draw the timing diagram for MOV r1, r2 instruction. V U 16. Explain Processor Status Word of 8085 Microprocessor. V R

Diploma in Electrical and Electronics Engineering PAGE 80

` PART-C (5 x 10 = 50 marks)

Note: (i) Answer allthe questions choosing either sub-division (A) or sub-division (B) of each question. Bloom’s Maximum Unit Taxonomy Marks (ii) All questions carry equal marks. Level

17. A. i) Reduce the following using K-map technique. I U 5 f(A,B,C,D) = ∑m(5,6,7,12,13)+ ∑d(4,9,14,15) ii) Reduce the following using K-map technique. I U 5 ∏M(0,2,3,8,9,12,13,15) OR B. Draw and explain the realization of AND, OR and NOT gates I U 10 using 1. NAND gate only 2. NOR gate only 18. A. Draw the circuit diagram for BCD to Seven segment decoder II R 10 (Common cathode) and explain its operation with truth table. OR B. Draw Octal to binary encoder circuit and explain its operation II R 10 with truth table. 19. A. Draw the logic circuit for divide by 11, divide by 2 counters III R 10 and explain its operations with truth table and waveforms. OR

B. Draw the logic diagram of 4 bit shift register operates in Serial III R 10 in parallel out mode and Parallel in serial out mode. 20. A. Draw the logic diagram for expanding 8k*4 memory to 16K*4 IV U 10 memory and explain OR

B. Explain the RAM organization with neat diagram. IV R 10 21. A. Explain the following instructions. V R 10 LDA addr 2. LXI rp, data16 3. MVI M,data 4. ADC r 5. CALL addr OR B. i) Explain different types of instruction formats with an example. V R 5 V R ii) Explain different types of addressing modes in 8085 with 5 an example.

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 81

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : IV Course Code : 150 - 3303 Course Name : TRANSDUCERS AND SIGNAL CONDITIONERS TEACHING AND SCHEME OF EXAMINATION

No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods/ Periods / Continuous Semester End Total week Semester Assessment Examinations TRANSDUCERS AND SIGNAL 4 60 25 75 100 3 Hours CONDITIONERS

TOPICS AND ALLOCATION OF PERIODS

Unit No Topic No of Periods

I CLASSIFICATION AND SENSING ELEMENTS 9

II PASSIVE TRANSDUCERS 9

III ACTIVE TRANSDUCERS 9

IV OPERATIONAL AMPLIFIERS 10

V SIGNAL CONDITIONERS IN INDUSTRIAL INSTRUMENTATION 10

CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 9

INDUSTRIAL VISIT 4

Total 60

COURSE OUTCOMES

15O – 3303Transducers and Signal Conditioners On successful completion of this course, students should be able to C404.1 : Classify the different types of Transducers used for various applications C404.2 : List down passive transducer and explain thier features and applications C404.3 : List down active transducer and explain thier features and applications. C404.4 : Describe the characteristics and applications of operational amplifier C404.5 : interpret the working of signal conditioners using operational amplifier

Diploma in Electrical and Electronics Engineering PAGE 82

CO-PO & PSO’s Mapping Matrix

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C404.1 - 3 - - - 2 - 1 1 2 3 - C404.2 - 3 1 - - - - 1 1 2 2 - C404.3 - 3 1 - - - - 1 1 2 2 - C404.4 2 3 2 1 - - - 1 1 2 2 - C404.5 2 3 2 1 - - - 1 1 2 2 - Total 4 12 6 2 - 2 - 5 5 10 11 - Correlation 2 3 1.5 1 - 2 - 1 1 2 2.2 - Level

DETAILED SYLLABUS UNIT 1 CLASSIFICATION AND SENSING ELEMENTS …..9 PERIODS Classification of Transducers: 4 Per 1.1 General – Definition - Necessity - Types - classification based on the principle of operation - Active and passive - Primary and Secondary - Examples in each - Advantages (Refer the weblink : https://www.youtube.com//FYggY7LLDrw for introduction and classification of Transducers) 1.2 Primary Sensing Elements: Primary sensing elements - Bourden tubes- Bellows – Load cells – Thermistors – Types – construction and operation of Metal Resistance thermometer– Digital 5 Per encoding transducer. (Refer the weblink : https://www.youtube.com//FYggY7LLDrw for introduction and classification of Transducers) UNIT 2 PASSIVE TRANSDUCERS ..…9 PERIODS 2.1 Resistive Transducer - Strain Gauge - construction and working of Strain gauge - Strain gauge in measurement of displacement - Capacitive transducer and its applications – Liquid level measurement using capacitive transducers – Inductivetransducer - Basic structure - proximity sensor - Measurement of

pressure using inductive transducer - Construction and operation of LVDT, RVDT.

(Refer the weblink : https://www.youtube.com/embed/zgwu5y4s5bE forPassive Transducers)

UNIT 3 ACTIVE TRANSDUCERS …..9 PERIODS 3.1 Thermocouple - construction and principle - Measurement of angular velocity using Tachogenerator - Piezoelectric transducers - principle - measurement of pressure and vibrations - Hall effect Transducer - photo voltaic transducers (solar cell) - photo conductive transducer Measurement of radiation using Giger Muller

Diploma in Electrical and Electronics Engineering PAGE 83

` tube.

(Refer theweblink : https://www.youtube.com/embed/dfYQSRcdWOk for active transducers) UNIT 4 OPERATIONAL AMPLIFIER ..…10 PERIODS 4.1 Operational Amplifiers: 4 Per Block diagram - DC, AC signal conditioning – operational amplifiers IC 741 – Pindetails – Important terms – characteristics of Ideal op amp - inverting and Non inverting mode –Gain – Applications 4.2 Applications of Operational Amplifiers: 6 Per Adders, Subtractor, Scale charger, integrator, Differentiator, Voltage to current converter - current to voltageconverters - Differential amplifiers - Comparators (inverting and non inverting mode) (Refer the weblink :https://youtu.be/4mTBO13Wv3c for op amp application as integrator https://youtu.be/41Xa9Y_k0g0 for op amp application as differentiator) UNIT 5 SIGNAL CONDITIONERS …..10PERIODS 5.1 Operational amplifier with capacitive transducer – Operational amplifier as Instrumentation amplifiers – Bridge amplifier – active filters using op.amp - LPF, HPF – LPF as integrator - HPF as differentiator - Clipper, Clamper using op.amp. Successive Approximation ADC - R - 2R ladder network DAC - wein bridge oscillator using op.amp - op. amp as Zero crossing Detector (Refer the weblink :https://youtu.be/bXUfDLF4MVc for op amp application in ADC R- 2R Ladder Network)

TEXT BOOK

YEAR OF S.NO. TITLE AUTHOR PUBLISHER PUBLISHING/EDITION

1. Transducers DVS Prentice Hall of India, New 2009, Second Edition and Murty Delhi Instrumentation

REFERENCES YEAR OF S.NO. TITLE AUTHOR PUBLISHER PUBLISHING/EDITI ON Sensor and Transducers D. Patranabis Prentice Hall of 2011, Second 1 India, New Delhi Edition A Course in Electrical and 1. A.K. Sawhney Dhanpat Rai & 2010, eighteenth 2 Electronics Measurements 2. Puneet Sawhney Co (P) Ltd., edition and Instrumentation NewDelhi Measurement and Arun. K Prentice Hall of 2010, Second 3 Instrumentation India, New Delhi edition Operational Amplifiers and Robert F. Coughlin Prentice Hall of 2001, Sixth edition 4 Linear Integrated Circuits Frederick F. Driscoll India, New Delhi

Diploma in Electrical and Electronics Engineering PAGE 84

` Op. amp & Linear Integrated Ramakant. A. Prentice Hall of 2009, Fourth 5 Circuits Gayakwad India, New Delhi edition

LIST OF PROPOSED STUDENT ACTIVITIES

I. INDUSTRIAL VISITS To impart industrial visit to any one of the following industries to understand real time applications: 1. Seshasayee Paper and Boards Limited, Erode 2. Steel Authority India Limited,Salem Steel Plant,Salem- 636013. 3. Festo Elgi Private Limited, Coimbatore Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned.

II. SEMINARS

Seminars to be organized on any one of the following topics in association with the IE(I)/ISTE and the Students’ Technical Association of Electrical and Electronics Engineering Programme:

1.Transducers in Paper and Steel Industry 2. Transducers in Process Control 3. Transducers in Consumer Products

III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES:

1. LABVIEW, MULTISIM 2. www.nptel.iitg.ernet.in 3. www.electronicdesign.com 4.www.sensing.honeywell.com 5.www.te.com/usa-en/industries/sensor 6.www.spminstrument.com 7.www.appmeas.co.uk 8.www.electronics-tutorials.ws

Diploma in Electrical and Electronics Engineering PAGE 85

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL & ELECTRONICS ENGINEERING TRANSDUCERS & SIGNAL CONDITIONERS Model Question Paper I Year/Sem: II / IV Max. Marks : 75 Code no: 15O – 3303 Time : 3 Hrs PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. Define transducer. I R 2. What is corrugation of bellows? I R 3. What is thermistor? II R 4. Mention the applications of semiconductor strain gauges. II R 5. Mention the principle of solar cell. III R 6. What is differential amplifier? IV R 7. Define slew rate. IV R 8. Define zero crossing detector? V R PART-B (5 X 3 = 15 marks)

Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. Draw the rod type and probe type thermistors. I R 10. What is mean by variable area method? II R 11. Define tachogenerator. II R 12. State the principle of photoconductive transducer. III R 13. Draw the block diagram of AC signal conditioning system. IV R 14. Write short notes on low pass filter. V R 15. Define clipper. What are the types of clipper? V R 16. Write the pin details of IC 741. IV R

Diploma in Electrical and Electronics Engineering PAGE 86

PART-C (5 x 10 = 50 marks) Bloom’s Note: (i) Answer allthe questions choosing either sub-division (A) Taxono Unit Maximum or sub-division (B) of each question. my Marks Level (ii) All questions carry equal marks. 17. A. Briefly explain the classification of transducers. Give example in I R 10 each. OR i) With a neat sketch, explain shaft encoder. I R 5 ii) Explain digital encoding transducer. I R 5 18. A. With neat sketches explain the operation of LVDT, and list out II R 10 its uses. OR B. i) Explain thin film strain gauges. II R 5 ii) Explain the capacitive transducer and its application. II R 5 19. A. With neat diagram explain piezoelectric pressure transducer. III R 10 OR

B. i) Explain the toothed rotor tachogenerator. III R 5

ii) Explain the hall effect transducer. III R 5 20. A. Explain comparator using op-amp with circuit and waveforms. IV Ap 10 OR

B. i) Show how an op-amp can be used as subtractor. IV Ap 5 ii) Show how an op-amp can be used as adder. IV Ap 5 21. A. With neat sketch explain the operation of successive V U 10 approximation ADC using op-amp. OR B. i) Explain negative clamper with neat diagram. V R 5 ii) Explain HPF as differentiator. V R 5

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 87

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL & ELECTRONICS ENGINEERING TRANSDUCERS & SIGNAL CONDITIONERS Model Question Paper II Year/Sem: II / IV Max. Marks : 75 Code no: 15O-3303 Time : 3 Hrs PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. Define bourdon tubes. I R 2. State any three advantages of transducers. I R 3. What is the proximity transducer? II R 4. State the basic principle of strain gauge. II R 5. Differentiate alpha particles and beta particles. III R 6. What is voltage to current converter? IV R 7. What is clipper? V R 8. Define signal conditioning. IV R PART-B (5 X 3 = 15 marks)

Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. State the advantages and disadvantages of digital encoding I R transducer. 10. Draw the diagram of Linear Variable Differential transformer. I R 11. Write the applications of proximity sensor. II Ap 12. Distinguish between piezoelectric transducer and photoelectric III U transducer. 13. Define hall effect. III R 14. Write the characteristics of Ideal OP-AMP? IV R 15. Draw the Bridge amplifier. V R 16. Write the advantages of active filter. V R

PART-C (5 x 10 = 50 marks) Note: (i) Answer allthe questions choosing either sub-division (A) Bloom’s Maximum or sub-division (B) of each question. Unit Taxono Marks my (ii) All questions carry equal marks. Level 17. A. With neat sketch explain the construction and working of metal I R 10 resistance thermometer. OR i) Write notes on bourdon tubes and bellows. I R 5 ii) Discuss about thermistors. I R 5

Diploma in Electrical and Electronics Engineering PAGE 88

` 18. A. What is an inductive transducer? Discuss how is it used in the II Ap 10 pressure measurement? OR B. i) Explain capacitor voltage divider method? II R 5 ii)Explain foil strain gauge II R 5 19. A. Explain the construction and working of Geiger-muller tube in III R 10 radiation measurement. OR

B. i) Write a note on electro dynamic vibration transducer with III U 5 diagram.

ii) Explain inductive tachogenerator? III U 5 20. A. Explain the inverting and non- inverting mode operation of op- IV Ap 10 amp and derive equation for gain. OR

B. i) Show how an op-amp is used as differential amplifier. IV Ap 5 ii) Explain DC signal conditioning? IV R 5 21. A. With neat sketch explain the operation of R-2R ladder network V U 10 DAC? OR B. i) With diagram explain negative clipper. V R 5 ii) With diagram explain bridge amplifier. V R 5

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 89

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : IV Course Code : 15O - 3304 Course Name : ELECTRICAL MACHINES AND INSTRUMENTATION PRACTICAL

COURSE OUTCOMES

15O – 3304Electrical Machines and Instrumentation Practical On successful completion of this course, students should be able to : Predetermine the regulation of alternator using different methods and to C405.1 determine the efficiency by conducting load test and also synchronizing 3φ alternators. : Analyze the performance characteristics of Induction motor using circle C405.2 diagram determine the efficiency of 1φ and 3φ induction motor by load test and to improve the power factor. : Measure the electrical parameters such as resistance, inductance,and C405.3 capacitance using various bridges. C405.4 : Calibrate ammeter, voltmeter, and wattmeter and energy meter. C405.5 : Measure earth resistance using megger and displacement using LVDT

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C405.1 3 3 3 2 2 2 2 2 2 3 3 2 C405.2 2 3 3 2 2 2 2 2 2 3 3 2 C405.3 2 3 3 2 2 2 2 2 2 3 3 2 C405.4 2 3 3 2 2 2 2 2 2 3 3 2 C405.5 2 3 3 2 2 2 2 2 2 3 3 2 Total 11 15 15 10 10 10 10 10 10 15 15 10 Correlation 2.2 3 3 2 2 2 2 2 2 3 3 2

Diploma in Electrical and Electronics Engineering PAGE 90

` Level LAB EXERCISES

1. Predetermine the regulation of alternator. 2. Load test on 3 phase alternator. 3. Synchronisation of 3Ф alternators. 4. Load test on 1 phase induction motor. 5. Load test on 3 phase induction motor. 6. Determine the equivalent circuit constants of 3 phase induction motor. 7. Predetermine the performance of a 3 phase induction motor. 8. Improvement of power factor of an induction motor with load. 9. Calibration of given ammeter and voltmeter. 10. Calibration of given wattmeter. 11. Calibration of 3 phase energy meter. 12. Measurement of alternator winding resistance using Wheatstone bridge 13. Measurement of value of unknown capacitance using Schering Bridge. 14. Measurement of value of unknown inductance using Anderson Bridge. 15. Displacement measurement using LVDT. 16. Measurement of earth resistance by using megger.

EQUIPMENTS REQUIRED

QUANTITY S.NO LIST OF EQUIPMENTS REQUIRED 1. Three Phase Squirrel cage Induction motor 5 HP, 440V,1440 rpm 2 with starting and loading arrangement 2. Three Phase Squirrel cage Induction motor 5 HP,440V,1440 rpm 1 without starting and loading arrangement 3. Three phase Slip ring Induction motor 5HP, 440V, 940/1450 rpm withstarting and 1 loading arrangement 4. Single phase induction motor with staring and loading arrangement 1 2HP, 250V, 10A, 1440 rpm. 5. Wheatstone bridge. 2 6. Anderson Bridge. 2 7. Schering Bridge. 2 8. 1 Phase Energy meter induction type, 250V, 10A. 2 9. 3 Phase Energy meter Induction type 440V, 10/20A. 2 10. Earth megger with necessary connecting leads and rods. 1 11. 3 phase Alternator with prime mover. 2

Diploma in Electrical and Electronics Engineering PAGE 91

` 12. Synchronizing panel. 1 13. PF meter (power factor meter). 2 14. LVDT trainer. 2 15. 3 phase capacitor bank rating of 1KVAR, 400/440 V. 1

SCHEME OF VALUATION

S.No. NAME OF THE ACTIVITY MARKS ALLOCATED 1. Circuit Diagram 20 2. Connection 25 3. Execution and Handling of Equipments 15 4. Output and Result 10 5. Viva Voce 05 TOTAL 75

Diploma in Electrical and Electronics Engineering PAGE 92

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : Electrical and Electronics Engineering Semester : IV Course Code : 15O-3209 Course Name : INTEGRATED CIRCUITS PRACTICAL TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Instructions Examination Semester Course Periods/ Periods / Continuous Duration End Total week Semester Assessment Examinations INTEGRATED CIRCUITS 6 90 25 75 100 3 Hours PRACTICAL

COURSE OUTCOMES

15O – 3209Integrated Circuits Practical On successful completion of this course, students should be able to : Design binary adder, subtractor, encoder and decoder circuits using logic C406.1 gates. : Analyze the performance of MUX, De-MUX, Shift Register, Counter and Flip- C406.2 flops. : Compare the performance of operational amplifier in various applications C406.3 such as inverting, non-inverting amplifier, adder and subtractor C406.4 : Acquire hands on experience in working with Timer IC 555 : Realize the working of operational amplifier circuits using MULTIsim C406.5 software.

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C406.1 3 3 3 3 - - - 3 2 3 3 2 C406.2 2 3 3 3 - - - 3 2 3 3 2 C406.3 2 3 3 3 - - - 3 2 3 3 2 C406.4 2 3 2 3 - - - 3 2 3 3 2 C406.5 2 3 3 3 - - - 3 2 3 3 2 Total 11 15 14 15 - - - 15 10 15 15 10 Correlation 2.2 3 2.8 3 - - - 3 2 3 3 2 Level

Diploma in Electrical and Electronics Engineering PAGE 93

LAB EXERCISES

Note: At least 5 experiments should be constructed using breadboard

1. Verification of truth table of OR, AND, NOT, NOR, NAND, EX-OR gates. 2. Realization of basic gates using NAND & NOR gates. 3. Realization of logic circuit for a given Boolean expression.. 4. Construct Half adder and Full adder circuits using discrete IC’s and verify its truth table. 5. Construct Half subtractor, full subtractor using discrete IC’s. 6. Construction and verification of truth table for Decoder/Encoder. 7. Multiplexer/De-multiplexer usingEx-OR Gates and discrete IC’s. 8. Parity generator and checker using discrete IC’s. 9. Construction and verification of truth table for RS, D, T, JK, flip-flops. 10. 4- bit ripple counter using JK Flipflop 11. Single digit counter using 7490, 7475, 7447 & seven segment LED. 12. Construct and test the operation of Shift registers. 13. Construct and test the Inverting Amplifier and Non inverting Amplifier with AC signal using OPAMP. 14.Construct and test the Summing amplifier & Differential amplifier using Opamp. 15. Construct and test the Astable and Monostable multivibrator using IC 555. 16. Construct and test the performance of 4 bit binary adder using IC 7483. 17. Simulate the clippers and clampers using the simulation tool like PSPICE/ Multisim/Orcad/Tina 18. Simulste the inverting and non inverting amplifier, voltage follower, Integrator, Differentiator, Summing amplifier, Difference amplifier (any 3) using the simulation tool like PSPICE/ Multisim/Orcad/Tina 19. Simulate the heartley and phase shift oscillator, sine, square and triangular waveform generators and precision rectifiers(any 3) using the simulation tool like PSPICE/ Multisim/Orcad/Tina

Diploma in Electrical and Electronics Engineering PAGE 94

EQUIPMENTS REQUIRED

S.No. Name of the Equipment Quantity Required 1. IC Trainer kit 10 2. DC Power Supply (0-30V) 06 3. Cathode ray Oscilloscope 02 4. Function Generator 02 5. DC voltmeter (0-30V) 06 6. Digital Multimeter 02

SCHEME OF VALUATION

S.No. NAME OF THE ACTIVITY MARKS ALLOCATED 1. Circuit Diagram and Truth Table 30 2. Connections 15 3. Verification of Truth table / Readings and 15 Graph 4. Result 10 5. Viva Voce 05 TOTAL 75

Diploma in Electrical and Electronics Engineering PAGE 95

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : IV Course Code : 15O-3305 Course Name : COMPUTER AIDED ELECTRICAL DRAWING PRACTICAL

TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods / Periods/ Continuous Semester End Total week Semester Assessment Examinations COMPUTER AIDED ELECTRICAL 6 90 25 75 100 3 Hours DRAWING PRACTICAL

COURSE OUTCOMES

15O – 3305Computer Aided Electrical Drawing Practical On successful completion of this course, students should be able to C407.1 : Draw the symbols used in electrical and electronics engineering : Construct the single line diagram for single phase and three phase C407.2 distribution boards and MV panel and SSB : Outline the single diagram for intercom and fire alarm circuits of multi storey C407.3 buliding C407.4 : Develop[ the winding diagram of DC and AC motors C407.5 : construct the control and main circuits of automatic star delta starter

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C406.1 3 3 3 3 - - - 1 3 2 3 2 C406.2 3 3 3 3 - - - 1 3 2 3 2 C2406.3 3 3 3 3 - - - 1 3 2 3 2 C406.4 3 3 3 3 - - - 1 3 2 3 2 C406.5 3 3 3 3 - - - 1 3 2 3 2

Diploma in Electrical and Electronics Engineering PAGE 96

` Total 15 15 15 15 - - - 5 15 10 15 10 Correlation 3 3 3 3 - - - 1 3 2 3 2 Level

LAB EXERCISES PART-A ELECTRICAL SYMBOLS-DRAWING

1. Draw the symbols for components: Resistor, Capacitor, Inductor, Diode, Transistor, FET, SCR, UJT, TRIAC, DIAC, and Gates AND, OR, NOT, NAND, NOR, EXOR. 2. Draw the symbols used in electrical wiring: Relays, contactors, fuses, main switch, electric bell, earth, DPST, DPDT, TPST, Neutral link. 3. Draw the symbols for instruments: Ammeter, Voltmeter, Wattmeter, Energy meter, Frequency meter, Power factor meter, Timer and Buzzers. 4. Draw the symbols for machines: Armatures, Alternators, Field winding (Shunt, Series and Compound) Transformer and Autotransformer.

PART-B

ELECTRICAL CONNECTION DIAGRAMS- DRAWING

1. Draw the Single Line diagram of Single phase MCB Distribution board. 2. Draw the Single Line diagram of three phase MCB Distribution board. 3. Draw the Single Line diagram of typical MV Panel. 4. Draw the Single Line diagram of Lighting Distribution Board (LDB). 5. Draw the Single Line diagram of Motor Control Centre (MCC) Panel. 6. Draw the Single Line diagram of fire alarm riser arrangement in multi-storey building. 7. Draw the Single Line diagram of intercom arrangement in multi-storey building. 8. Draw the front end schematic diagram of typical Sub switch board (SSB). 9. Draw the winding diagram of lap connected DC armature with commutator connections and brush positions. 10. Draw the control and main circuit of automatic star delta starter. 11. Draw the mush winding diagram of a three phase induction motor. 12. Draw the concentric winding diagram of a single phase induction motor. 13. Draw the single line diagram of 110 kV / 11 kV receiving substation.

NOTE : 1. Five symbols should be asked from part A exercise 1to 4 with at least one from each. 2. One sketch should be asked from part B exercise 1 to 13. 3. Printed output of the given symbols and sketch is to be evaluated

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LIST OF EQUIPMENTS

S.No NAME OF THE EQUIPMENT QUANTITY REQUIRED 1. PC – Pentium Dual Core 30 2. Electrical CAD Software multi user 01 3. UPS – 5KVA with half an hour battery backup 01

SCHEME OF VALUATION

S.NO NAME OF THE ACTIVITY MARK ALLOCATION 1. Symbols In CAD 10 2. Manual Drawing Of Electrical Connection Diagram 10 3. Electrical Connection Diagram In CAD 40 4. Print Out 10 5. Viva Voce 05 Total 75

Diploma in Electrical and Electronics Engineering PAGE 98

SEMESTER V

Diploma in Electrical and Electronics Engineering PAGE 99

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : V Course Code : 15O - 3306 Course Name : GENERATION, TRANSMISSION AND SWITCHGEAR

TOPICS AND ALLOCATION OF PERIODS Unit No Topic No of Periods I GENERATION OF ELECTRICAL POWER 13 II A.C. AND H.V.D.C TRANSMISSION 13 III LINE INSULATORS AND UNDERGROUND CABLES 12 IV CIRCUIT BREAKERS AND OVER VOLTAGE PROTECTION 12 V PROTECTIVE RELAYS AND GROUNDING 12 INDUSTRIAL VISIT 04 CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 09 Total 75

COURSE OUTCOMES

15O – 3306Generation , Transmission and Switchgear On successful completion of this course, students should be able to : Illustrate the concepts and working of conventional, Non-conventional power C501.1 plants and interpret the economics of power plants : Analyse the elements of AC Transmission system. Solve the problems C501.2 pertaining to Sag, Regulation and Efficiency of transmission line

Diploma in Electrical and Electronics Engineering PAGE 100

` C501.3 : Outline the significance of HVDC transmission system and its types : Explain the types, consruction, testing, applications of Insulators and C501.4 Underground cables. Solveproblems in string efficiency : summarize the principles of operation of different types of Circuit breakers, C501.5 Fuses andLightning arresters : Summarise the operation of relays and CB’s. Relate the importance of C501.6 grounding with various grounding methods

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C501.1 2 3 2 - 2 2 1 1 2 2 3 - C501.2 2 3 2 - 2 2 1 1 2 2 3 - C501.3 - 3 2 - 2 - 1 1 2 2 3 - C501.4 2 3 2 - 2 2 1 1 2 2 3 - C501.5 - 3 2 - 2 2 1 1 2 2 3 - C501.6 2 3 2 - 2 2 1 1 2 2 3 - Total 8 18 12 - 12 10 6 6 12 12 18 - Correlation 1.3 3 2 - 2 1.6 1 1 2 2 3 - Level

DETAILED SYLLABUS

UNIT 1 GENERATION OF ELECTRICAL POWER ……13 PERIODS Conventional Power Plants: 1.1 4Per Introduction– Conventional methods of power generations –schematic arrangement and choice of site for Hydel, Thermal, Nuclear powerplants– Advantages and Disadvantages–comparison of these power plants –Principle and types of co– generation (Refer the weblinks :https://www.youtube.com/watch?v=–hooifWJ1jY for Hydro Power Gneration, https://www.youtube.com/watch?v=IdPTuwKEfmA for Thermal Power Generation) Non–Conventional Power Plants: 1.2 4Per Schematic arrangement of Diesel, Gas, Pumped storageschemes–Advantages and Disadvantages– Renewable Energy sources–Basic principle of Solar Energy, Grid Connected Solar PV System,Standalone SolarPV System, Hybrid Solar PV System, WindPowerGeneration. (Refer the weblink : https://www.youtube.com/watch?v=RRvyoAhuhtA for Pumped Storage Power plant https://www.youtube.com/watch?v=GZKKWz_tX1c for Gas Power plant https://www.youtube.com/watch?v=D34NpCwMP4s for Diesel Power plant https://www.youtube.com/watch?v=ZdPVFJi6Qrw for Solar Power plant https://www.youtube.com/watch?v=LNXTm7aHvWc for Wind power plant)

Diploma in Electrical and Electronics Engineering PAGE 101

` Economics of Power Plants: 1.3 5Per Grid or Inter connected system–Advantages ofInter connected systems– Load Transfer through Inter connector–Load curves and Load duration curves–connected load–Average load–Maximum Demand Factor– Plant capacity factor–Load factor and its significance–Diversity factor–Tariff – Types– Factors influencing tariff, Simple problems – Load sharing between base load and peak load plants–Load Dispatching center– stand–alone system. (Refer the weblink : https://www.youtube.com/watch?v=ol4QmcTEmyYfor load curve making)

UNIT 2 A.C. AND H.V.D.C TRANSMISSION ……13 PERIODS A.C. Transmission: 9Per 2.1 Introduction–Typical Layout of A.C. Power supply scheme various system of power Transmission–Advantages and Disadvantages of A.C Transmission– High Transmission Voltage – Advantages– Economic choice of Transmission voltage–

Elements of a Transmission Line– Economic choice of conductor size–Kelvin's Law– Its limitation–over Head Line–Conductor materials and their properties–Line supports– its properties–Types of supports and their applications–spacing between

conductors–length of span–Sag in overhead lines–Calculation of Sag–When the

supports are at equal and unequal levels– Problems– Effect of wind and ice loading over the line conductor (Qualitative treatment only) –constants of a Transmission line– Transposition of Transmission lines- Skin Effect - Ferranti Effect-Corona formation and corona loss-Factors affecting corona-Advantages and Disadvantages-Classification of O.H. Transmission lines- performance of single phase short Transmission line - voltage regulation and Transmission Efficiency-Problems. (Refer the weblink : https://www.youtube.com/watch?v=Tguh8I37HrM for corona effect) H.V.D.C Transmission: 4Per 2.2 Advantages and Disadvantages of D.C Transmission–Layout Scheme and principle of High Voltage D.C Transmission–D.C link configurations (monopolar, Bipolar and Homopolar)–HVDC convertor Station(Schematic diagram only) (Refer the weblink : https://www.youtube.com/watch?v=4aRq5kUVO70 for HVDC Transmission system) UNIT 3 LINE INSULATORS AND UNDERGROUND CABLES …… 12 PERIODS Line Insulators: 3.1 7Per Introduction - Line Insulator materials-Properties of Insulators-Types & causes of failure of Insulators-Testing of Insulators-Potential Distribution over suspension Insulator String - String Efficiency - Methods of improving string efficiency- problems. (Refer the weblink: https://www.youtube.com/watch?v=MV4tuKRhMO4for composite insulators) Underground Cables: 3.2 5 Introduction-Advantages and requirement of cables-construction- of a three core Per cable-Insulating materials for cables-properties of Insulating materials used in cables-classification of cables-cables for three phase service-construction of Belted

cable, screened cable, Pressure cables-Laying of underground cables-Direct laying, Drawing System, Advantages and Disadvantages-Grading of cables- capacitance grading, Inter sheath grading (No derivation and Problems)-cable faults-O.C, S.C and Earth faults – Features Aerially Bunched Cables – Uses of Optical Fibre Cables (Refer the weblink : https://www.youtube.com/watch?v=YqhmxGedHKc for laying of underground cables)

UNIT 4 CIRCUIT BREAKERS AND OVER VOLTAGE PROTECTION ……12PERIODS

Diploma in Electrical and Electronics Engineering PAGE 102

` Switchgears: 2Per 4.1 Switch gear-Essential features of Switch gear-faults in a Power system (definition only). (Refer the weblink : https://www.youtube.com/watch?v=cTdFS4Z8gXw for switchgear) Circuit Breakers: 7Per 4.2 Basic principle of circuit Breaker -Arc Phenomenon-methods of Arc extinction-Arc voltage -Restricting voltage and recovery voltage-Rate of rise of restricting voltage- current chopping-Interruption of capacitive current -resistance switching-C.B ratings

– Breaking capacity,making capacity, short time rating - Auto reclosing in circuit Breakers -Classification of Circuit Breakers – Construction and Working principle of OilCircuit Breaker, Air blast Circuit Breaker, E.L.C.B, Miniature circuit breaker (M.C.B), Residual current circuit breaker , SF6 and vacuum Circuit Breaker - D.C breaking - Problems of D.C breaking - Schematic for HVDC CB producing current zero - Fuses- Desirable characteristics – Fuse element materials- current rating of fuse elements- fusing current-Cut off current - L.V fuses- Rewirable fuse, HRC cartridge fuse, HRC fuse with tripping device -H.V. fuses & cartridge type, liquid type and metal clad-fuses- Comparison of fuse and circuit breaker.

(Refer the weblink :https://www.youtube.com/watch?v=2Pb3y69LUYw for Air Blast circuit breaker https://www.youtube.com/watch?v=ngbMkLKpgTw for SF6 Circuit breaker https://www.youtube.com/watch?v=MN_wxMcqBuI for HRC Fuse) Over Voltage protection: 3Per 4.3 Voltage surge - causes of over voltage – Lightning - Types of lightning strokes -Direct stroke, indirect stroke - Harmful Effects of lightning -Protection against lightning- Earthing screen, overhead ground Wires Lightning arresters- Expulsion type, Gapless arrester. (Refer the weblink :https://www.youtube.com/watch?v=xxNbUiV9yp8for how lightning occurs)

UNIT 5 PROTECTIVE RELAYS AND GROUNDING ……12PERIODS 5.1 Protective Relays: 7Per Basic principle - Fundamental requirements of protective relaying- Primary and back up Protection-relay characteristics-relay timing -Instantaneous relay -Inverse time relay and Definite time lag relay- Inverse definite minimum time relay - Classification of relays-Construction, Principle of operation and applications of Induction type over current relay (Directional and Non directional), Distance relay, Differential relay, Negative sequence relay,Induction type reverse power relay, Earth leakage relay - Static

relays- Basic elements of static relay (Refer the weblink : https://www.youtube.com/watch?v=wbQiRM9p0j0for solid state relay) Grounding: 5Per 5.2 Introduction- Equipment grounding - system grounding – ungrounded Neutral system - Necessity of Neutral grounding – Methods - Solid grounding, Resistance grounding, Reactance grounding, resonant grounding -Earthing Transformer. (Refer the weblink : https://www.youtube.com/watch?v=xn4az8EuNO0 for equipment grounding)

Diploma in Electrical and Electronics Engineering PAGE 103

TEXT BOOK

S.NO. TITLE AUTHOR PUBLISHER YEAR OF PUBLISHING/EDITION

1. Principles of S.Chand & Power V.K.Metha Company Ltd., 2007 Fourth Edition Reprint System New Delhi

REFERENCES

YEAR OF S.NO. TITLE AUTHOR PUBLISHER PUBLISHING/EDITION Electrical Power System CLWadhawa New Age 1 International,Pvt.Ltd., 2009, Fourth New Delhi Edition

Dhanpath Rai &Co (P) 2009, Fourth 2 ACourseinElectricalPower Soni, Gupta Ltd, Edition

Khanna 2012, Second 3 Electrical Power S.L Uppal Publishers, New Delhi Edition HVDC Power New Age International 4 Transmission KR. Padiyar Publishers, New 2005, Reprint Edition System & Technology Delhi

LIST OF PROPOSED STUDENT ACTIVITIES

I. INDUSTRIAL VISITS To impart industrial visit to any one of the following industries to understand real time applications: 1. PSG Industrial Institute, Peelamedu, Coimbatore- 4 2. Salem steel plant, Salem-636 013 3. Swelect Energy Systems, Idappadi. Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned. II. SEMINARS Seminars to be organized on any one of the following topics in association with the IE(I)/ISTE and the Students’ Technical Association of Electrical and Electronics Engineering Programme: 1. Non-conventional Power plants 2. Introduction to Oil circuit breakers 3. Importance of Grounding III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES:

Diploma in Electrical and Electronics Engineering PAGE 104

` 1. Multisim 2. Tina 3. www.infineon.com 4. www.emersoninudstrial.com THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING GENERATION TRANSMISSION AND SWITCHGEAR Model Question Paper I Year/Sem: III / V Max. Marks : 75 Code no: 15O- 3306 Time : 3 Hrs PART-A (5 X 2 = 10marks) Note : (i) Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. Name the renewable energy sources for generating Electrical I R power? 2. Define a grid? I R

3. List the properties of conductor material. II R

4. What are the advantages of HVDC system. II R, Ap

5. What are the causes of failure of line insulators? III R

6. Explain the advantages of vacuum circuit breaker. IV U

7. What are the types of static relays. V R

8. Label the methods of laying underground cable. III R

PART-B (5 X 3 = 15marks) Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. What is the function of a surge tank in a hydro power plant? I R, An 10. What are the factors that affect corona. II U 11. Compare the merits and demerits of underground system with III E overhead system. 12. Name the methods of improving string efficiency of a line III R insulator? 13. Write the desirable characteristics of fuse? IV U 14. Explain the arcing phenomenon in a circuit breaker. IV U 15. List the requirements of a protective relay. V R

Diploma in Electrical and Electronics Engineering PAGE 105

` 16. What are the advantages of Interconnected grid system? I U

PART-C (5 x 10 = 50 marks) Note: (i) Answer allthe questions choosing either sub-division (A) Bloom’s Maximum Unit Taxono Marks or sub-division (B) of each question. my Level (ii) All questions carry equal marks. 17. A. Draw and explain the schematic diagram of nuclear power I U 10 plant? (OR) B. Generating station has a maximum demand of 50 mw. Given I Ap 10 the following data, Calculate the cost per unit delivered. Capital cost – Rs.95x105. Annual cost of fuel and oils. 9x105 Taxes, wages and salaries – Rs. 6 x 105 Rate of Interest and depreciation 10%Annual Load factor -50% 18. A. Derive the relation for Sag when supports are at un equal level. II Ap 10 (OR) B. With a neat diagram explain different types of HVDC links. II U 10 19. A. Explain the various methods of testing of insulators. III U 10 (OR) B. Explain different types of laying of cables. III U 10 20. A. Explain the construction and working principle of vacuum IV U 10 Circuit breaker (OR) B. Explain the construction and working of expulsion type IV U 10 lightning arrester. 21. A. Explain the construction and working principles of directional V U 10 over current relay. (OR) B Explain the construction and working principle of earthing V U 10 transformer

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 106

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING GENERATION TRANSMISSION AND SWITCHGEAR Model Question Paper II Year/Sem: III / V Max. Marks : 75 Code no: 15O- 3306 Time : 3 Hrs PART-A (5 X 2 = 10marks) Note : (i) Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

1. What are the basic conventional energy sources? I R

2. Define plant use factor. I R

3. What is Ferranti effect? II U

4. What are the different methods of laying UG cables. III R

5. Define re- striking voltage. IV R

6. Classify the types of fuse. IV U

7. What is static relay? V R

8. What is string efficiency? III U

PART-B (5 X 3 = 15marks) Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. What are the components involved in a gas power plant? I R 10. List the advantages of ACSR condutor. II R 11. What are the types of tests carried out in an insulator. III U 12. Give the comparision of fuse and circuit breaker. III E 13. What is restricking voltage? IV R

14. What are the requiremtns of a protectve relay? V U 15. What are Advantage of neutral grounding? V R

16. Outline the limitations of Kelvin’s law. II U

Diploma in Electrical and Electronics Engineering PAGE 107

PART-C (5 x 10 = 50 marks) Note: (i) Answer allthe questions choosing either sub-division (A) Bloom’s Maximum or sub-division (B) of each question. Unit Taxono Marks (ii) All questions carry equal marks. my Level 17. A. Draw and explain the schematic arrangement of thermal power I U 10 plant (OR) B. List and explain the advantages of interconnected system I U 10 18. A. Derive an expression for the sag in a transmission line II Ap 10 conductor suspended between two supports at the same level. (OR) B. (i) Explain how to find the regulation and efficiency of short II Ap 5 transmission lines

(ii) Explain the methods used for reducing the corona effect II U 5 19. A. (i)Bring out the reasons for the failure of Insulator. III U 5 (ii)Explain Routine test carried out in an insulator. III U 5 (OR) B. Explain the construction of belted cable and Explain III U 10 capacitance grading of U.G. Cables 20. A. Explain the construction and working principle of Sulphurhexa IV U 10 fluoride Circuit breaker and state its advantages.

(OR) B. Explain the construction and working of HRC fuse with tripping IV U 10 device

21. A. Explain the construction and working principle of earth leakage V U 10 relay (OR) B With necessary diagram explain resistance grounding. V U 10

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 108

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : V Course Code : 15O - 3307 Course Name : MICROCONTROLLER AND APPLICATIONS

TOPICS AND ALLOCATION OF PERIODS

Unit No Topic No of Periods

I ARCHITECTURE & INSTRUCTION SET OF 8051 13 II PROGRAMMING EXAMPLES 13 III I/O AND TIMER 12 IV INTERRUPT AND SERIAL COMMUNICATION 12 V INTERFACING TECHNIQUES 12 CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 9 INDUSTRIAL VISIT 4 TOTAL 75

COURSE OUTCOMES

15O – 3307Microcontroller and Applications On successful completion of this course, students should be able to : Explain the Architecture , Pin Details and instruction Set 8051 C502.1 microcontroller C502.2 : Write basic programmes of 8051 microcontroller : Outline the programming of 8051 microcontroller Input/output Ports and C502.3 Timers & Counters. : Outline the programming of 8051 microcontroller Serial Ports and C502.4 Interrupts C502.5 : Interpret the concepts of Memory and Peripheral Interfacing Techniques

Diploma in Electrical and Electronics Engineering PAGE 109

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PS01 PSO2

C502.1 2 3 - - - - - 1 1 2 3 3 C502.2 2 - 2 1 - - - 1 2 2 3 3 C502.3 - 2 2 1 - - - 1 1 1 - 2 C502.4 - 2 2 1 - - - 1 1 1 - 2 C502.5 - 3 2 - 2 2 - 1 1 2 3 3

Total 4 10 8 3 2 2 - 5 6 8 9 13

Correlation 2 2.5 2 1 2 2 - 1 1.2 1.6 3 2.6 Level

DETAILED SYLLABUS

UNIT 1 ARCHITECTURE & INSTRUCTION SET OF 8051 ..…13 PERIODS 1.1 Architecture of 8051: 8Per Comparison of Microprocessor and Microcontroller - Block diagram of Microcontroller –Functions of each block - Pin details of 8051 – ALU –ROM– RAM – Memory Organization of 8051 - Special function registers –Program Counter – PSW register – Stack - I/O Ports – Timer – Interrupt – Serial Port – Oscillator and Clock - Clock Cycle – State - Machine Cycle –Instruction cycle – Reset – Power on Reset – Overview of 8051 family. (Refer the weblink :https://youtu.be/1eYdfVa21dw for Architecture of 8051) 1.2 Instruction set of 8051: 5Per Instruction set of 8051 – Classification of 8051 Instructions - Data transfer instructions – Arithmetic Instructions – Logical instructions –Branching instructions – Bit Manipulation Instructions (Refer the weblink :https://youtu.be/1eYdfVa21dw for Instruction Set of 8051) UNIT 2 PROGRAMMING EXAMPLES ..…13 PERIODS

2.1 Assembler and addressing modes: 4Per Assembling and running an 8051 program –Structure ofAssembly Language – Assembler directives – Different addressing modes of 8051. (Refer the weblink :https://youtu.be/0RZZHWkKmm4 for Addressing modes of 8051

Diploma in Electrical and Electronics Engineering PAGE 110

` 2.2 8051 programming: 9Per Addition – Subtraction - Multibyte Addition – 8 Bit Multiplication and Division – Biggest number / Smallest number – Ascending order / Descending order - BCD to Hexadecimal Conversion – Hexadecimal to BCD Conversion – Odd Parity Generator – Even Parity Generator -Time delay routines (Refer the weblink :https://youtu.be/IrvzmHfN4wc for Programming of 8051)

UNIT3I/O AND TIMER …..12PERIODS 3.1 Programming 8051 I/O Ports: 5Per Bit addresses for I/O and RAM – I/O programming – I/O bit manipulation programming (Refer the weblink :https://youtu.be/6Dp5J3fDsWo for 8051 I/O Ports Programming 8051 Timers: 3.2 7Per Timer 0 and Timer 1 registers – Different modes of Timer – Mode 0 Programming – Mode 1 Programming - Mode 2 Programming - Counter programming – Different modes of Counter – Mode 0 Programming – Mode 1 Programming -Mode 2 Programming.

(Refer the weblink :https://youtu.be/Up1hiUttDUw for 8051 Timers)

UNIT 4 INTERRUPT AND SERIAL COMMUNICATION ..…12PERIODS Programming 8051 serial ports: 6Per 4.1 Basics of Serial programming – RS 232 Standards - 8051 connection to RS 232 – 8051 Serial Communication Programming – Programming 8051 to transmit data serially - Programming 8051 to Receive data serially. (Refer the weblink :https://youtu.be/oIt-8XQxWKI for 8051 Serial Ports

Programming 8051 interrupts: 6Per 4.2 8051 Interrupts – Programming Timer Interrupts – Programming external hardware interrupts – Programming the serial communication interrupt –Interrupt priority in 8051 (simple programs).

(Refer the weblink :https://youtu.be/nuGsQBlbx6M for 8051 Interrupts)

UNIT5INTERFACING TECHNIQUES ..…12PERIODS

5.1 IC 8255: 5Per IC 8255 – Block Diagram – Modes of 8255- Programming in mode 0 operation.

(Refer the weblink :https://www.youtu.be/QgcGmKt4jXU for 8255PPI) 5.2 Interfacing techniques: 7Per Interfacing external memory to 8051– 8051 interfacing with the 8255 – Programming – Relays – Sensor interfacing – ADC interfacing – DAC interfacing - Keyboard interfacing – Seven segment LED Display Interfacing - Stepper Motor interfacing – DC motor interfacing using PWM (Refer the weblink : https://www.youtube.com/qhgj8phbzbU for 8051 Interfacing)

Diploma in Electrical and Electronics Engineering PAGE 111

TEXT BOOKS

S.NO. TITLE AUTHOR PUBLISHER YEAR OF PUBLISHING/EDITION 8051 Microcontroller Mazidi,Mazidi Pearson 2009, Fifth Impression and Embedded and Education Low 1. Systems using D.MacKinlay Price Edition. Assembly and C

REFERENCES

S.NO. TITLE AUTHOR PUBLISHER YEAR OF PUBLISHING/EDITION

1. Microcontrollers Prentice Hall of Principles and Ajit pal India, New 2011 , Fifth Edition Applications Delhi 2. Microprocessor and R.Theagarajan SciTech 2007 , Second Edition Publication, (Reprint) Microcontroller Chennai.

LIST OF PROPOSED STUDENT ACTIVITIES

I. INDUSTRIAL VISITS To impart industrial visit to any one of the following industries to understand real time applications: 1. Jindal Steel Works Ltd., Pottenei ,Salem Dist 2. Aavin Diary, Salem 3. Sail Refractory company Ltd, Salem Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned.

II. SEMINARS Seminars to be organized on any one of the following topics in association with the IE(I)/ISTE and the Students’ Technical Association of Electrical and Electronics Engineering Department: 1. Real time Application of microcontroller 2. Embedded applications in Consumer Products 3. Interfacing Techniques

III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES: Diploma in Electrical and Electronics Engineering PAGE 112

` 1.www.engineersgarage.com 2. what-when-how.com/8051 3. www.edgefxkits.com 4. www.circuitstoday.com 5. www.8051projects.net

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING Microcontroller and Applications Model Question Paper - I Year/Sem: II / III Max. Marks : 75 Code no: 15O- 3307 Time : 3 Hrs PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. What are the Memory Capacity of RAM and ROM of 8051 I R Microcontroller? 2. What is a machine cycle? I R

3. Give an example for register indirect addressing and immediate II U addressing modes. 4. Define mode 1 operation of Timer of 8051 Microcontroller. III R

5. Name the interrupts of 8051 Microcontroller. IV R

6. Name the SFRs related to Serial Communication in 8051 IV R Microcontroller. 7. List any two features of 8255 Parallel Peripheral Interface. V R

8. Name any two assembler directives. II U

PART-B (5 X 3 = 15 marks) Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. Compare Microprocessor and Microcontroller. I U

10. What is the format of Processor Status Word? I R

11. Write the structure of Assembly Language. II R

12. What is the format of TMOD Register? III R

13. Give the pin details of RS 232 connector. IV R

Diploma in Electrical and Electronics Engineering PAGE 113

` 14. Name the modes of operation of 8255 Parallel Peripheral Interface. V R

15. Name the signals of 8051 used for external memory interfacing. V R&U

16. Give three examples for bit addressable instructions. III R&U

PART-C (5 x 10 = 50 marks) Note: (i) Answer allthe questions choosing either sub-division (A) Bloom’s Maximum or sub-division (B) of each question. Unit Taxonomy Marks (ii) All questions carry equal marks. Level 17. A. Draw the architecture of 8051 microcontroller with a neat I R&U 10 block diagram and list its main features. OR B. List the classification of instruction set of 8051 and explain I R&U 10 them with an example. 18. A. Explain the different addressing modes used in 8051 with an II Ap 10 example. OR B. Write a program using 8051 instructions to find the biggest II Ap 5 number in an array of numbers. 19. A. Explain the bit addresses of I/O ports and I/O port III U 10 programming of 8051 Microcontroller. OR B. Explain the features, functions and modes of operation of the III Ap 10 Timers of 8051. With an example explain the programming of Timer of 8051 in mode 0. 20 A. List the interrupts of 8051 with their priority and Vector IV Ap 10 location and explain the programming of any one of the interrupts. OR B. Write the program and explain the steps involved in IV Ap 10 programming the 8051 to transmit data serially. 21 A. Draw the Block Diagram of 8255 Parallel Peripheral Interface V U 10 and explain the three modes of operations. OR B. Draw the interfacing diagram of a Stepper motor with the V Ap 10 Microcontroller and write the program to control its operation.

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 114

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING Microcontroller and Applications Model Question Paper- II Year/Sem: II / III Max. Marks : 75 Code no: 15O- 3307 Time : 3 Hrs PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. What is the function of a Program Counter I U

2. What is the addressing mode of the following instructions II U (i) DJNZ RO , FAH

(ii) MOV A , @ R1 3. Define Mode 2 operation of Timers of 8051 III R

4. Give two examples of bit manipulation instructions of 8051 III R

5. Name the methods serial communication IV R

6. Name the interrupt of 8051 which has the highest priority IV R

7. Write the format of BSR mode of 8255 PPI V U

8. Write the structure of Assembly Language II R

PART-B (5 X 3 = 15 marks) Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. Discuss the overview of 8051 family I R 10. Explain register direct addressing with an example II U 11. Draw the format of TMOD register III R 12. Give the pin details of RS 232 connector IV R 13. List the features of 8255 PPI V U

Diploma in Electrical and Electronics Engineering PAGE 115

` 14. Write a program using 8051 instruction set to multiply two numbers II Ap 15. Discuss about the modes of operation of Timer of 8051 III R 16. Give the classification of 8051 Instruction set I R

PART-C (5 x 10 = 50 marks) Note: (i) Answer allthe questions choosing either sub-division (A) Bloom’s Maximum or sub-division (B) of each question. Unit Taxonomy Marks (ii) All questions carry equal marks. Level 17. A. Describe the various SFR’s of 8051 and explain the function of I R & U 10 each one of them (OR) B. Draw the architecture of 8051 microcontroller with a neat I R 10 block diagram and explain its main features. 18. A. Write a program using 8051 instruction set to find the II U & 10 minimum/maximum number in an array Ap (OR) B. Write a program using 8051 instruction set for BCD to II U & 5 Hexadecimal Conversion Ap 19. A. Explain the features, functions and modes of operation of the III Ap 10 Timers of 8051. With an example explain programming of Timer 0 of 8051 in mode 1. (OR) B. Explain Input/Output programming of 8051 Microcontroller III Ap 10 20 A. List the interrupts of 8051 with their priority and Vector IV Ap 10 location and explain the programming of any one of the interrupts (OR) B. Write the program and explain the steps involved in IV Ap 10 programming the 8051 to receive data serially 21 A. Draw the Interfacing diagram of 8255 Parallel Peripheral V Ap 10 Interface and explain the programming of 8255 in Mode0 with all the ports as output ports (OR) B. Draw the interfacing diagram of 4 digit 7 segment display with V U 10 the Microcontroller and write the program to control its operation

Note: The question paper setters are requested to follow the Revised Bloom’s Taxonomy level as presented below:

Diploma in Electrical and Electronics Engineering PAGE 116

` Bloom’s Taxonomy Lower Order Thinking Skills (LOTs) Higher Order Thinking Skills (HOTs)

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : V Course Code : 15O -3308 Course Name : ELECTRICAL ESTIMATION AND ENERGY AUDITING TEACHING AND SCHEME OF EXAMINATION No. Of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods Periods/ Continuous Semester End Total / week Semester Assessment Examinations ELECTRICAL ESTIMATION 5 75 25 75 100 3 Hours AND ENERGY AUDITING TOPICS AND ALLOCATION OF PERIODS Unit Topic No of No Periods I SYSTEMS OF INTERNAL WIRING AND EARTHING 13 II DOMESTIC AND INDUSTRIAL ESTIMATE 12 III ENERGY MANAGEMENT & AUDIT 13 IV ELECTRIC MOTORS & LIGHTING SYSTEM 12 DIESEL GENERATING SYSTEM & ENERGY EFFICIENT TECHNOLOGIES IN V 12 ELECTRICAL SYSTEMS CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 9 INDUSTRIAL VISIT 4 TOTAL 75

COURSE OUTCOMES

15O – 3308Electrical Estimation and Energy Auditing On successful completion of this course, students should be able to : define IE rules, choose conventional symbols and symbols, classify the types of C503.1 various wiring systems. : interpret the importance of protection and treatment methods on electric shock C503.2 and analyse different methods of earthing for the protection of different electrical installations.

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` : apply the knowledge to estimate the quantity of material required for domestic, C503.3 industrial, agriculture wiring electrical installations. : explain the concept and types of Energy of energy audit and compare the energy C503.4 saving approaches on induction motors and energy efficient motors : analyse the energy saving opportunities in Transformer, Induction motor, C503.5 lighting and DG system. : Outline energy assessment of diesel conservation avenues and Energy Efficient C503.6 Technologies in Electrical Systems CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2

C503.1 - - 3 2 2 - 2 - 2 2 2 2 C503.2 - - 3 2 2 - 2 - 2 2 2 2 C503.3 - 2 3 2 - - 2 2 2 2 2 2 C503.4 - - 3 2 - - - 2 2 2 2 2 C503.5 - 2 3 2 2 - - - 2 2 2 2 C503.6 - 2 3 - 2 2 2 - 2 2 2 2

Total - 6 18 10 8 2 8 4 12 12 12 12

Correlation - 2 3 2 2 2 2 2 2 2 2 2 Level

DETAILED SYLLABUS

UNIT 1 SYSTEMS OF INTERNAL WIRING AND EARTHING ……13 PERIODS Need of electrical symbols – List of symbols – Brief study of important Indian 1.1 Electricity Rules 1956 – CEAR 2010 regulations - Methods of representation for wiring diagrams – Looping back system and Joint box systemand tree system of wiring - Types of internal wiring – Service

connection (Overhead and Underground) - Protection of electrical installation against overload, short circuit and earth fault –protection against electric shock – Effects of electric shock –Recommended first aid for electric shock - Treatment for electric shock - Construction and working of ELCB – Overview of BusbarTrunking and Cable tray.

Necessity – General requirements of Earthing – Earthing and Soil Resistivity – Earth electrodes – Methods of earthing -Plate earthing - Pipe earthing - Rod earthing - Chemical earthing – Soil Resistivity –Methods of improving earth resistance - Size of earth continuityconductor - Difference between Neutral and Earth Wires - Safety

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` signs showing type of PPE to be worn, Prohibition Signs, Warning Signs, Mandatory Signs, Advisory or Safe Condition Signs.

(Refer the weblink :https://www.youtube.com/watch?v=7EL7x3k35wg , for electrical estimation and https://www.youtube.com/watch?v=UcmLPywK5Q4 forTypes of Wires, Plugs & Receptacles)

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` UNIT2 DOMESTIC AND INDUSTRIAL ESTIMATE ..…12 PERIODS 4 2.1 General requirements of electrical installations for Residential, Commercial and Per Industrial – Lighting and power sub-circuits – Diversity factor for sub circuits - Location of outlets,control switches, main board and distribution boards – Permissible voltage drops and size of wires - Steps to be followed in preparing electrical estimate. Estimate the quantity of material required in Electrical Installationfor 8 2.2 1. Small residential building/Flat . Per 2. Factory Lighting scheme. 3. Computer centre having 10 computers, a/c unit, UPS, light and fan. 4. Street Light service having 12 lamp light fitting. 5. Workshop with one number of 3Ф, 15hp induction motor. 6. Small Workshop with 3 or 4 Machines. 7. Roof top Solar Photo Voltaic system. 8. Solar pumping system for irrigation. (Referweblinks:https://www.youtube.com/watch?v=pKHTmhOeyLghttps://www.youtube.co m/watch?v=umvd4183vZE for Roof top SPV system and https://www.youtube.com/watch?v=hJ60bcFB_50 for Solar Pumping System) UNIT 3 ENERGY MANAGEMENT & AUDIT AND ELECTRICALSYSTEM ……13 PERIODS 3.1 Energy Management & Audit: 7 Definition, Energy audit- need, Types of energy audit,Energy management (audit) Per approach- Understanding energy costs, Benchmarking, Energy performance, Matching energy use to requirement, Maximizing system efficiencies,Optimizing the input energy requirements, Fuel and energy substitution, Energy audit Instruments. 3.2 Electrical system: 6 Introduction to types of tariffs - Electricity billing, Electrical load management and Per maximum demand control, Power factor improvement and its benefit, Selection and location of capacitors, Performance assessment of PF capacitors, Distribution and transformer losses. (Refer weblinks: https://www.youtube.com/watch?v=8eKpfjnT0ro ,https://www.youtube.com/watch?v=mZGo2Qc1jJU for energy audit and energy management) UNIT 4 ELECTRIC MOTORS & LIGHTING SYSTEM ……12 PERIODS Electric motors: 7 4.1 Types, Losses in induction motors, Motor efficiency, Factors affecting motor Per performance, Rewinding and motor replacement issues, Energy saving opportunities with energy efficient motors. 5 4.2 Lighting System: Light source, Choice of lighting, Luminance requirements, and Energy Per conservation avenues. ( Refer weblinks: https://www.youtube.com/watch?v=qq5QMEDqQWA for Energy Efficient Motors and https://www.youtube.com/watch?v=lOlrDVfAVE0 for Energy efficient lighting)

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` UNIT 5 DIESEL GENERATING SYSTEM & ENERGY EFFICIENTTECHNOLOGIES IN ELECTRICAL SYSTEMS ….12PERIODS 5.1 Diesel Generating System: 5 Per Factors affecting selection, Energy performance assessment of diesel conservation avenues. 5.2 Energy Efficient Technologies in Electrical Systems: 7 Per Maximum demand controllers, Automatic power factor controllers, Energy efficient motors, Soft starters with energy saver, Variable speed drives, Energy efficient transformers, Electronic ballast, Occupancy sensors, Energy efficient lighting controls, Energy saving potential of each technology. (Refer weblinks: https://www.youtube.com/watch?v=Sn3aRBjAqDw for Energy efficient technologies) TEXT BOOKS

S.NO. NAME OF THE BOOK AUTHOR PUBLISHER YEAR OF PUBLISHING / EDITION

Electrical Design Estimating K.B.Raina& New 2011, 1. And Costing S.K.Battacharya ageInternationalLtd ReprintEdition Book 1 - General Aspects of Bureau ofenergy 2005, Second 2. Energy Management and - efficiency,new Delhi Energy Audit Edition Book 3 – EnergyEfficiency In Bureau ofenergy 2005, Second 3. - Electrical Utilities efficiency,new Delhi Edition LIST OF PROPOSED STUDENT ACTIVITIES I. INDUSTRIAL VISITS To impart industrial visit to any one of the following industries to understand real time applications: 1. Indo Aussie Pvt. Ltd., Salem 2. Special Maintance, Tamil nadu Electricity Board (TNEB), Salem 3. Alpha Agritech promoters, Salem 4. Swelect Pvt. Ltd., Edappadi. Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned. II. SEMINARS Seminars to be organized on any one of the following topics in association with the IE(I)/ISTE and the Students’ Technical Association of Electrical and Electronics Engineering Programme: 1. Solar power generation 2. Scope for Energy aditing in Industries 3. Energy Saving devices and equipements III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES: 1. Multisim, ORCAD

2. www.homerenergy.com 3. www.electricalresources.com 4. www.learnelectricalestimating.com

Diploma in Electrical and Electronics Engineering PAGE 121

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING ELECTRICAL ESTIMATION AND ENERGY AUDITING Model Question Paper – I Year/Sem: III / VI Max. Marks : 75 Course Code: 15O-3308 Time : 3 Hrs PART-A (5 X 2 = 10marks) Bloom’s Unit Taxonomy Note : (i)Answer any FIVE Questions out of which question No. 8 is compulsory Level (ii) All questions carry equal marks

1 Draw the symbol for the following a)3 phase auto-transformer b) Rewireable Fuse I R 2 List different types of internal wiring I R 3 What are the requirements for a domestic electrical installation? II R 4 Name the energy audit instruments. III R 5 Define energy audit. IV U 6 List the different types of energy loss in induction motor IV R 7 State different light source. V U 8 State electricity billing. III U PART-B (5 X 3 = 15marks) Note: (i)Answer any FIVE Questions out of which question No. 16 is compulsory Bloom’s Unit Taxonomy (ii) All questions carry equal marks Level 9. What is service connection? I U 10. List any three points to be considered for selection of wiring. I R 11. What is meant by schedule of materials? II U 12. List any three differences between Commercial and Industrial consumers. III R 13. State electrical load management. III U 14. Give the selection and location of capacitor. IV U 15. Define energy efficient motors IV U 16 State the factors affecting the selection of diesel generating system. V R PART-C (5 x 10 = 50marks) Bloom’s Note: (i) Answer allthe questions choosing either sub-division (A) or sub- Taxono division (B) of each question. Unit Maximum my (ii) All questions carry equal marks Marks Level 17. A I Explain the construction and working of ELCB. I U 5 II Explain the recommended first aid for electric shock. I R 5 OR List the methods used for improving the earth resistance and B I I U 10 explain any one method.

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` Estimate the quantity of materials required for wiring a Computer centre of size 10m x 6m x 3m height, having the following electrical 18. A I load. Number of computer system:10, No. Tube Light Fitting: 10, II Ap 10 No. of ceiling fan: 05 Window model A/C unit: 1.5 ton, 2ton No. of Scanner: 1, No. of Printer: 2, UPS - 5 KVA: 1 OR In a street, 12 tubular, lamp posts of height 7 meters, are to be erected with a span of 30 meters. Each lamp post is to be fitted with one 4 feet tube light with outdoor type fittings. Estimate the B I quantity of materials required for the installation by assuming II Ap 10 suitable data. Underground cable may be used for the connection of the lamp post. 19. A I Explain the needs of energy audit. III U 5 II Describe working any two types of energy audit instruments. III U 5 OR Explain the Power factor improvement and its benefit in B I detail. III U 10 Write a short note about rewinding and motor replacement 20. A I IV U 5 issues. II Explain the energy saving conservation avenues. IV R 5 OR B I Describe the factors affecting the motor performance. IV U 10 21. A I State the advantages of Electronics ballast. V R 5 II Explain the use of occupancy sensor. V U 5 OR Explain the energy performance assessment of diesel conservation B I V U 10 avenues. Note: The question paper setters are requested to follow the Revised Bloom’s Taxonomy level as presented below: Bloom’s Taxonomy Lower Order Thinking Skills (LOTs) Higher Order Thinking Skills (HOTs)

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 123

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING ELECTRICAL ESTIMATION AND ENERGY AUDITING Model Question Paper – II Year/Sem: III / VI Max. Marks : 75 Course Code: 15O-3308 Time : 3 Hrs

PART-A (5 X 2 = 10marks) Bloom’s Unit Taxonomy Note : (i)Answer any FIVE Questions out of which question No. 8 is compulsory Level (ii) All questions carry equal marks

1 Draw the symbol for the following a)3 phase auto-transformer b) Rewireable Fuse I R 2 List different types of internal wiring I R 3 What are the requirements for a domestic electrical installation? II R 4 What is meant by electricity billing. III U 5 Name the energy audit instruments. IV U 6 Define energy audit. IV R 7 List the different types of energy loss in induction motor V U 8 State different light source. III U PART-B (5 X 3 = 15marks) Note: (i)Answer any FIVE Questions out of which question No. 16 is compulsory Bloom’s Unit Taxonomy (ii) All questions carry equal marks Level 9. What is service connection? I U 10. List any three points to be considered for selection of wiring. I R 11. What is meant by schedule of materials? II U 12. List any three differences between Commercial and Industrial consumers. III U 13. State electrical load management. III U 14. How do you select a capacitor and its location for a load? IV U 15. Define energy efficient motors IV U 16 State the factors affecting the selection of diesel generating system. V R

Diploma in Electrical and Electronics Engineering PAGE 124

` PART-C (5 x 10 = 50marks) Bloom’s Note: (i) Answer allthe questions choosing either sub-division (A) or sub- Taxono division (B) of each question. Unit Maximum my Marks (ii) All questions carry equal marks Level 17. A I Explain the construction and working of ELCB. I U 5 II Explain the recommended first aid for electric shock. I R 5 (OR) List the methods used for improving the earth resistance and B I I U 10 explain any one method. Estimate the quantity of materials required for wiring a Computer centre of size 10m x 6m x 3m height, having the following electrical 18. A I load. Number of computer system:10, No. Tube Light Fitting: 10, II Ap 10 No. of ceiling fan: 05 Window model A/C unit: 1.5 ton, 2ton No. of Scanner: 1, No. of Printer: 2, UPS - 5 KVA: 1 (OR) In a street, 12 tubular, lamp posts of height 7 meters, are to be erected with a span of 30 meters. Each lamp post is to be fitted with one 4 feet tube light with outdoor type fittings. Estimate the B I quantity of materials required for the installation by assuming II Ap 10 suitable data. Underground cable may be used for the connection of the lamp post.

19. A I Explain the needs of energy audit. III U 5 II Describe working any two types of energy audit instruments. III U 5 (OR) Explain the Power factor improvement and its benefit in detail. B I III U 10

20. A I Write a short note about rewinding and motor replacement issues. IV U 5

II Explain the energy saving conservation avenues. IV R 5 (OR) B I Describe the factors affecting the motor performance. IV U 10 21. A I State the advantages of Electronics ballast. V R 5 II Explain the use of occupancy sensor. V U 5 (OR) Explain the energy performance assessment of diesel conservation B I V U 10 avenues. Note: The question paper setters are requested to follow the Revised Bloom’s Taxonomy level as presented below: Bloom’s Taxonomy Lower Order Thinking Skills (LOTs) Higher Order Thinking Skills (HOTs)

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 125

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : V Course Code : 15O - 3309 Course Name : MICROCONTROLLER AND APPLICATIONS PRACTICAL TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods Periods / Continuous Semester End Total / week Semester Assessment Examinations MICROCONTROLLER AND APPLICATIONS 4 60 25 75 100 3 Hours PRACTICAL

COURSE OUTCOMES

15O – 3309Microcontroller and Applications Practical On successful completion of this course, students should be able to : Learn about the hardware and software requirements of a 8051 C506.1 microcontroller based system : Write and execute assembly level programmes of 8051 microcontroller for C506.2 Arithmetic operations , code conversions and arrays : Write and execute assembly level programmes of 8051 microcontroller for C506.3 solving mathematical problems and study the limitations. : Write and execute assembly level programmes of 8051 microcontroller for C506.4 understanding the operation of 8051 Timers, Counters and Input/Output ports : Learn the concepts of interfacing techniques of 8051 Microcontroller and C506.5 verify the results for basic applications

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2

C506.1 - 2 3 - - - - 2 2 3 2 3 C506.2 2 - 3 2 - - - 2 2 3 2 3 C506.3 2 - 3 2 - - - 2 2 2 2 3 C506.4 - 2 3 2 - - - 2 2 2 2 3 C506.5 - 2 3 2 2 2 - 2 2 3 2 3 Total 4 6 15 8 2 2 - 10 10 13 10 15 Correlation 2 3 3 2 2 2 - 2 2 2.6 2 3

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` Level

LIST OF EXPERIMENTS

Part-A PROGRAMMING EXPERIMENTS

1. Study of Microcontroller Kit 2. Addition and Subtraction (Decimal and Hexadecimal) 3. Multi-byte Addition 4. Multiplication and Division 5. Maximum and Minimum value in an array 6. Arranging the given data in Ascending order 7. Parity bit generation 8. Program for using timer / Counter of 8051 9. Least Common Multiple 10. Program using I/O ports of 8051 11. BCD to Hex and Hex to BCD Conversion 12. Square root of a given number 13. Hex to ASCII and ASCII to Hex conversion. Part – B

INTERFACING WITH APPLICATION BOARDS

Minimum of six experiments to be conducted

1. Interfacing Digital I/O board 2. Interfacing Matrix keyboard 3. Interfacing seven segment LED displays 4. Interfacing Traffic light control 5. Interfacing 8 bit ADC 6. Interfacing 8 bit DAC 7. Interfacing STEPPER MOTOR 8. Interfacing DC motor 9. Sending data through serial port between controller kits

EQUIPMENTS REQUIRED S.No. LIST OF EQUIPMENTS QUANTITY REQUIRED 1 8051 Microcontroller Kit 15 nos. INTERFACING BOARDS 1 Digital I/O 2 nos. 2 Matrix keyboard 2nos. 3 Seven segment LED displays 2nos. 4 8 bit ADC 2nos. 5 8 bit DAC 2nos. 6 STEPPER MOTOR 2nos.

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` 7 Traffic Light Control 2nos. 8 DC Motor Interface

SCHEME OF VALUATION MARK S.No NAME OF ACTIVITY ALLOCATION 1 8051 Program – writing 25 2 8051 Program Execution 25 3 Output and Result 10 4 Viva-voce 05 Total Marks 75 Note: The Intel 8051 Microcontroller OPCODE Sheet is to be provided to the students during the time of Practical Examinations.

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THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : V Course Code : 15O - 3310 Course Name : ELECTRICAL CIRCUITS SIMULATION PRACTICAL

TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods Periods / Continuous Semester End Total / week Semester Assessment Examinations ELECTRICAL CIRCUITS SIMULATION 4 60 25 75 100 3 Hours PRACTICAL for commercial implementation. Simulation software is available for all Engineering fields. Here is an attempt to impart the knowledge of using simulation software for realizing some of the Electrical and Electronics circuits for the Diploma students.

COURSE OUTCOMES

15O – 3310Electrical Circuits and Simulation Practical On successful completion of this course, students should be able to C505.1 : Know the various aspects of simulation software C505.2 : Simulate and test the simple electrical and electronics circuits C505.3 : Simulate and test the wave generating circuits C505.4 : Simulate and prove the simple theorems C505.5 : Simulate and test the performance characteristics of converters : Design and verify the results of various electric circuits using simulation C505.6 software

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C505.1 2 3 3 3 - - 1 2 2 2 2 3 C505.2 2 3 3 3 - - 1 2 2 2 2 3 C505.3 2 3 3 3 - - 1 2 2 2 2 3 C505.4 2 3 3 3 - - 1 2 2 2 2 3 C505.5 2 3 3 3 - - 1 2 2 2 2 3 Total 10 15 15 15 - - 5 10 10 10 10 15

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` Correlation 2 3 3 3 - - 1 2 2 2 2 3 Level

LIST OF EXPERIMENTS 1. a)Generate sinusoidal waveform for a RMS voltage ____ V and frequency of ___ Hz b) Generate a complex signal comprising of fundamental, 5th harmonics and 7th harmonics frequency 2. Step response of RL & RC series circuits. 3. a) Simulation of RLC series response circuits b) Simulation of RLC parallel response circuits 4. Verification of Superposition theorem. 5. Verification of Thevenin’s theorem. 6. Simulation of half wave rectifier. 7. Simulation of full wave rectifier. 8. Simulation of single phase, half wave converter using SCR with R-load. 9. Simulation of single phase, semi converter with RL load. 10. Simulation of single phase full converter with RL load. 11. Simulation of DC steps down chopper. 12. Simulation of single phase inverter. 13. Simulation of three phase voltage source inverter supplying R-load 14. a) Simulation of three phase star connected balanced load b)Simulation of three phase star connected unbalanced load 15. a) Simulation of three phase delta connected balanced load b) Simulation of three phase delta connected unbalanced load 16. a) Simulation of three phase non-linear star connected load with three phase 3 wire system. b) Simulation of three phase non-linear star connected load with three phase 4 wire system.

EQUIPMENTS REQUIRED

S.No. LIST OF EQUIPMENTS QUANTITY REQUIRED 1. PC with any suitable simulation software 30

2. UPS 5KVA with half an hour battery back up 1

3. Printer 1

SCHEME OF VALUVATION

S.No NAME OF THE ACTIVITY MARK ALLOCATION 1. Circuit Diagram (Manual Diagram) 20 2. Development of circuit diagram 35 3. Simulation Performance & print out 15 4. Viva Voce 05

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` TOTAL 75

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : V Course Code : 15O - 3311 Course Name : PROFESSIONAL PRACTICE AND MINI PROJECT TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods Periods/ Continuous Semester End Total / week Semester Assessment Examinations PROFESSIONAL PRACTICE AND 4 60 25 75 100 3Hours MINI PROJECT

TOPICS AND ALLOCATION OF PERIODS

Unit No Topic No of Periods

I INDUSTRIAL VISITS 08

II LECTURES BY PROFESSIONAL / INDUSTRIAL EXPERT 06

III INFORMATION SEARCH 08

IV SEMINAR AND GROUP DISCUSSION BY THE STUDENTS 12

V MINI PROJECT 20

CONTINUOUS ASSESSMENT 06

TOTAL 60

COURSE OUTCOMES

15O – 3311Professional Practice and Mini Project On successful completion of this course, students should be able to C508.1 : Discuss the industrial visit and submit the report

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` C508.2 : Summaries the lecture programme and submit the report : Make use of internet catalogues , journals and E- books and submit C508.3 report on two topics C508.4 : Discuss in groups of six students and submit a report any of the topics : Choose a project by a group of six students , complete the project and C508.5 submit a report

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C508.1 - 3 2 2 2 - 2 3 3 2 2 - C508.2 - 3 2 2 - - 2 3 3 2 2 - C508.3 - 2 2 3 2 - 2 3 3 3 2 2 C508.4 2 2 2 2 - - 2 3 3 3 2 2 C508.5 - 3 3 3 - - 2 3 3 2 3 2 Total 2 13 11 12 4 - 10 15 15 12 11 6 Correlation 2 2.6 2.2 2.4 2 - 2 3 3 2.4 2.2 2 Level

DETAILED SYLLABUS UNIT 1 INDUSTRIAL VISITS …….8 PERIODS Structured industrial visits (minimum two) be arranged and report of the same should be submitted by the individual student, as a part of the term work. Industrial visits may be arranged in any of the following topics:  Construction site for residential / Public building for Electrical Installations  Visit to a Multiplex- to study the electrical installation  Visit to Electric Power Generating Station  Visit to Wind Mill/Solar or Hybrid Power Station of Wind and Solar  Multi Storied Building for Power Distribution Scheme  Visit to Electronics Industry  Visit to L & T Switchgear Training Institute at Ooty  Visit to electric loco shed at Erode  Visit to an Instrument manufacturing industry  Any Industry having Automation in the manufacturing Processes. UNIT 2LECTURES BY PROFESSIONAL / INDUSTRIAL EXPERT ……6 PERIODS Lectures can be organized on any three topics of the following suggested areas and also they are required to submit a report  Pollution control.  Fire hazards due to short circuits/Fire Fighting / Safety Precautions and First aids.  Electrical Safety in Industry  Modern Techniques in Power Generation  Role of Power Factor Improvement - in Industries  Software for electrical drafting  Digital instruments/ Bio Medical Instruments  Effect of Transmission and Distribution Losses on cost of Energy Generation

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`  Recent Trends in Transformer Manufacturing  Applications of D. C. Motors : Present and Future Trends  Energy efficient motors  Fundamentals of Lab View/MATLAB/SCADA  Recent trends in power electronics/embedded system/computer installation/networking.  Topics related to Social Awareness such as – Organizational behaviour, Interview Techniques, Career opportunities, Communication in Industry etc.,  Energy auditing and management UNIT 3 INFORMATION SEARCH …….8 PERIODS 3.1 Literature survey: 5Per Information search can be done through manufacturers, catalogue, internet, magazines, books etc. and submit a report on any two topics Following topics are suggested:  Recent Trends in Insulation Material and Insulators  Electrical Wiring Accessories  Elevators installation and maintenance  Non Conventional Energy Sources with focus on solar energy  Non Conventional Energy Sources with focus on wind energy  Recent developments in use of Electrically operated motor cars / scooters/motorbikes and vehicles for mass transport  Metro Railway in Chennai , Bangalore- study  Cloud computing/Computer networking and security  Illumination and LED lighting  Any other emerging topic 3.2 Market survey: 3Per A group of four students are expected to collect information from the market regarding specifications and cost of any four items used in Electrical wiring for domestic, commercial and industrial use. UNIT 4SEMINAR AND GROUP DISCUSSION BY THE STUDENTS …….12 PERIODS 4.1 Seminar: 6Per Students (group of two students) have to search /collect information about the topic through literature survey, visits and discussions with experts/concerned persons. Students have to submit a report of about 10 pages and deliver a seminar for 10 minutes for any two topics Some of the suggested seminar topics are:  Schemes of power generation in forthcoming five years  Impact of load shedding on rural population  Non-conventional energy systems  Co-generation energy systems  Acoustics/Lighting systems  Nanotechnology  Water supply schemes/Problems of drinking water in rural area  Role of Traffic Signals in smooth flow of vehicles  Fuel cells

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`  Gram Swaraj Yojana  Any other recent topic

4.2 Group discussion : 6Per The students should discuss in a group of four to six and write a brief report on the same as a part of term work. The topic of group discussions may be selected by the faculty members. Some of the suggested topics are:  Trends in energy conservation  Load shedding and remedial measures.  Energy Saving in the Institution  Safety in day to day life  Disaster management.  Use of Plastic Carry Bags  Discipline and House Keeping  Rain water harvesting  CNG versus LPG as a fuel.  Current emerging topic related to Electrical/Electronics Engineering field.

UNIT 5 MINI PROJECTS …….20 PERIODS A group of four to six students is to be formed, assemble the project model and also submit a report comprising of 10 pages  Prepare a report on Electrification of multi storied building/multiplex  Market Survey of Power Converters on the basis of Rating, Cost, Efficiency, Battery quality  Energy auditing /saving in Institution  Study on renewable energy- Solar/Wind or hybrid  Application using microcontrollers/Programmable Logic Controllers  AC and DC motor control system  Projects based on artificial intelligence  Wireless communication projects  PC interfaced projects  Automation projects  Proto model on green building  Real time projects related to electrical/electronics engineering  Project in the field of power electronics/embedded system/net working/computer installation  Proto model on generation of electrical energy  Any project model related to emerging electrical/electronics engineering field

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SCHEME OF VALUATION:

ALLOCATION OF MARKS CONTINUOUS ASSESSMENT MARKS (25 Marks) Description Max. Marks Report preparation and submission on the following: 1. Industrial Visit

2. Lectures by Professional / Industrial Expert 15 3. Information Search

4. Seminar and Group Discussion by the students

5. Mini Project

Mini Project – Review 5 Attendance 5 SEMESTER END EXAMINATION EVALUATION (75 Marks) PART – A Written Examination Max. Duration (Two Questions from Each Unit – 10 x 2 Marks) – 20 marks Marks Abstract of Mini Project Work - 5 marks 25 1 hr. PART – B 1. Presentation with power point for all the five units – 20 Marks Max. Duration 2. Model and Demonstration of the Mini Project – 20 Marks Marks 3. Viva Voce – 10 Marks 50 2 hrs.

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THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : V Course Code : 15O – 3401A Course Name : CONTROL OF ELECTRICAL MACHINES TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods Periods / Continuous Semester End Total / week Semester Assessment Examinations CONTROL OF ELECTRICAL 5 75 25 75 100 3 Hours MACHINES

TOPICS AND ALLOCATION OF PERIODS

Topic No of Periods Unit No

I CONTROL CIRCUIT COMPONENTS 13

II AC MOTOR CONTROL CIRCUITS 12

III INDUSTRIAL CONTROL CIRCUITS 13

IV PROGRAMMABLE LOGIC CONTROLLER 12

V PLC PROGRAMMING 12

INDUSTRIAL VISIT 4

CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 9

TOTAL 75 COURSE OUTCOMES

15O – 3401AControl of Electrical Machines On successful completion of this course, students should be able to : Demonstrate electrical control components such as switches, timers, solenoid C504A.1 contactors and interlocking arrangements in control circuits C504A.2 : Construct the control circuits for starting, braking and various operations of AC

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` motors C504A.3 : Illustrate the working of circuits for the industrial controls C504A.4 : Outline the basics of Programmable Logic Controller : Design the ladder diagram for various industrial controls using Programmable C504A.5 Logic Controller CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2

C504A.1 - 3 3 - 2 1 1 2 2 2 3 3

C504A.2 - 3 3 2 2 1 1 2 2 2 3 2

C504A.3 - 3 3 2 2 1 1 2 2 2 3 3

C504A.4 - 3 3 3 2 1 1 2 2 3 3 3

C504A.5 - 3 3 3 2 1 1 2 2 3 3 2

Total - 15 15 10 10 5 5 10 10 12 15 13

Correlation - 3 3 2.5 2 1 1 2 2 2.4 3 2.6 Level

DETAILED SYLLABUS UNIT 1 CONTROL CIRCUIT COMPONENTS …….13PERIODS Switches – Push button, selector, drum, limit, pressure, temperature (Thermostat), float, 1.1 zero speed and proximity switches. Relays – Voltage relay, DC series current relay, frequency response relay, latching relay and phase failure relay (single phasing preventer). Over current relay – Bimetallic thermal over load relay and Magnetic dash pot oil filled relay. Timer – Thermal, Pneumatic and Electronic timer. Solenoid Valve, Solenoid type contactor (Air break contactor), Solid state relay, Simple ON-OFF motor control circuit, Remote control operation and interlocking of drives. (Refer the weblink: https://youtu.be/i94ztd5D7VM for electrical switches https://youtu.be/AmXWkVMfC5I for solenoid valve https://youtu.be/xvFvJiiDD7w for Relay UNIT 2 AC MOTOR CONTROL CIRCUITS …….12PERIODS Motor current at start and during acceleration – No load speed and final speed of motor 2.1 – DOL starter – Automatic auto transformer starter (open circuit and closed circuit transition) – Star/Delta starter (semi-automatic and automatic) – Starter for two speed two winding motor – Reversing the direction of rotation of induction motor – Dynamic Braking – Three step rotor resistance starter for wound induction motor – Secondary frequency acceleration starter. (Refer the weblink: https://www.youtube.com/watch?v=Gyy5GDDDpTYfor dynamic braking of AC motor https://youtu.be/ichihHeQKyQ for star delta starter) UNIT 3 INDUSTRIAL CONTROL CIRCUITS ……..13PERIODS

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` Planner machine control – Skip hoist control – Automaticcontrol of a water pump – 3.1 Control of electric oven – Control of aircompressor – Control of over head crane – control of conveyor system– Control of elevator - Trouble spots in control circuits – General procedure for trouble shooting. (Refer the weblink: https://youtu.be/vKi5naLBfDo for over head control https://youtu.be/ugN0bolKuOI for elevator control) UNIT 4 PROGRAMMABLE LOGIC CONTROLLER …….12 PERIODS

4.1 Automation – Types of automation (manufacturing and non-manufacturing) – advantages of automation –PLC Introduction – Block diagram of PLC – principle of operation – modes of operation – PLC scan – memory organization – input module (schematic and wiring diagram) – output module (schematic and wiring diagram) – Types of Programming Devices – Comparison between hardwire control system and PLC System –PLC Types (Fixed and Modular) – Input Types – Output Types – Criteria for selection of suitable PLC – List of various PLCs available. (Refer the weblink: https://youtu.be/mLJoVHwQsFI for block diagram for PLC https://youtu.be/sHgeEO6ErGo for PLC module UNIT 5 PLC PROGRAMMING …….12PERIODS 5.1 Different programming languages – ladder diagram – Relay type instruction – Timer instruction – ON delay and OFF delay Timer – Retentive Timer Instruction – Cascading Timers – Counter Instruction – UP Counter – Down Counter – UP/DOWN Counter - ladder logic diagram for DOL Starter, Automatic STAR-DELTA Starter -rotor resistance starter and EB to Generator changeover system. (Refer the weblink: https://youtu.be/qA3Yg5CS-F8 for star-delta starter https://youtu.be/qsvHVIQgO_o for DOL starter

TEXT BOOK

S.No. Name of the Book Author Publisher year of publishing/Edition

Control of Electrical New Age International 2013, Second Edition 1 S.K. Bhattacharya Machines (P) Limited, New Delhi Reprint Explosing Programmable Pradeep Kumar 2 Logic controllers with BPB Publications 2004, Second Edition Srivastava. Application

REFERENCE BOOK

S.No. Name of the Book Author Publisher year of publishing/Edition

1 Industrial motor control Stephen Herman Cengage Learning 6th Edition

Diploma in Electrical and Electronics Engineering PAGE 138

LIST OF PROPOSED STUDENT ACTIVITIES

I. INDUSTRIAL VISITS

To impart industrial visit to any one of the following industries to understand real time applications: 1. Sail Refractory Company Limited, Salem 2. JSW Private Limited, Salem 3. Power Grid Corporation, 400 kV,KR Thoppur, Salem Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned.

II. SEMINARS

Seminars to be organized on any one of the following topics in association with the IE(I)/ISTE and the Students’ Technical Association of Electrical and Electronics Engineering Department: 1. Industrial Automation using PLC 2. Latest Industrial control system

III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES: 1. Circuit Lab, PSCAD 2. www.crcpress.com 3. www.industrial-electronics.com 4. www.ncsu.edu 5. www.plcs.net

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THIAGARAJAR POLYTECHNIC COLLEGE, SALEM (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING CONTROL OF ELECTRICAL MACHINES Model Question Paper – I Year/Sem: III / V Max. Marks : 75 Code no: 15O-3401A Time : 3 Hrs

PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks 1. Define single phasing. I R

2. Name two types of electrical interlock. I U

3. Define plugging. II R

4. How to reverse the direction of rotation of induction motor? II R

5. What type of motor is used in lift control? III U

6. Define PLC scan. IV R

7. Draw the symbol of ON delay timer. V R

8. State the different types of programming language. V R

PART-B (5 X 3 = 15marks) Note :(i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks 9. Draw the diagram of simple ON-OFF motor control circuit I U

10. Define proximity switch and state its applications. I R

11. Compare semi-automatic and automatic star delta starter II An

12. Draw the circuit diagram of Overhead crane control III U

13. Draw the ladder logic diagram of DOL starter. V U

14. Compare hard wire and PLC control system. IV U State the principle of operation of secondary frequency acceleration 15. II U starter

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` 16. Draw the block diagram of PLC. IV R

PART-C (5 x 10 = 50marks) Note : (i) Answer allthe questions choosing either sub-division (A) or sub- Unit Bloom’s Maximum Taxonomy Marks division (B) of each question. Level (ii)All questions carry equal marks 17. A i Explain with a neat sketch the principle of operation of single I U 5 phasing preventer. ii Explain with a neat sketch the principle of Electronic Timers. I U 5 (OR) B Explain the constructional details of solenoid type Contactor with a I U 10 neat sketch. (OR) 18. A Explain the working principle of auto transformer starter (closed II U 10 circuit transition) with the help of diagrams. (OR) B Draw the control circuit of secondary frequency acceleration II U 10 starter for three phase slip ring induction motor.

19. A i Draw the logic control circuit of a planner machine. III An 5 ii Write shortnotes on planner machine. III U 5 (OR) B Explain with the neat sketch the operation of control of air III U 10 compressor.

20. A Explain the components of PLC with a neat sketch. IV U 10 (OR) B Explain the PLC scan with neat sketches. IV U 10

21. A Explain the working of fully automatic star delta starter using PLC V U 10 ladder diagram. (OR) B Explain step by step procedure to be followed for developing a V U 10 ladder diagram.

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create

Diploma in Electrical and Electronics Engineering PAGE 141

` % to be included 90% 10%

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` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING CONTROL OF ELECTRICAL MACHINES Model Question Paper – II Year/Sem: III / V Max. Marks : 75 Code no: 15O-3401A Time : 3 Hrs

PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 is compulsory Unit Bloom’s (ii) All questions carry equal marks Taxonom y Level

1 State the application of frequency response relay. I U

2 Name the different types of timers based on their operation. I U

3 State the purpose of starters. II R

4 State the expression to find the secondary frequency in slip ring induction motor. II An

5 What are the three motions in a crane control? III R

6 List the various PLCs available in the market. IV R

7 Draw the ladder logic diagram for EB to Generator change over. V R

8 Write any two input devices used in PLC. IV U

PART-B (5 X 3 = 15marks) Note :(i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks 9. What is a zero speed switch and where it is used? I U Write short notes on Remote control operation, Interlocking of drives & 10. I U Sealing contacts. 11. Write the principle of dynamic braking. II U

12. Why closed circuit transition is necessary while using autotransformer starter? II An

13. Draw the control circuit of electric oven. III U

14. State any 3 criteria for selection of suitable PLC. IV R

15. Draw the block diagram of PLC scan. IV U

16. Explain ON delay timer and OFF delay timer using PLC instruction V U

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` PART-C (5 x 10 = 50marks) Note : (i) Answer allthe questions choosing either sub-division (A) or Unit Bloom’s Maximum sub-division (B) of each question. Taxonomy Marks (ii)All questions carry equal marks Level 17. A i Draw the control circuit of electrical interlocks and I U 5 mechanical interlock ii Write a short noteon working of latching relay and state its I U 5 application. (OR) B Explain the principle of operation of dash pot over load I U 10 relay. (OR) 18. A Explain the two speed control of induction motor with II U 10 neat circuit diagram. (OR) B Define plugging and explain with a neat diagram the plug II U 10 stop of AC motor.

19. A i Explain the working operation of automatic control of a III U 5 water pump ii Explain the general procedure for troubleshooting the III U 5 industrial control circuit (OR) B Explain with a neat sketch, the control of a conveyor III U 10 system by sequential starting of conveyor motors.

20. A i Write the advantages of PLC. IV U 5 ii Explain the various programming devices used in PLC IV U 5 (OR) B Explain the working of input module with neat sketches. IV U 10

21. A i Explain the operation of counter instructions. V R 5 ii Explain the different programming languages used in a V R 5 PLC. (OR) B Explain the working of automatic rotor resistance starter V U 10 using PLC ladder diagram.

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 144

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : V Course Code : 15O – 3402A Course Name : CONTROL OF ELECTRICAL MACHINES PRACTICAL

TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods Periods Continuous Semester End Total / week / Semester Assessment Examinations CONTROL OF ELECTRICAL 4 60 25 75 100 3 Hours MACHINES PRACTICAL

COURSE OUTCOMES

15O – 3402AControl of Electrical Machines Practical On successful completion of this course, students should be able to : Make use of the knowledge of electrical control components such as C507A.1 switches, timers, solenoid contactors and interlocking arrangements in control circuits C507A.2 : Construct the various types of automatic starters for AC motor control : Demonstrate the control circuits for braking, jogging and reversal operation C507A.3 of AC motor C507A.4 : Utilise the Programmable Logic Controller for industrial control applications : Develop the ladder program for controlling of motor C507A.5

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C507A.1 - 3 3 - 2 1 3 3 2 3 3 3 C507A.2 - 3 3 3 2 1 3 3 2 3 3 3 C507A.3 - 3 3 3 2 1 3 3 2 3 3 3 C507A.4 - 3 3 3 2 1 3 3 2 3 3 3 C507A.5 - 3 3 3 2 1 3 3 2 3 3 3 Total - 15 15 12 10 5 15 15 10 15 15 15 Correlation - 3 3 3 2 1 3 3 2 3 3 3

Diploma in Electrical and Electronics Engineering PAGE 145

` Level

LAB EXERCISES

1) Test the timing characteristic of thermal overload relay 2) Wire and test the control circuit for jogging in cage motor 3) Wire and test the control circuit for semi-automatic star-delta starter 4) Wire and test the control circuit for automatic star-delta starter 5) Wire and test the control circuit for dynamic braking of cage motor 6) Wire and test the control circuit for two speed pole changing motor 7) Wire and test the control circuit for forward and reverse operation. 8) Wire and test the control circuit for automatic Rotor resistance starter 9) Test the working of single phase preventer 10) Wire and test the DOL starter with single phase preventer using PLC. 11) Wire and test the Star-Delta starter using PLC 12) Wire and test the control circuit for automatic Rotor resistance starter using PLC 13) Develop & execute the ladder logic diagram in PLC for 3 stage lift operation. 14) Wire and test the sequential operation of solenoid valve and a motor for tank filling operation using PLC. 15) Develop and execute the ladder logic to interface PLC with conveyor model for counting the object moving in the conveyer. 16) Wire and test the control circuit for jog forward,jog reverse, forward and reverse operations using PLC 17) Study of Power Quality Analyzers

EQUIPMENTS REQUIRED

S.No. LIST OF EQUIPMENTS QUANTITY REQUIRED 1 Transformer oil Tester Kit, Acidity test kit 1 no./each 2 Thermal Overload Relay 3 nos. 3 AC contactor 230V/440V, 16A 26nos. 4 Push Button With NO/NC Elements 30nos. 5 Induction motor 440 V, 1440 rpm, any HP rating (apart 3nos. from EM-II lab) 6 Proximity switch 2nos. 7 PLC (any brand) suitable for above experiments 5nos. 8 Solenoid valve 2nos. 9 Three stage lift model, conveyor model 1no./each

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SCHEME OF VALUATION

MARK S.No NAME OF ACTIVITY ALLOCATION 1 Drawing Connection/Ladder Diagram and Writing Details of 20 the Components/Equipments/Machines used 2 Making the correct circuit connections 20 3 Conducting the Experiment 20 - Following the correct procedure - Verifying the operation / appropriate readings - Following the appropriate safety procedure 4 Tabulation of Readings / Interpretation of Results 10 Graphical Representation (If required) 5 Viva-voce 05 Total Marks 75

Diploma in Electrical and Electronics Engineering PAGE 147

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : V Course Code : 15O – 3401B Course Name : PROGRAMMABLE LOGIC CONTROLLER

TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Instructions Examination Course Periods / Periods/ Continuous Semester End Duration Total week Semester Assessment Examinations Programmable Logic Controller 5 75 25 75 100 3 Hours

TOPICS AND ALLOCATION OF PERIODS

UNIT NO TOPIC NO OF PERIODS

I ARCHITECTURE AND OPERATION OF PLC 13

II PROGRAMMING OF PLC 12

III PLC TIMERS AND COUNTERS 12

IV ADVANCED INSTRUCTIONS 12

V I/O MODULE COMMUNICATION AND NETWORKING 13

INDUSTRIAL VISIT 04

CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 09

TOTAL 75

COURSE OUTCOMES

15O – 3401B : Programmable Logic Controller On successful completion of this course, students should be able to C504B.1 : Understand the architecture and operation of PLC. C504B.2 : Study the basic programming of PLC. C504B.3 : Realize the working of PLC timers and counters.

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` C504B.4 : Accquire knowledge on Advanced instructions for specific applications. C504B.5 : Analyze various types of I/OModule communication and networking.

CO-PO & PSO’S MAPPING MATRIX:

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C504B.1 2 3 3 2 2 - - 3 2 2 3 2 C504B.2 2 3 3 2 2 - - 3 2 2 3 2 C504B.3 2 3 3 2 2 - - 3 2 2 3 2 C504B.4 2 3 3 2 2 - - 3 2 2 3 2 C504B.5 2 3 3 2 2 - - 3 2 2 3 2 Total 10 15 15 10 10 - - 15 10 10 15 10 Correlation 2 3 3 2 2 - - 3 2 2 3 2 Level

DETAILED SYLLABUS

UNIT 1 ARCHITECTURE AND OPERATION OF PLC ……..13PERIODS 1.1 Evolution of PLCs – Hard-wired control systems. PLC – definition, features, Advantages, Relays.PLC parts and architecture – CPU – I/O section – Programming device - Memory - input field devices – output field devices - input module wiring connections, output module wiring connections- Power Supply -PLC versus computer - Types of PLC – single ended – multitask – control management- unitary - modular- small – medium – large.Developing circuits from Boolean expression – Hardwired logic to programmed logic – programming word level logic instruction – processor memory organization program files – data files – program scan. (Refer the weblink:https://www.youtube.com/watch?v=vsqjtRVByNI for PLC Architecture) UNIT 2 PROGRAMMING OF PLC ...... 12PERIODS 2.1 PLC Programming languages -Standard languages- Ladder diagram (LD) - Function block diagram (FBD) Sequential function chart(SFC)- Statement List(STL) (each one example program)-Symbols of a PLC Input and output contact graphical languages(IES)– program format – Typical Numbering mode – Equivalent ladder diagram of AND, OR, NOT, XOR, NAND AND NOR gate equivalent ladder diagram to demonstrates De Morgan’s theorem, Ladder design switches- Develop elementary program design of a 4:1 Multiplexer using ladder logic programming wired level logic instructions input, output, flag, timer, counter, latch. (Refer the weblink:https://www.youtube.com/watch?v=srFbEVCa1T8 for PLC Programming) UNIT 3 PLC TIMERS AND COUNTERS .…12PERIODS

Diploma in Electrical and Electronics Engineering PAGE 149

` 3.1 Definition and Classification of a timer. Characteristics of a PLC timer – functions in a timer – resetting –retentive functions and function block format- non-retentive – classification – Timer ON-delay- Timer-OFF delay- Simple problems using timerPLC counter – Operation of a PLC counter – Counter parameters – Format of counter instruction and counter data file - count up (CTU)- count down(CTD) simple problems using counter. (Refer the weblink:https://www.youtube.com/watch?v=KalDbh2T-nw for Timers/ Counters

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` UNIT 4 ADVANCED INSTRUCTIONS ..….12PERIODS 4.1 Introduction - comparison instructions- Addressing format for micro logic system - Different addressing types - Data movement instructions - Mathematical instructions- Program flow control instructions - PID instructions. Program development and execution using Allen bradly PLC. Simplified start up process of a coal feeding to a boiler plant - elevator for 3 floor building - Traffic light control -conveyor belt Selection of PLC - Safety considerations built in the PLC’s. (Refer the weblink:https://www.youtube.com/watch?v=lUZt3fk-NHg for math instruction) UNIT 5 I/O MODULE COMMUNICATION AND NETWORKING ….13PERIODS 5.1 Introduction – classification of I/O Module Input – Output system – Direct I/O, parallel I/O – Sourcing and sinking of serial I/O system. PLC interfacing-Discrete Input module –DC - AC – Discrete output module – Analog input module single ended and output module - RTD input modules- Thermocouple- High speed Encoder-Stepper motor- RS-232 interface module-Differential input module. Types of Communication Interface. Parallel – serial – Parallel – IEEE 488 BUS- Serial _ balanced – unbalanced- communication mode- simplex – Half duplex – full duplex features of good interface. Serial interface RS 232c. DB-9 connection of Rs232C Network Topology, Bus Ring, Star, Tree. (Refer the weblink:https://www.youtube.com/watch?v=oPfOWgLnek8 for I/O Module )

TEXT BOOKS

Year of Publishing / S.No Title Author Publisher Edition

Introduction to Thomson Gary 1. Programmable Logic Delmar 2001, Second Edition Dunning Controller learning

REFERENCES

Year of Publishing / S.No Title Author Publisher Edition

1. Programmable Logic Jhon W Webb PHI LearningPvt 2002, Fifth Edition Controllers; Principles and Ronald A Rels Ltd applications

2. Exploring Programmable Logic Srivastava BPB Publications 2004, First Edition Controllers with applications

3. Programmable Vijay R Yadhav Khanna 2009, Fifth Edition Controllers Publishers, New Logic Delhi

Diploma in Electrical and Electronics Engineering PAGE 151

LIST OF PROPOSED STUDENT ACTIVITIES I. INDUSTRIAL VISITS To impart industrial visit to any one of the following industries to understand real time applications: 1. Thirumurugan Spinners, Avinasi. 2. JSW Steel Limited, Mecheri 636 453. 3. Dalmia Magnasite corporation , Salem 636 012. Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned.

III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES: 1. www.keil.com 2. www.nxp.com 3. www.plcedge.com

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THIAGARAJAR POLYTECHNIC COLLEGE, SALEM (Autonomous) ELECTRICAL AND ELECTRONICS ENGINEERING PROGRAMME LOGIC CONTROLLER Model Question Paper – I Code No : 15O – 3401B Max. Marks : 75 Year /Sem : III / V Time : 3 Hrs

PART-A (5x2=10 Marks) Note(i) Answer any FIVE questions out of which question No. 8 is compulsory. Unit Bloom’s (ii) All questions carry equal marks. Taxonomy Level

1. Define Relays. I U

2. What are the of PLC? II R

3. Mention any two advantages of PLC. III U

4. What are the Characteristics of PLC timers? III R

5. List any two international field bus standards. IV U

6. Write down the Addressing format for Micro Logic System. IV R

7. State any one advantages of DAS. IV U

8. Give Example for Simplex, Half-duplex & Full-duplex. V U

PART – B (5x3=15 Marks) Note: (i) Answer any FIVE questions out of which question No. 16 is compulsory. Unit Bloom’s (ii) All questions carry equal marks. Taxonomy Level

9. What is Hard-wired control I U

10. Explain the concept of Multitasking I U

11. Draw the ladder diagram for AND & OR gates. II R

12. What do you mean by proportional control? II R

13. What is mean by Timer on-delay? III U

14. List out the Different Addressing types III U

15. Define High Speed Encoder IV R

16. List out the different types of Network Topology and explain it III R

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` PART-C (5x10=50 Marks) Note: (i) Answer any one question choosing either from division (A) or (B) have each question. (ii) All questions carry equal marks. 17. a. Briefly explain about developing circuits from Boolean expression with two I U 10 examples OR b. Explain memory organization of PLC. I U 10 18. a. Draw and explain about Ladder design of switching controls II U 10 OR b. Explain about demonstration of De Morgans’ theorem using Ladder diagram II U 10 19. a. Explain about the characteristics of PLC timer and how to programming it III U 10 OR b. Explain about ON-delay and OFF-delay timer III U 10 20. a. Develop a ladder logic control for 3 floor lift system and explain it. IV U 10 OR b. Explain about the Traffic light control using PLC. IV U 10 21. a. With a brief note on RTD input modules. V U 10 OR b. Explain about types of Communication Interfaces V U 10

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM (Autonomous)

Diploma in Electrical and Electronics Engineering PAGE 154

` ELECTRICAL AND ELECTRONICS ENGINEERING PROGRAMMABLE LOGIC CONTROLLER Model Question Paper – II Code No : 15O – 3401B Max. Marks : 75 Year /Sem : III / V Time : 3 Hrs

PART-A (5x2=10 Marks) Note:(i) Answer any FIVE questions out of which question No. 8 is compulsory. Unit Bloom’s (ii) All questions carry equal marks. Taxonomy Level

1. Define PLC. I R

2. What are input and output field devices? II U

3. Give the PLC programming languages. III U

4. Define De Morgan’s Theorem using diagram III U

5. What is timer? IV U

6. Mention some transmission media. IV R

7. What is Traffic light control? IV R

8. Expand RTD. V R

PART – B (5x3=15 Marks) Note: (i) Answer any FIVE questions out of which question No. 16 is compulsory. Unit Bloom’s (ii) All questions carry equal marks. Taxonomy Level

9. Write short notes on Power supply. I R

10. Explain the types of PLC I R

11. Write about Flag, Timer, and Counter. II U

12. What are the different types of networking? II R

13. State Retentive functions. III U

14. What is the use of subnetting? III U

15. Define Online & Offline timer. IV U

16. Write the Programming methods. III R

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` PART-C (5x10=50 Marks) Note: (i) Answer any one question choosing either from division (A) or (B) have each question. (ii) All questions carry equal marks. 17. a. With neat diagram and explain I/O sections. I U 10 OR b. Explain about the programming world level logic instruction. I U 10 18. a. Explain about Ladder diagram II U 10 OR b. Draw the ladder diagram of AND ,OR,NOT,XOR,NAND,NOR Gates II U 10 19. a. Discuss in detail about operation of Timer. III U 10 OR b. Explain the operation of PLC Counter. III U 10 20. a. Explain the Program Flow control instruction. IV U 10 OR b. Illustrate the Conveyor Belt section of PLC. IV U 10 21. a. Explain in detail Discrete Input/output module. V U 10 OR b. Define Network topology and explain in detail. V U 10

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 156

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

15O – SCHEME Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : V Course Code : 15O – 3402B Course Name : PROGRAMMABLE LOGIC CONTROLLERS PRACTICAL

TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Semester- Periods Periods Continuous Duration End Total / week / Semester Assessment Examination PROGRAMMABLE LOGIC 4 60 25 75 100 3 Hours CONTROLLERS PRACTICAL

COURSE OUTCOMES

15O – 3402B Programmable Logic Controllers Practical On successful completion of this course, students should be able to C507B.1 : Design the control logic for DOL starter, Star delta starter using PLC C507B.2 : Design the control logic automatic load transfer and industrial sliding door using PLC C507B.3 : Design the ladder programming for fire alarm, conveyor, hoist controllers using PLC C507B.4 : Study anolog input of PLC ,heater control with PID function, liquid filling system and sequential timer C507B.5 : Understand the PC monitoring of PLC operation, PWM control of motors and Man machine interface.

CO-PO & PSO’S MAPPING MATRIX:

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C507B.1 2 3 3 2 2 - - 3 2 2 3 2 C507B.2 2 3 3 2 2 - - 3 2 2 3 2 C507B.3 2 3 3 2 2 - - 3 2 2 3 2 C507B.4 2 3 3 2 2 - - 3 2 2 3 2 C507B.5 2 3 3 2 2 - - 3 2 2 3 2

Diploma in Electrical and Electronics Engineering PAGE 157

` Total 10 15 15 10 10 - - 15 10 10 15 10 Correlation 2 3 3 2 2 - - 3 2 2 3 2 Level

List of Experiments 1. DOL Starter with single phasing prevention 2. Changeover switch implementation with interlocking 3. Star Delta starter a. single phasing prevention b. Adjustable star-delta transfer time c. Pre-settable Overload trip time 4. Automatic Load transfer a. transfers load from one phase to another when one phase in a 3 ph. system fails b. automatically restores when power is resumed c. time delays are effected to prevent action during short time failure

5. Industrial sliding door automation a. Sequencing b. Open ¼ th Full width c. Wait for next go command d. Next open full e. wait for a time and close full 6. Fire Alarm a. Multiple alarms b. sound alarm 1 c. if not acknowledged, sound alarms 1 and 2 d. similarly go upto 4 alarms 7. Conveyor Belt sorting a. storing to left bin b. storing to right bin c. storing to exit bin 8. Three floor Hoist controller a. Sequencing b. floor level detection c. Gate safety latch 9. Burglar scare random lighting in building with variable timing a. The lights in each room are switched on at pre-determined intervals and switched off at pre-determined time. The lighting is shifted from area to area randomly to scare the burglars with a false fear of presence of people. 10. Analog input to PLC as a set of value for a comparator function block

Diploma in Electrical and Electronics Engineering PAGE 158

` a. The output is multilevel illumination control. The input setting is by means of a potentiometer in an analog input to the PLC. The outputs turn on several groups of lamps to obtain desired level of illumination.

11. Heater control with PID function of the PLC a. A 1000 W water heater is controlled using the PID function of the PLC. The temperature transducer is a Temperature transmitter with 4 to 20 mA output and Pt 100 Probe 12. Round Table - Liquid filling System 13. Dropping of Reagents into test tubes. The feedback is from a potentiometer. The program must ensure that the end limits of the pot are never reached by carefully balancing the clockwise and anti-clockwise revolution. 14. Sequential timer for educational institute Timings are alterable by supervisor while program is running. Pre and post – Holiday sequence selectable 15. PC monitoring of PLC operation. RS232 or USB communication for status display of inputs and outputs. 16. Slow speed motor control using PWM function of the PLC a. Slow speed 12V DC 18W Permanent Magnet Motor with a fly wheel is controlled 17. with the PWM output and a feedback from a low resolution encoder 18. Man-machine interface lay-out and annunciation functions 19. Noise Immunity at the inputs of PLC a. Measurement of input resistance of the PLC b. Determine the effect of high o/p source resistance at the inputs 20. Testing of RC snubber component for protection of PLC output from a highly inductive components like solenoids or relays

EQUIPMENTS REQUIRED

S.No. LIST OF EQUIPMENTS QUANTITY REQUIRED 1 Programmable Logic Controller Trainer kits using - 10 no. Allen Bradley, Siemens, GE-Fanuc PLCs

SCHEME OF VALUATION

S.No. NAME OF THE ACTIVITY MARKS ALLOCATED

1. Circuit Diagram&Ladder Diagram 20

2. Connection 25

3. Execution and Handling of Equipments 15

Diploma in Electrical and Electronics Engineering PAGE 159

` 4. Output and Result 10

5. Viva Voce 05

TOTAL 75

SEMESTER VI

Diploma in Electrical and Electronics Engineering PAGE 160

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING

Semester : VI Course Code : 15O - 3312 Course Name : DISTRIBUTION AND UTILIZATION TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Period/ Periods/ Continuous Semester End Total week Semester Assessment Examinations DISTRIBUTION AND UTILIZATION 5 75 25 75 100 3Hours

TOPICS AND ALLOCATION OF PERIODS Unit No Topic No of Periods

I DISTRIBUTION 13 II INDUSTRIAL DRIVES 12 III ELECTRIC TRACTION 12 IV ILLUMINATION 12 V ELECTRIC HEATING & WELDING 13 INDUSTRIAL VISIT 4 CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 9 Total 75

COURSE OUTCOMES

15O – 3312Distribution and Utilization On successful completion of this course, students should be able to : Illustrate the arrangements of substation and busbar system C601.1 Explain the classification and calculation of copper required for various distribution systems : Make use of the knowledge to control and selection motor for specific C601.2 applications Diploma in Electrical and Electronics Engineering PAGE 161

` : Describe the track electrification, traction mechanics and traction motor C601.3 control : Outline the terminology, types of lamps and design of indoor and outdoor C601.4 illumination : Demonstrate the principle and working of electric heating, electric furnaces C601.5 and electric welding

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C601.1 2 3 3 3 2 2 1 2 2 3 3 3 C601.2 - 3 3 - 2 2 1 - 2 3 3 3 C601.3 - 3 3 - 2 2 1 - 2 3 3 3 C601.4 2 3 3 3 2 2 1 2 2 3 3 3 C601.5 - 3 3 - 2 2 1 - 2 3 3 3 Total 4 15 15 6 10 10 5 4 10 15 15 15 Correlation 2 3 3 3 2 2 1 2 2 3 3 3 Level

DETAILED SYLLABUS UNIT 1 DISTRIBUTION ……13PERIODS 1.1 Substation: 5Per Introduction-Sub stations-Classification of sub stations - Indoor and outdoor sub stations - Gas insulated sub stations comparisons - Layout 110/11kV Substation and 11kV/400V Distribution Substation- substation equipments- Busbar - Types of busbar arrangement - Advantages and Disadvantages. (Refer the weblink: https://youtu.be/hMaddmR2_AI for substaiton) 1.2 Distribution: 8Per Distribution system-Requirements of a Distribution system-Parts of Distribution system- Classification of Distribution systems-comparison of different distribution systems (AC and DC) -AC Distribution -Types-connection schemes of Distribution system-AC Distribution calculations-Calculation of voltage at load points on single phase distribution systems (With concentrated load only)- Distribution fed at one end, both ends and ring mains-Problems- Three phase, four wire, Star connected unbalanced load circuit- Problems-Consequence of Disconnection of Neutral in three phase four wire system (illustration with an example) HT Distribution system – Power wheeling – Power Trading (Refer the weblink: https://www.youtube.com/watch?v=Fqk0G1yDjeY for Distribution system) UNIT 2 INDUSTRIAL DRIVES .….12PERIODS 2.1 Introduction-Electric drive- Advantages-Parts of Electric drives- Transmission of power- Types of Electric drives-Individual, group and multimotor drives - Advantages and disadvantages of Individual and group drive -Factors governing the selection of motors- Nature and classification of load Torque-Matching of speed Torque characteristics of load and motor-Standard ratings of motor- Classes of load duty cycles Selection of motors for different duty cycles-Selection of motors for specific application- Braking- Features of

Diploma in Electrical and Electronics Engineering PAGE 162

` good braking system- Types of Braking-Advantages of Electric braking-Plugging, Dynamic and Regenerative braking-As applied to various motors. (Refer the weblink: https://www.youtube.com/watch?v=uMbj5iRKIfY for Electrical braking) UNIT 3 ELECTRIC TRACTION …….12PERIODS 3.1 System of Track Electrification: 4Per Introduction -Traction systems-Advantages and Disadvantages of Electric Traction. Methods of supplying power-Rail connected system and overhead system-OverHead equipments-contact wire, catenary and droppers- Current collection gear for OHE-Bow and pantograph collector-Different systems of Track Electrification-Advantages of single phase low frequency AC system-Booster Transformer-Necessity- Methods of connecting Booster Transformer-Neutral sectioning. (Refer the weblink: https://www.youtube.com/watch?v=kFPJ8eF9M2A&list=PLGhjFfdMfJ5zgglq4t- wc8i0JOFfzFssXfor Pantograph and catenary)

3.2 Traction Mechanics: 4Per Units and notations used in Traction mechanics-Speed time curve for different services - Simplified speed time curve-Derivation of maximum speed-Crest speed, Average speed, Schedule speed (definitions only)-Tractive effort and power requirement- Specific energy output- Specific energy consumption. 3.3 Traction motors and control: 4Per Desirable characteristics of Traction motors-Motors used for Traction purpose-Methods of starting and speed control of DC Traction motors - Rheostatic Control-Energy saving with plain rheostatic control -Series-parallel control- Energy saving with series parallel starting - Shunt Transition –BridgeTransition- Drum control-Contactor type bridge Transition controller - Metadyne control-Multiple unit control- Thyristor control- Regenerative braking. Recent trends in Electric Traction-Magnetic Levitation (MEGLEV) - Suspension systems (Refer the weblink: https://www.youtube.com/watch?v=FfSUVhrA7sU for Electric Multiple Unit) UNIT 4 ILLUMINATION ……12PERIODS 4.1 Introduction - Definition and units of different terms used in illumination-Plane Angle, Solids angle, Light, Luminous flux, Luminous Intensity, Luminous Efficiency, candle power, Lumen, Illumination, M.S.C.P, M.H.C.P, M.H.S.C.P, Reduction factor, Luminance, glare, Lamp efficiency, Space-height ratio, Depreciation factor, Utilization factor, Waste light factor, Absorption factor, Beam factor, Reflection factor. Requirements of good lighting system- Laws of Illumination-problems - Types of lighting scheme- Illumination level required for various applications- Factors to be considered while designing lighting scheme- Design of lightingScheme (Indoor and outdoor) - Problems- Lighting systems- Factory lighting, Flood lighting, Street lighting. Sources of light-Arc lamp, incandescent lamp,Halogen Lamp, Sodium vapourlamp, High pressuremercury vapour lamp, Fluorescent Tube - Induction Lamp- Energy saving lamps (CFL and LED lamps)-limitation and disposal of CFL-benefits of LED lamps-comparison of lumen output for LED, CFL and incandescent lamp. (Refer the weblink:https://www.youtube.com/watch?v=BY-vbtro7LQ for Discharge lamps https://www.youtube.com/watch?v=dx-DL-doRGI for Fluorescent lamp) UNIT 5 ELECTRIC HEATING AND WELDING …….13 PERIODS 5.1 Electric Heating: 4Per Introduction -Advantages of Electric heating-modes of heat transfer - Classification of Electric Heating - Power frequency electric heating- Direct and Indirect resistance heating-Infrared heating-Arc heating –High frequency Electric heating-Induction heating –Induction Stove - Eddy current heating and Dielectric heating. (Refer the weblink: https://youtu.be/sIaIuZXB6HQ for dielectric heating https://youtu.be/_9ZK_Hs99FU for induction heating)

Diploma in Electrical and Electronics Engineering PAGE 163

` 5.2 Electric Furnaces: 4Per Resistance furnace-Requirements of heating elements-Commonly used heating element materials-Resistance furnace for special purposes-Temperature control of resistance furnace Arc furnace -Direct and Indirect Arc furnace- Temperature control of Arc furnace-Reasons for employing low voltage and high current supply Induction furnace-Direct and Indirect core type Induction furnace-Coreless Induction furnace-Power supply for coreless Induction furnace. (Refer the weblink:https://youtu.be/_GlnuZ5yPgg for Induction furnace) 5.3 Electric Welding: 5Per Introduction-Types of Electric welding-Requirements of good weld- Preparation of work - Resistance welding- Butt welding, Spot welding, Seam welding, Projection welding and Flash weldingArc welding-Carbon Arc welding, Metal Arc welding, Atomic hydrogen Arc welding, Inert gas metal arc welding-Comparison between Resistance and Arc welding. Radiation welding -Ultrasonic welding, Electron beam welding, LASER beam welding- Electric welding equipments (AC and DC) (Refer the weblink: https://youtu.be/wMAehCtNx-A for resistance spot welding https://youtu.be/WTb4IGxK8xk?list=PL_jWpT554AQ4N3AqLLMcMrDz1BN4kKyP0for arc welding)

TEXT BOOK year of publishing/ S.No. Name of the Book Author Publisher Edition A Course in Soni,Gupta and Dhanpat Rai & Co Ltd., 2009, Second Edition Electrical 1 Bhatnagar New delhi Power

REFERENCE BOOKS Year of publishing/ S.No. Name of the Book Author Publisher and Edition Electric Power SL Uppal& S.Rao Khanna Publishers, 2000, Fifteenth 1. NewDelhi Edition Modern Electric H Partab Dhanpat Rai & Co Ltd., 2003, Sixth Edition 2. Traction New delhi ElectricPower AS Pabla Tata McGraw Hill 2012, Sixth Edition 3. Distribution Publishing Co, New Delhi Utilization of NV Suryanarayana New age International 1994, First Edition 4. ElectricPower publisher, New Delhi

LIST OF PROPOSED STUDENT ACTIVITIES I. INDUSTRIAL VISITS To impart industrial visit to any one of the following industries to understand real time applications: 1. Electric AC Locoshed, Erode 2. SAIL Refractory Company Limited , Salem 3. Mettur Thermal Power Station, Salem Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned.

II. SEMINARS

Diploma in Electrical and Electronics Engineering PAGE 164

` Seminars to be organized on any one of the following topics in association with the IE(I)/ISTE and the Students’ Technical Association of Electrical and Electronics Engineering Department: 1. Recent trends in Electric Traction 2. Latest Developments in Luminares 3. Implemetation of Metro-rail in Chennai compare with other parts of India

III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES: 1. Mi Power, ETAP 2. www.infineon.com 3.www.emersoninudstrial.com 4. www.geindustrial.com

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING DISTRIBUTION AND UTILIZATION Model Question Paper –I

Year/Sem: III / VI Max. Marks : 75 Time : 3 Hrs Code no: 15O-3312 PART-A (5 X 2 = 10 marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

1. What is Pole mounted substation? I R

2. State any two types of rating II R

3. Write any two advantages of regenerative braking? II U

4. Give any two requirements of Ideal traction system. III R

5. State the few places where flood lighting is employed. IV An

6. Give any one advantage and disadvantage of LED lamp. IV An

7. What are the types of Arc Welding? V R

8. Define tractive effort? III R PART-B (5 X 3 = 15 marks) Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. State the components of distribution system I R

10. State the advantages of ring main system I U

Diploma in Electrical and Electronics Engineering PAGE 165

` Choose the motor suitable for the Paper mill applications. Give reasons 11. II An for your choice.

12. State the advantage and disadvantage of belt drive II U

List the disadvantages of single phase low frequency A.C. traction 13. III U system.

14. Define Average speed and Schedule speed. III R

15. Compare lumen output for LED, CFL and incandescent lamp. IV An

16. Give any three requirements of heating elements V U

PART-C (5 x 10 = 50 marks)

Note: (i) Answer allthe questions choosing either sub-division (A)

Bloom’s or sub-division (B) of each question. Maximum Unit Taxonomy (ii)All questions carry equal marks. Marks Level 17. A. Diagrammatically represent the layout of a typical 11 kV / 400 V I R 10 substation with all details. OR B. Compare the volume of conductor materials required in three I An 10 phase, four wire system with D.C two wire with one conductor earthed. 18. A. i) Explain the types of electric drives and state its advantages and II U 5 disadvantages.

ii) Explain the different types of transmission of power. II R 5 (OR) B. Define Plugging and explain how it is applied to D.C series and shunt II U 10 motor. 19. A. Derive from basic principles for the crest speed using trapezoidal III An 10 speed time curve; State all your assumptions clearly with relevant units. OR

B. i) With an illustration explain the function of Booster Transformer in III U 5 traction. ii) Explain plain rheostatic method of starting D.C. traction motors. III R 5 20. A. State and prove the laws of illumination. IV U 10 OR B. i) What are the requirements of good lighting system IV U 5 ii) Explain stroboscopic effect and how it is eliminated in fluorescent tube light. IV An 5

Diploma in Electrical and Electronics Engineering PAGE 166

` 21. A. With a neat sketch explain Ajax-wyatt vertical core type furnace. V U 10 OR B. Explain LASER beam welding with neat sketch and state its V U 10 applications.

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10% THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING DISTRIBUTION AND UTILIZATION Model Question Paper –II

1. Name the types of busbar arrangement. I R

2. Write the use of Instrument transformer in substation. I U

3. Name any two types of enclosures used in drives II U

4. Write any two advantages of Electric Traction. III U

5. Define luminous Intensity. IV R

6. List any two applications of dielectric heating. V U

7. Define space-height ratio IV R

8. Define plugging? II R PART-B (5 X 3 = 15 marks) Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. State the advantages of interconnected system I U

Diploma in Electrical and Electronics Engineering PAGE 167

` 10. State any three differences between AC and DC system when calculations of I An voltage is carried out

11. Name the different types of electrical braking II R

12. State the components of OH electric traction system III R

13. State the advantage of bridge transition III U

14. Define glare and how to overcome it IV An

15. State different modes of heat transfer V R

16. Compare CFL and LED Lamps based on lumens output IV Ap

PART-C (5 x 10 = 50 marks) Note: (i) Answer allthe questions choosing either sub-division (A) Bloom’s or sub-division (B) of each question. Taxonomy Maximum Unit (ii)All questions carry equal marks. Level Marks

17. A. Draw and explain double bus bar arrangement and list its I R 10 advantages OR B. Explain the different equipments used in substation I R 10 18. A. Explain different types of drives stating its advantages and II U 10 disadvantages used in Industrial OR B. Suggest suitable motors for the following applications. Give II An 10 reasons for your choice i) Paper mill ii) Cement mills 19. A. Explain contactor type bridge transition controller. III U 10 OR

B. Show that the starting efficiency of series parallel method of III An 10 starting with two motor is 16.67% more than that of plain rheostatic starting. 20. A. Define Illumination, Luminous intensity, Utilisation factor, Lamp IV R 10 efficiency and reduction factor OR B. Explain with neat sketch the construction and working of IV R 10 Sodium vapour lamp. 21. A. Explain Dielectric heating and Eddy current heating. V U 10 OR B. Explain with suitable diagrams the types of resistance welding V U 10

Diploma in Electrical and Electronics Engineering PAGE 168

` Note: The question paper setters are requested to follow the Revised Bloom’s Taxonomy level as presented below: Bloom’s Taxonomy Lower Order Thinking Skills (LOTs) Higher Order Thinking Skills (HOTs)

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : VI Course Code : 15O - 3313 Course Name : OPERATION AND MAINTENANCE OF ELECTRICAL EQUIPMENT

TOPICS AND ALLOCATION OF PERIODS

Unit No Topic No of Periods I EARTHING ARRANGEMENTS, SAFE WORKING OF ELECTRICAL 15 EQUIPMENT, BUILDING ELECTRICAL INSTALLATIONS II OPERATION & MAINTENANCE OF TRANSFORMER 16 III OPERATION & MAINTENANCE OF GENERATORS, SUB-STATIONS AND 16 CIRCUIT BREAKERS IV OPERATION & MAINTENANCE AC MOTORS AND STARTERS 15 V OPERATION & MAINTENANCE OF LIGHTING, TRANSMISSION AND 15 DISTRIBUTION CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 9 INDUSTRIAL VISIT 4 TOTAL 90

Diploma in Electrical and Electronics Engineering PAGE 169

` COURSE OUTCOMES

15O – 3313Operation and Maintenance of Electrical Equipment On successful completion of this course, students should be able to : Apply the methods of earthing, testing and use of fire extinguishers in C602.1 electrical installations C602.2 : Identify the causes of faults in transformer in operation : Describe the protetive measures for alternators and maintanence C602.3 procedures of circuit breakers : Retrospet the pointsto be attended during the maintenance of Ac motors C602.4 and starters : Infer the various aspects of maintenance of lighting, transmission and C602.5 distribution lighting CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C602.1 - 3 3 2 2 2 2 1 2 2 3 - C602.2 - 2 3 2 2 2 2 1 2 2 3 - C602.3 1 3 3 2 2 2 2 1 2 2 3 - C602.4 1 2 3 2 2 2 2 1 2 2 3 - C602.5 1 2 3 2 2 2 2 1 2 2 3 - Total 3 12 15 10 10 10 10 5 10 10 15 - Correlation 1 2.4 3 2 2 2 2 1 2 2 3 - Level

DETAILED SYLLABUS

UNIT 1 EARTHING ARRANGEMENTS, SAFE WORKING ON ELECTRICAL EQUIPMENT, BUILDING ELECTRICAL INSTALLATIONS …….15 PERIODS Earthing Arrangements:

1.1 Points to be earthed, Earthing Procedure, Earth resistance measurement, Action to be taken to reduce earthing resistance, Earth Leakage Protection(ELCB).

Safe Working on Electrical Equipment:

Authorized Person, Procedure for Shutdown, and Testing device for Electricity, Special shutdown precautions in substations and Power House.

Building Electrical Installations:

Points to be inspected, Insulation Resistance Measurement Procedure, Points to be checked in switches and fuses, Points to be inspected in Potable equipment, Action to be taken if an electrical equipment catches fire, Different types of Fire extinguishers & its applications.

Diploma in Electrical and Electronics Engineering PAGE 170

` (Refer weblinks:https://www.youtube.com/watch?v=OTkgIvin-U0for earthing andhttps://youtu.be/tUPeynjRcNIfor electrical safety)

UNIT 2 OPERATION & MAINTENANCE OF TRANSFORMER ……16 PERIODS

Principle Forces generated in transformer during short circuit- Noise in operation – Reason for temperature rise – insulation resistance-Drying out- precaution for paralleling transformer-inrush current and remedy – insulation co-ordination-effect on insulation during star point earthing –transformer maintenance schedule – action to be taken while transformer oil, temperature rises unduly – points to be checked by oil level tends to fall down – attention required for bushing and insulator. (Refer weblink: https://youtu.be/6LLVWzh47CY for drying out procedure in transformer

Diploma in Electrical and Electronics Engineering PAGE 171

` UNIT 3 OPERATION & MAINTENANCE OF GENERATORS, SUB- STATIONS AND CIRCUIT BREAKERS …… 16 PERIODS Generators:

3.1 Parallel operation of Alternators, Real power and Reactive power adjustment between alternator running in parallel, AVR role, Causes for Alternator fails to buildup, Instability in Alternator, Cyclic speed irregularity, Protective & Indicative equipments for Alternator, Causes for overheating of armature & field winding of Alternators, Causes for circulating current between Alternators running in parallel, Causes for pitting of Alternator bearings, Reverse current protection & its necessity.

Sub-stations and Circuit Breakers:

Difference between Isolator & Circuit breaker Rupturing capacity of Circuit breaker, Short-circuit calculations, Conditions can a circuit breaker arranged to trip, Auto reclose breaker, Fault clearance time, Inverse time overload relay, Procedure to ensure proper operation of Circuit breaker in the event of a fault, Maintenance requirement for Oil Circuit Breakers, Attention required for the contacts of Contactors, Maintenance requirement of SF6 Circuit breakers. (Refer weblinks: https://www.youtube.com/watch?v=G5HraMKr1Nk for maintenance of generators and https://youtu.be/dW2YYABJAacfor circuit breaker) UNIT 4 OPERATION & MAINTENANCE AC MOTORS AND STARTERS …….15 PERIODS

4.1 Change the direction of Rotation, Role of Single phase preventer, Types of enclosures, Permissible overload, effect of ambient temperature, Insulation classification, Indicating & Protecting devices for Large Size Motors, If overload mechanism trips frequently what action to be taken, Control devices for motors, role of relays in motor, Points to be attended during periodical maintenance, Air gap measurement, Ball & Roller bearing usage, precautions in fitting bearings, bearing problems, Alignment of directly coupled motors, Static and Dynamic balancing of rotor, Causes of low insulation resistance, rectification of low insulation resistance problem, drying out of motors, Step to be taken if a motor is unduly hot, Vacuum impregnation, Selection of starters for High/Low starting torque applications . (Refer weblink: https://youtu.be/g-1soWYcy9E for motor maintenance andhttps://youtu.be/OaPdwmBaaGg for vacuum impregnation) UNIT 5 OPERATION & MAINTENANCE OF LIGHTING, TRANSMISSION AND DISTRIBUTION ……..15 PERIODS

5.1 Lighting Glare reduction, Stroboscopic Effect and methods to reduce, Steps in Designing Lighting Installation, Troubleshooting in Fluorescent Lamp and Discharge Lighting, Street Light Control methods, Fluorescent Lamp Disposal, precautions in Erecting Lighting Installations. Symptoms to identify the end of the useful life of Lamp, Causes for lowering of Illumination level. Transmission and Distribution Permissible limit for variation of voltage/frequency as per – Standard, Factor of Safety, Safety devices for overhead Transmission lines, Minimum clearance of

Diploma in Electrical and Electronics Engineering PAGE 172

` between conductors & building, Advantages & Limitations of Steel Cored Aluminum Conductors (ACSR), Purpose of continuous earth wire, Points to be checked when carrying out inspection in overhead transmission line, Prevent rusting of Steel post, Protection requirements for Transmission line, Insulation level & Co-ordination, Precautions in erecting UG Cable, Causes for failure of UG Cable, Cable fault locations, Fall of potential method, Murray loop test method, Locating cable discontinuity. (Refer weblink: https://youtu.be/wOnvaXWt8ZY for stroboscopic effect and https://youtu.be/Xvb6czwO2XE for cable faults

TEXT BOOKS YEAR OF PUBLISHING / S.No Title Author Publisher EDITION Operation and 2011, First Reprint Maintenance of Media Promoters & Publishers B.V.S.Rao 1. Electrical Equipment– Private Limited, Mumbai Volume I & II

REFERENCE BOOKS YEAR OF PUBLISHING / S.No Title Author Publisher EDITION Testing, Commissioning, Khanna Publishers, New Delhi 2010, Sixth Edition Operation and B.V.S.Rao 1. Maintenance of Electrical Equipments

LIST OF PROPOSED STUDENT ACTIVITIES I. INDUSTRIAL VISITS To impart industrial visit to any one of the following industries to understand real time applications: 1. Salem Steel plant, Salem 2. Special Maintanance of Transformers, Uddyyapatti, Sale. 3. Erode Electric Locoshed, Erode

Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned.

II. SEMINARS Seminars to be organized on any one of the following topics in association with the IE(I)/ISTE and the Students’ Technical Association of Electrical and Electronics Engineering Department: 1. Heavy Electrical Equipments 2. Control panels and switch Gears 3. State of art testing tools for trouble shooting of machines III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES: 1. Mi Power, ETAP 2. accessengineeringlibray.com 3. electrical-engineering-portal.com

Diploma in Electrical and Electronics Engineering PAGE 173

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING OPERATION AND MAINTENANCE OF ELECTRICAL EQUIPMENT Model Question Paper – I Year/Sem: III / VI Max. Marks : 75 Course Code: 15O-3313 Time : 3 Hrs

PART-A (5 X 2 = 10marks) Bloom’s Unit Taxonomy Note : (i)Answer any FIVE Questions out of which question No. 8 is compulsory Level (ii) All questions carry equal marks

1 Why is earthing of electrical apparatus necessary? I U 2 Name the common type of testing device used. I R 3 Why drying out is necessary in transformer? II U What are the indicating and protective equipmentsprovided on the alternator 4 III R panels? 5 What are the causes of instability in alternators? III U 6 How do you change the direction of rotation of an AC motor? IV U 7 Define Glare and how it is reduced? V U 8 List out the protective devices normally provided on motor starters IV R

PART-B (5 X 3 = 15marks) Note: (i)Answer any FIVE Questions out of which question No. 16 is compulsory Bloom’s Unit Taxonomy (ii) All questions carry equal marks Level 9. Briefly explain the working of soda acid type fire extinguisher. I U 10. What are the points to be checked in switches? I U What actions to be taken while the temperature of transformer oil rises 11. II U unduly? 12. State cyclic speed irregularity. III R 13. Write the differences between an isolator and circuit breaker. III U What are the main points to be attended during periodical maintenance of 14. IV U motors? 15. State the role of relays in motors. IV R 16 How the fluorescent lamp should be disposed? V R

Diploma in Electrical and Electronics Engineering PAGE 174

` PART-C (5 x 10 = 50marks) Bloom’s Note: (i) Answer allthe questions choosing either sub-division (A) or sub- Taxono division(B) of each question. Unit Maximum my Marks (ii) All questions carry equal marks Level Explain the different methods of insulation test with suitable 17. A I I U 10 diagrams. OR What are the points to be inspected in portable equipment in the B U 10 I electrical installations? I 18. A I Write short notes on noise in transformer operation. II U 5 Explain the points to be checked if the transformer oil level tends II to fall down. II U 5

OR B I Describe the precautions for paralleling transformer. II U 10 19. A I What is an AVR and explain its function and why is it provided? III U 5 II Explain reverse current protection and why is it necessary? III U 5 OR B I Explain the maintenance required for SF6 circuit breakers. III Ap 10 Explain the various types of enclosures in which electric motors are 20. A IV U 5 I available. Describe the precautions required in fitting ‘Ball and roller IV U 5 II bearings’ OR B I If a motor is reported to be getting unduly hot, what will you do? IV An 10 What are the points to be checked when carrying out inspection of 21. A V R 5 I OH lines? II What are the causes of failure of UG cable? Explain in detail. V U 5 OR B I Explain the different methods of controlling street lights. V U 10

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

Diploma in Electrical and Electronics Engineering PAGE 175

` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING OPERATION AND MAINTENANCE OF ELECTRICAL EQUIPMENT Model Question Paper - II Year/Sem: III / VI Max. Marks : 75 Course Code: 15O-3313 Time : 3 Hrs

PART-A (5 X 2 = 10marks) Bloom’s Note : (i)Answer any FIVE Questions out of which question No. 8 is compulsory Unit Taxono my Level (ii) All questions carry equal marks 1 Who is an ‘authorised person’? I U 2 Name the different types of fire extinguishers. I R 3 Write any few reasons for temperature rise of a transformer. II U 4 List the essential conditions for satisfactory parallel operation of transformers? II R 5 What are the causes of overheating of armature and field winding of alternators? III R 6 What is the cause of pitting of alternator bearings? III U 7 Name the control devices used in motors. IV R 8 Define ‘factor of safety’ V R PART-B (5 X 3 = 15marks) Note Note: (i)Answer any FIVE Questions out of which question No. 16 is compulsory Bloom’s Unit Taxono (ii) All questions carry equal marks my Level What are the main points to be checked during the annual inspection of electrical 9. I U installations? 10. How do you reduce the earthing resistance, Explain I U 11. What is meant by insulation coordination? II U What is the effect of increasing or decreasing the excitation of an alternator when 12. III R running in parallel with another? 13. If a ball or roller bearing is noisy, what does it indicate? IV U 14. Give a short notes on static balancing of rotor IV U 15. Is it necessary to run a continuous earth wire on the overhead line post? V U 16 What is meant by an ‘auto-reclose’ breaker? III R

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` PART-C (5 x 10 = 50marks) Bloom’s Note : (i) Answer allthe questions choosing either sub-division (A) or sub-division (B) of Taxono Unit Maximum each question. my Marks Level (ii)All questions carryequalmarks 17. A I Describe earth leakage protection with neat sketches. I U 5 II How is the earth resistance measured? Explain withneat diagram? I U 5 OR Explain the operation and applications of different types of fire B I I U 10 extinguishers. 18. A I Explain the transformer inrush current and its remedies. II U 5 II Write short note on bushing and insulator used in transformers II U 5 OR

B I Explain the drying out methods used in transformer. II U 10

If a generator fails to build up voltage when started or the voltage of the 19. A I generator is too low, what are the possible defects and how will you III An 5 overcome them? What is rupturing capacity of a circuit breaker and what should its value II III U 5 be? OR How do you ensure proper operation of circuit breakers in the event of a B I III U 10 fault? 20. A I What is vacuum impregnation and Explain how is it done? IV U 10 OR

B I What is Balancing? Explain the two methods of Balancing. IV U 10

21. A I What is meant by stroboscopic effect and How it can be reduced? V U 5 II If a fluorescent lamp does not work, how would you proceed rectifying it? V An 5 OR B I Explain in detail the Murray loop test method. V U 10

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

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` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : VI Course Code : 15O- 3314 Course Name : WIRING AND WINDING PRACTICAL TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods Periods / Continuous Semester End Total / week Semester Assessment Examinations WIRING AND WINDING 6 90 25 75 100 3 Hours PRACTICAL

COURSE OUTCOMES

15O – 3314Wiring and Winding Practical On successful completion of this course, students should be able to : Demonstrate the lighting circuits like three lamps individual control, C604.1 staircase wiring, emergency alarm control and tunnel circuit C604.2 : Develop single phase and three phase motor control circuits C604.3 : Construct the single phase service connection C604.4 : Illustrate and troubleshoot the wiring of SV,MV and fluorescent lamps : Design the winding for small portable potential transformer and no volt coil C604.5

CO-PO & PSO’S MAPPING MATRIX:

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C604.1 - 3 3 - 3 1 2 3 2 3 3 3 C604.2 - 3 3 - 3 1 2 3 2 3 3 3 C604.3 - 3 3 - 3 1 2 3 2 3 3 3 C604.4 - 3 3 - 3 1 2 3 2 3 3 3 C604.5 - 3 3 - 3 1 2 3 2 3 3 3 Total - 15 15 - 15 5 10 15 10 15 15 15 Correlation - 3 3 - 3 1 2 3 2 3 3 3 Level

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LAB EXERCISES

WIRING

1. Control three lamps with individual switch and provide MCB for master control.

2. To prepare a wiring circuit to check the availability of R/Y/B phases using one lamp only by operating individual switches for each phase and test it.

3. Stair case wiring for G+3 floors.

4. Emergency alarm wiring with 3 bells and 3 push buttons.

5. Wiring of single phase motor using single phase main switch, D.O.L starter and MCB.

6. Wiring of Three phase induction motor with main switch, Star/delta starter and ELCB.

7. House wiring for a service connection with single phase digital Energy meter , cutout, main switch, 4way D.B, Indicator lamp.

8. Wiring of sodium vapour and mercury vapour Lamp.

9. Wiring and troubleshooting the Fluorescent Tube light.

10. Make a switch board to control two lamps and one fan with plug point, provide four switches, one regulator and one 3 pin 6A plug point.

11. Design and implement a test board with indicator lamp, fuse unit to test electrical appliances.

12. Tunnel wiring using 4 lamps. 13. In a 3 phase, 4 wire system, connect two lamps in different ratings between R-Phase to Neutral and Y-phase to Neutral respectively. Disconnect the Neutral using SPST switch. Note the changes occur in two lamps.

WINDING

1. Design, construct and test a 230/12-0-12 volt, 500mA Transformer.

2. Design No volt coil for a 230/440V AC contactor.

3. Dismantling a faulty ceiling fan and identify the fault, run the fan after rectifying the fault.

4. Demonstrate the end connection for a 3 phase induction motor winding for a 2 poles / 4pole operations.

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EQUIPMENTS REQUIRED

S.NO. DESCRIPTION SPECIFICATION QTY 01. SPST Flush type switch 250V/6A 15 02. Batten Lamp holder - 10 03. Round block 20 04. Switch board 20cm*15 cm 4 05. Switch board 10cm*10cm 15 06. M.C.B. 250V/10A ,2 pole 2 07. Push button switch 250V/6A 5 08. 2 plate ceiling rose 250V/6A 10 09. Electric bell 250V/6A 3 10. Single phase D.P.I.C. Main switch 250V/16A 3 11. Single phase D.O.L. Starter 250V/10A 1 12. Three phase T.P.I.C. Main switch 500V/30A 2 13. Star / delta starter 440V/5HP 1 14. E.L.C.B. 30mA/100mA 1 15. Single phase, Digital Energy meter 250V/16A,50HZ 1 16. Cut out 16A 1 17. Single phase, 4 way distribution Box 250V/15A 2 18. Mercury vapour lamp with accessories 1 Set 19. Sodium vapour lamp with accessories 1 Set 20. Fluorescent tube light with electronic Choke and holder 40W 2 Set 21. Two way flush type switch 250V/6A 10 22. Wooden box 30 cm*15cm 4 23. PVC pipe ¾”/1″ Req.Qty 24. Saddle clips ¾”/1 ″ Req.Qty 25. Copper wire 2.5 Sq.mm, 1.5 Sq.mm Req.Qty 26. 1” junction box 1 way,2way,3way Req.Qty 27. Screws Req.Qty 28. Bare copper wire 2.5 Sq.mm Req.Qty 29. Lamps (C.F.L. or Incandescent) Different ratings Req.Qty 30. EI60 type stampings of 0.35 mmthickness 55 31. Readymade bobbins (EI60/21) Req.Qty 32. 25 SWG, 36 SWG, Enameled copper wire 37 SWG Req.Qty 33. Varnish Req.Qty 34. Winding machine 1 35. Ceiling fan 2 36. Single phase induction motor 0.5 HP/50HZ,240V 1 37. Three phase squirrel cage induction motor 3HP, 500 V, 50 Hz 1 38. Gauge plate for measurement of SWG 1

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` 39. Winding study motor (3Ф squirrel cage type) 1

SCHEME OF VALUATION

MARK S.No NAME OF ACTIVITY ALLOCATION 1 Wiring Diagram / Design 20

2 Execution 40

3 Result 10

4 Viva-voce 05

Total Marks 75

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THIAGARAJAR POLYTECHNIC COLLEGE, SALEM Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : VI Course Code : 15O – 3315 Course Name : SOLAR POWER PRACTICAL

COURSE OUTCOMES

15O – 3315Solar Power Practical On successful completion of this course, students should be able to C605.1 : Demonstrate the I.V and P.V Characteristics of P.V modules : Interpret the working of shading of solar panel bypass diode and blocking C605.2 diode C605.3 : Illustrate the waveforms in inverter in automode and standalone PV system : Infer the electrical parameters of a monocrystalline and polycrystalline C605.4 battery management system : Outline the MPPT and PWM charge controller and converter the normal C605.5 inverter into solar inverter system

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 CO605.1 3 3 3 2 2 3 2 3 2 3 3 3 CO605.2 - 3 3 2 2 3 2 3 2 3 3 3 CO605.3 - 3 3 2 2 3 2 3 2 3 3 3 CO605.4 - 3 3 2 2 3 2 3 2 3 3 3 CO605.5 - 3 3 2 2 3 2 3 2 3 3 3 Total 3 15 15 10 10 15 10 15 10 15 15 15 Correlation 3 3 3 2 2 3 2 3 2 3 3 3

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` Level

LAB EXERCISES

1. Study of Flat plate solar water heater 2. Draw the I-V and P-V Characteristics of PV module with varying radiation and temperature level. 3. Draw the I-V and P-V characteristics of series and parallel combination of PV modules. 4. Find the effect of variation in tilt angle and orientation of PV module power. 5. Study the effect of shading on the output of solar panel. 6. Study the working of diode as Bypass diode and blocking diode. 7. Study the various types of solar power system – ON grid, OFF grid, Grid tie system, Grid connected system, Captive power plant, Utility power plant 8. Measure the output waveform of the inverter in auto mode 9. Calculate the power flow of standalone PV system of AC load/DC load with battery. 10. Find the MPP manually by varying the resistive load across the PV panel. 11. Study the various electrical measuring equipments in solar system 12. Determine the different electrical parameters of a monocrystalline and polycrystalline silicon solar panel 13. Measure the Electrical parameters associated with batteries charging/discharging curves and of a battery management system 14. Study the MPPT and PWM charge controller with respect to efficiency 15. Study the conversion of a normal inverter system to a solar inverter system Equipments/ Meters required

S.No. Specification of the required Materials/Meters Quantity 1. Solar water heater 1 no. 2. Solar panel(monocrystalline/Polycrystalline) 1 no. 3. Pyrheliometer 1 no. 4. Pyranometer 1 no. 5. Magnetometer 1 no. 6. Voltmeter 1 no. 7. Ammeter 1 no. 8. Multimeter 1 no.

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` 9. Manometer 1 no. 10. Anemometer 1 no. 11. Lux meter 1 no.

SCHEME OF VALUATION

MARK S.No NAME OF ACTIVITY ALLOCATION 1 Circuit Diagram 20

2 Characteristics/inference 40

3 Result 10

4 Viva-voce 05

Total Marks 75

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THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Course Name : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : VI Course Code : 150 – 3316 Course Title : PROJECT WORK, ENVIRONMENT AND DISASTER MANAGEMENT

TEACHING AND SCHEME OF EXAMINATION

No. of weeks per Semester: 15Weeks

Examination Instructions Max. Marks Course Duration Periods Periods Continuous Semester End Total / week /Semester Assessment Examinations PROJECT WORK ENVIRONMENT 4 60 25 75 100 3 Hours AND DISASTER MANAGEMENT

COURSE OUTCOMES

15O – 3316 Project work, Environment and Disaster Management On successful completion of this course, students should be able to : Apply the theoretical and practical knowledge suitable for a practical C607.1 working environment C607.2 : Acquire knowledge on industrial environment and its work ethics. : Gain knowledge on team work through discussion among the students and C607.3 prepare a final project report C607.4 : Assess the facts and importance of environment management C607.5 : Gain knowledge about disaster management

CO-PO & PSO’s Mapping Matrix:

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2

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` C607.1 2 3 3 3 2 2 2 3 3 2 3 1 C607.2 - 3 2 1 3 3 3 3 3 2 3 1 C607.3 - 3 2 3 2 2 2 3 3 2 3 1 C607.4 - 2 2 2 2 3 3 3 3 2 2 1 C607.5 2 2 2 2 2 3 2 3 3 2 2 1 Total 4 13 11 11 13 13 12 15 15 10 13 5 Correlation 2 2.6 2.2 2.2 2.6 2.6 2.4 3 3 2 2.6 1 Level

DETAILED SYLLABUS

ENVIRONMENTAL & DISASTER MANAGEMENT

1. ENVIRONMENTAL MANAGEMENT

Introduction – Environmental Ethics – Assessment of Socio Economic Impact – Environmental Audit – Mitigation of adverse impact on Environment – Importance of Pollution Control – Types of Industries and Industrial Pollution.

Solid waste management – Characteristics of Industrial wastes – Methods of Collection,transfer and disposal of solid wastes – Converting waste to energy – Hazardous waste management Treatment technologies. Waste water management – Characteristics of Industrial effluents – Treatment and disposal methods – Pollution of water sources and effects on human health.

Air pollution management – Sources and effects – Dispersion of air pollutants – Air pollution control methods – Air quality management.

Noise pollution management – Effects of noise on people – Noise control methods.

2. DISASTER MANAGEMENT

Introduction – Disasters due to natural calamities such as Earthquake, Rain, Flood, Hurricane, Cyclones etc – Man made Disasters – Crisis due to fires, accidents, strikes etc– Loss of property and life..

Disaster Mitigation measures – Causes for major disasters – Risk Identification – Hazard Zones – Selection of sites for Industries and residential buildings – Minimum distances from Sea – Orientation of Buildings – Stability of Structures – Fire escapes in buildings - Cyclone shelters – Warning systems.

Disaster Management – Preparedness, Response, Recovery – Arrangements to be made in the industries / factories and buildings – Mobilization of Emergency Services - Search and Rescue operations – First Aids – Transportation of affected people – Hospital facilities – Fire fighting arrangements – Communication systems – Restoration of Power supply – Getting assistance of neighbors / Other organizations in Recovery and Rebuilding works – Financial commitments – Compensations to be paid – Insurances – Rehabilitation

INTERNAL ASSESSMENT:

The internal assessment should be calculated based on the review of theprogress of the

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` work done by the student periodically as follows.

DETAIL OF ASSESSMENT PERIOD OF ASSESSMENT MAX. MARKS First review 6th week 10 Second review 14th week 10 Attendance Entire semester 5

Total 25

EVALUATION FOR AUTONOMOUS EXAMINATIONS Details of Mark allocation Max Marks Marks for Report Preparation, Demo, Viva-voce 65 Marks for answers of 4 questions which is to be set by the 10 external examiner from the given question bank consisting of questions in the following two topics Disaster Management and Environmental Management. Out of four questions two questions to appear from of the above topics ie. 2 questions x 2 topics =4 questions

4 questions x 2 ½ marks = 10 Marks Total 75

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THIAGARAJAR POLYTECHNIC COLLEGE, SALEM Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : VI Course Code : 15O – 3403A Course Name : POWER ELECTRONICS TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods Periods/ Continuous Semester End Total / week Semester Assessment Examinations

POWER 5 75 25 75 100 3 Hours ELECTRONICS

TOPICS AND ALLOCATION OF PERIODS

Unit No Topic No of Periods

I THYRISTOR FAMILY, TRIGGER AND COMMUTATION CIRCUITS 12

II LINE COMMUTATED POWER CONTROL CIRCUITS 12

III FORCED COMMUTATED POWER CONTROL CIRCUITS 13

IV APPLICATIONS OF POWER ELECTRONICS 12

V APPLICATIONS OF MOTOR DRIVES 13

CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 9

INDUSTRIAL VISIT 4

TOTAL 75

COURSE OUTCOMES

15O – 3403APower Electronics On successful completion of this course, students should be able to

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` C603A.1 : Summarise the operation of SCR and its Triggering and Commutation circuits C603A.2 : Discuss the performance of phase controlled rectifiers C603A.3 : Outline the construction and working of Choppers and Inverters C603A.4 : Explain the operation of SMPS and outline the applications of power electronics C603A.5 : Explain different methods of DC and AC Drives.

CO-PO & PSO’S MAPPING MATRIX

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C603A.1 - 3 2 2 2 - - 2 2 2 3 2 C603A.2 - 3 2 2 2 - - 2 2 2 3 2 C603A.3 - 3 2 2 2 - - 2 2 2 3 2 C603A.4 - 3 2 2 2 - - 2 2 2 3 2 C603A.5 - 3 2 2 2 - - 2 2 2 3 2 Total - 15 10 10 10 - - 10 10 10 15 10 Correlation - 3 2 2 2 - - 2 2 2 3 2 Level

DETAILED SYLLABUS

UNIT 1 THYRISTOR FAMILY, TRIGGER AND COMMUTATION CIRCUITS …….12 PERIODS 1.1 Power Electronics: 3Per Definition- Scope and Applications – Power Electronic Switch Specifications-Types of Power Electronic Circuits-Design of Power Electronics Equipment -Power module – Intelligent module. Silicon Controlled Rectifier: 2Per 1.2 Forward Blocking Region-Forward Conducting Region-Reverse Blocking Region-Effect of dv/dt and Snubber Circuits-Effect of Rate of Rise in Current (di/dt)-Thyristor Ratings Refer the weblink:https://www.youtube.com/watch?v=v58KiktJLyE forSilicon Controlled Rectifier TriggeringCircuits for Thyristor: 4Per 1.3 Thyristor Gate Requirements- (Resistance Triggering Circuits-RC Trigger Circuits-UJT based Trigger Circuits-Driver and Buffer Circuits for Thyristor Refer the weblink:https://www.youtube.com/watch?v=kS6sd8Py5qQfor triggering circuits of a Thyristor

Thyristor Commutation: 3Per 1.4 Techniques-Class A, ClassB, Class C, Class D, Class E Types-PowerDevices – MOSFET - IGBT – GTO Refer the weblink:https://www.youtube.com/watch?v=NEfwHxNxd8Q for commutation circuits

UNIT 2 LINE COMMUTATED POWER CONTROL CIRCUITS …….12 PERIODS

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` 2.1 Line Commutated Converters: 6 Per (Controlled Rectifiers)-Principle of Phase Controlled Converter Operation-Single Phase Full Converters- Single Phase Dual Converters-Three Phase Full Converters-Three Phase Dual Converters-Twelve Pulse converters. https://www.elprocus.com/dual-converter-working-using-thyristor-application/ 2.2 AC Voltage Controllers: Principle of Phase Control-Single phase Bidirectional controllers with Resistive Load - 6Per Single Phase Controller with Inductive Load-Three Phase Full Wave Controller - Cyclo Converters - Single Phase CycloConverters-Three Phase Cyclo Converters (Refer the weblink:https://www.youtube.com/watch?v=Hn23UTeTxaQ for single phase cycloconverter)

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` UNIT 3 FORCED COMMUTATED POWER CONTROL CIRCUITS ……..13PERIODS 3.1 Choppers: 6 Per DC-DC Switch-Mode Converters-Control of DC-DCConverters - Step-Down(BUCK) Converter-Continuous- Conduction Mode - Step-Up (BOOST) Converters-Continuous Conduction Mode –BUCK-BOOST Converters – Continuous Conduction Mode - Cuk DC- DC Converters Refer the weblink:https://www.youtube.com/watch?v=W5pLSKg-TyY for choppers 3.2 Inverters: DC-AC Switch-Mode Inverters-Pulse Width Modulated Inverters-Introduction - Principle 7 Per of Operation - Single Phase Bridge Inverters – Three Phase Inverters -1800 Conduction Mode - 1200 Conduction Mode - Voltage Control of Single Phase Inverters - Single Pulse Width Modulation - Multiple Pulse Width Modulation-Sinusoidal Pulse Width Modulation - Voltage Control of Three Phase Inverters -Sinusoidal PWM.

Refer the web link:https://www.youtube.com/watch?v=RLoCxLk8b8Y for inverters UNIT 4 APPLICATIONS OF POWER ELECTRONICS …….12PERIODS 4.1 Switch Mode Power Supplies : 6 Per Full Bridge Converter type - Uninterrupted Power Supply-ON line (No Break) and OFF line (Short-Break) types -Static AC CircuitBreaker - AC Solid State Relays. Refer the weblink:https://www.youtube.com/watch?v=E5RKBWhEUAUfor uninterrupted power supply 4.2 Applications of power electronics: 6Per High Frequency Flourescent Lighting-Induction Heating-Electric Welding - High Voltage DC Transmission-Wind and Small HydroInterconnection- Static VAR Compensators-Thyristor Controlled Inductors-Thyristor Switched Capacitors. Refer the web link:https://www.youtube.com/watch?v=raD4yP6PKGc for static VAR compensators UNIT 5 APPLICATIONS OF MOTOR DRIVES ……..12PERIODS 5.1 DC Drives: 3 Per DC Motor with a Separately Excited Field Winding - Line Frequency Converters -Effect of Discontinuous armature Current–Control of Adjustable Speed Drives(B -Switch-Mode DC-DC Converters Refer the weblink:https://www.youtube.com/watch?v=RIWtYlyJqOAfor dc to dc converter 5.2 AC Drives: Induction Motor Drives-Introduction- Basic Principle of Induction Motor Operation- 5Per Induction MotorCharacteristics at rated (line) frequency and rated voltage-Speed Control by Varying Stator frequency and voltage – Torque - SpeedCharacteristics-Start-Up Considerations-Voltage Boost required at low frequencies- Induction Motor Capability below and above the rated speed. Refer the web link:https://www.youtube.com/watch?v=zt9anNjlTc8 for ac drives 5.3 Applications of motor drives: 4Per Variable frequency Converter Classifications-Variable frequency PWM-VSI Drives -Line frequency Variable-Voltage Drives-Reduced Voltage Starting(“Soft Start”) of Induction Motors-Speed Control by Static Slip-Power Recovery. Refer the web link:seminarprojects.com/s/youtube-slip-power-recovery-working-principle for slip- power recovery TEXT BOOKS S.No. Name of the Book Author Publisher Year of Publishing / Edition 1. Power Electronics MD Singh McGraw Hill Publishing 2007, Second edition KB Khanchandhini Company New Delhi,

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` REFERENCES Sl.No. Name of the Book Author Publishers Year of Publishing / Edition 1 Power Electronics – Mohan Underland John Wiley and Sons, 2003, Third Edition ConverterApplications Robbins NewYork and Design 2 Fundamentals of G K Dubey Narosa Publishing 2004, Second Edition ElectricalDrives House,New Delhi 3 Fundamentals of Power S Rama Reddy Narosa Publishing 2002,First Edition Electronics House,New Delhi 4 Power Electronics Dr P S Bimhra Khanna Publishers, 2005,Nineteenth New Delhi edition 5 Power Electronics P C Sen Tata McGraw Hill 2005, Twenty fourth Publishing Company, reprint New Delhi, 6 Power Electronics Muhammad Prentice-Hall of India 2005,Third H.Rashid Pvt.Ltd. New Delhi Edition 7 Power Electronics M.S. Jamil Asghar Prentice-Hall of India 2009,Seventh Pvt.Ltd. New DelhI reprint 8 Power Electronics V. Jagannathan Prentice-Hall of India 2011,Second Edition Devices & Circuits Pvt.Ltd. New Delhi 9 Power Electronics Josep vithayathil Tata McGraw Hill 2010, Second edition Principle and Publishing Company, Applications New Delhi, LIST OF PROPOSED STUDENT ACTIVITIES I. INDUSTRIAL VISITS To impart industrial visit to any one of the following industries to understand real time applications: 1. Laxmi machine works,unit-I, Perianaikenpalayam,Coimbatore 2. Salem steel plant, Salem 3. Sharps Motors Pvt Ltd.,Coimbatore Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned. II. SEMINARS Seminars to be organized on any one of the following topics in association with the IE(I)/ISTE and the Students’ Technical Association of Electrical and Electronics Engineering Department: 1. Applications of AC drives 2. Switced mode power supply and UPS Design. 3.Applications of DC drives III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES: 1. PSPICE,Multisim,Orcad,tina 2. www.electrical4u.com 3. www.circuitstoday.com 4. www.allaboutcircuits.com 5.www.nxp.com 6.www.nptel.com

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` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING POWER ELECTRONICS Model Question Paper - I Year/Sem: III / VI Max. Marks : 75 Code no: 15O-3403A Time : 3 Hrs PART-A (5 X 2 = 10marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. State the scope of Power Electronics I R

2. Define Holding Current in SCR I R

3. Define AC voltage controller and mention the types of control II R

4. Define firing angle and Extinction angle II R

5. Mention the types of DC-DC converters III R

6. Define constant power system V R

7. Define slip and speed V R

8. Mention the types of static VAR controller IV U

PART-B (5 X 3 = 15marks) Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. Explain snubber circuit with neat diagram I U

10. Mention the advantages and disadvantages of GTO over thyristor I An

11. Draw the circuit arrangement of twelve pulse converter II U

12. Explain rectifying mode and inverting mode of full converters II U

13. Compare ON line UPS and OFF line UPS IV An

14. Explain Electric Welding with neat diagram IV U

15. Explain two quadrant converter with neat diagram V U

16. Explain Multiple pulse width modulation with neat diagram III U

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PART-C (5 x 10 = 50marks) Note: (i) Answer allthe questions choosing either sub-division (A) Bloom’s Maximum or sub-division (B) of eachquestion. Unit Taxonomy Marks (ii)All questions carry equal marks. Level 17. A. Explain driver and buffer circuits of thyristor with neat diagram I U 10 (OR) B. I U 10 Explain Class B and Class D Commutation with neat diagram

18. A. Explain the operation of three phase full wave controller II U 10 (OR) B. Explain the operation of single phase Cycloconverter with neat II U 10 diagram and waveform

19. A. Explain the continuous conduction mode of step up converter III U 10 with neat diagram (OR) B. Explain 180° conduction mode of three phase inverter with III U 10 neat diagram

20. A. Explain ON line UPS and OFF line UPS with neat block diagram IV U 10 (OR) B. Explain High Voltage DC transmission with neat diagram IV U 10

21. A. Explain line frequency converters with neat diagram V U 10 (OR) B. Explain speed control by static slip power recovery with neat V U 10 diagram

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

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THIAGARAJAR POLYTECHNIC COLLEGE, SALEM-636 005 (Autonomous Institution) DIPLOMA IN ELECTRICAL AND ELECTRONICS ENGINEERING POWER ELECTRONICS Model Question Paper-II Year/Sem: III / VI Max. Marks : 75 Code no: 15O-3403A Time : 3 Hrs

PART-A (5 X 2 = 10marks) Note : (i)Answer any FIVE Questions out of which question No. 8 Unit Bloom’s is compulsory Taxonomy Level (ii) All questions carry equal marks

1. Mention the various types of Power Electronic Circuits I U

2. What are the types of Commutation ? I U

3. What is Cycloconverter? II U

4. State the applications of inverters III R

5. Mention the types of PWM techniques in inverters III R

6. Define constant torque region V R

7. What is the difference between VSI and CSI V An

8. What are the advantages of HVDC transmission IV An

PART-B (5 X 3 = 15marks) Note : (i)Answer any FIVE Questions out of which question No. 16 Unit Bloom’s is compulsory Taxonomy (ii) All questions carry equal marks Level

9. Explain power module I U

10. Explain reverse blocking region in SCR I U

11. Explain the principle of ON-OFF control in AC voltage controller II U

12. State the advantages of single phase dual converter II An

13. Explain AC solid state relay using opto coupler IV U

14. Explain thyristor switched capacitor IV U

15. Explain Sinusoidal pulse width modulation with neat diagram III U

16. List the types of variable frequecy converters V U

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PART-C (5 x 10 = 50marks) Note: (i) Answer allthe questions choosing either sub-division (A) Bloom’s Maximum or sub-division (B) of eachquestion. Unit Taxonomy Marks (ii)All questions carry equal marks. Level 17. A. Explain RC full wave triggering circuit with neat diagram and I U 10 waveforms (OR) B. Explain the construction, working and characteristics of IGBT I U 10 with neat diagram 18. A. Explain single phase full converter with neat diagram II U 10 (OR) B. Explain the operation of three phase Cycloconverter with neat II U 10 diagram and waveform 19. A. Explain the operation of Cuk converter III U 10 (OR) B. Explain 120° conduction mode of three phase inverter with III U 10 neat diagram 20. A. Explain Switched Mode Power Supplies with neat diagram IV U 10 (OR) B. Explain static VAR compensators IV U 10 21. A. Explain line frequency converters with neat diagram V U 10 (OR) B. Explain induction motor capability below and above the rated V U 10 speed .

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

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` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Course Name : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : VI Course Code : 150 – 3404A Course Title : POWER ELECTRONICS PRACTICAL

TEACHING AND SCHEME OF EXAMINATION

No. of weeks per Semester: 15 Weeks

Examination Instructions Max. Marks Course Duration Periods Periods/ Continuous Semester End Total / week Semester Assessment Examinations POWER ELECTRONICS 6 90 25 75 100 3 Hours PRACTICAL

COURSE OUTCOMES

15O – 3404APower Electronics Practical On successful completion of this course, students should be able to C606A.1 : Analyse the charcteristics of SCR and triggering circuits C606A.2 : Perform the different characteristics of phase controlled rectifiers C606A.3 : Construct and test the step up/down choppers and inverters C606A.4 : Analyse the performance of speed control of DC and AC Motor. C606A.5 : Diagnose the universal motor control using TRIAC.

CO-PO & PSO’S MAPPING MATRIX:

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C606.1 2 3 3 2 2 - - 3 2 2 3 2 C606.2 - 3 3 2 2 - - 3 2 2 3 2 C606.3 - 3 3 2 2 - - 3 2 2 3 2 C606.4 - 3 3 2 2 - - 3 2 2 3 2 C606.5 - 3 3 2 2 - - 3 2 2 3 2 Total 2 15 15 10 10 - - 15 10 10 15 10 Correlation 2 3 3 2 2 - - 3 2 2 3 2 Level

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LAB EXERCISES 1. Characteristics of SCR and marking important parameters.

2. Line synchronized Ramp trigger circuit using UJT with AC load.

3. Lamp control circuit using DIAC – TRIAC.

4. SCR commutation circuits (Class B & Class D)

5. Single phase semi controlled bridge with R- Load

6. Single phase fully controlled bridge with RL- Load

7. Half wave controlled rectifier with R- Load.

8. DC chopper control circuit using thyristor (any one).

9. Construct and test the step up chopper.

10. PWM based step down DC chopper using MOSFET/IGBT.

11. Single phase Single pulse / Sinusoidal PWM inverter using MOSFET/IGBT.

12. SMPS using MOSFET/IGBT.

13. DC shunt motor speed control circuit (open loop)

14. Universal motor control circuit using TRIAC.

15. Open loop speed control of Single phase AC motor.

16. Single phase parallel inverter using MOSFET/IGBT

17. Single phase to single phase cyclo converter.

EQUIPMENTS REQUIRED

S. NO NAME OF THE EQUIPMENT NO OF QUANTITY 1 Line synchronized ramp trigger circuit using UJT trainer kit 1 2 Lamp control circuits using DIAC-TRIAC trainer kit 1 3 SCR commutation circuits (Class B & Class D) 1 4 Construct and test the single phase semi controlled bridge with R- 1 Load trainer Kit

5 Single phase fully controlled bridge with RL-Load trainer kit 1 6 Half wave controlled rectifier with R-Load trainer kit 1 7 Construct and test the DC chopper control circuit using thristor 1 (any class )trainer kit

8 Step up chopper trainer kit 1

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` 9 PWM based step down DC chopper using MOSFET/IGBT trainer kit 1 10 Single phase single pulse / sinusoidal PWM inverter using 1 MOSFET/IGBT trainer kit 11 SMPS using MOSFET /IGBT trainer kit 1 12 Open loop speed control circuit for DC shunt motor trainer kit 1 13 Control circuit using TRIAC for universal motor trainer kit 1 14 Open loop speed control of single phase AC motor trainer kit 1 15 Singal phase paraller inverter using MOSFET/IGBT trainer kit 1 16 Singal phaseto single phase cyclo converter trainer kit 1 17 CRO with power probe 4 18 Multi meter 3 19 R- Load 2 20 RL-Load 2

SCHEME OF VALUATION

S.No. NAME OF THE ACTIVITY MARKS ALLOCATED

1. Circuit Diagram 20

2. Connections 15

3. Readings and Graph 20

4. Procedure and Result 15

5. Viva Voce 05

TOTAL 75

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THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : VI Course Code : 15O –3403B Course Name : BIO MEDICAL INSTRUMENTATION

TEACHING AND SCHEME OF EXAMINATION

No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Duration Periods Periods/Se Continuous Semester End Total / week mester Assessment Examinations BIO MEDICAL 5 75 25 75 100 3 Hours INSTRUMENTATION

TOPICS AND ALLOCATION OF PERIODS

Unit No Topic No of Periods I PHYSIOLOGICAL & CLINICAL MEASUREMENT 13 II BIO - MEDICAL RECORDERS 12 III THERAPEUTIC INSTRUMENTS 12 IV BIO – TELEMETRY AND PATIENT SAFETY 12 V MODERN IMAGING TECHNIQUES 13 INDUSTRIAL VISIT 04 CONTINUOUS ASSESSMENT TEST AND MODEL EXAMINATION 10 TOTAL 75

COURSE OUTCOMES

15O – 3403B Bio Medical Instrumentation On successful completion of this course, students should be able to C603B.1 : Understand the basic concepts of Physiological and clinical measurement C603B.2 : Acquire knowledge about various Biomedical Recorders C603B.3 : Describe the working of Therapeutic Instruments C603B.4 : Explain the concept of bio telemetry and patient safety C603B.5 : Develop knowledge on modern imaging techniques

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CO-PO & PSO’S MAPPING MATRIX:

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C603B.1 2 3 3 2 2 - - 3 2 2 3 2 C603B.2 2 3 3 2 2 - - 3 2 2 3 2 C603B.3 2 3 3 2 2 - - 3 2 2 3 2 C603B.4 2 3 3 2 2 - - 3 2 2 3 2 C603B.5 2 3 3 2 2 - - 3 2 2 3 2 Total 10 15 15 10 10 - - 15 10 10 15 10 Correlation 2 3 3 2 2 - - 3 2 2 3 2 Level

DETAILED SYLLABUS

UNIT 1 PHYSIOLOGICAL & CLINICAL MEASUREMENT .....13PERIODS 1.1 Physiological Measurement: 6Per Elementary ideas of cell structure, heart and circulatory system, Control nervous system, Musclo-skeletal system, Respiratory systemBody temperature and reproduction system. Bio – Potential and their generation – Resting and action potential – Propagation of actionpotential.

Clinical Measurement: 7Per 1.2 Electrodes – Micro – Skin – Surface – Needle electrodesMeasurement of Blood pressure (direct, indirect) –Instantaneous flow (Electro Magnetic flow meter, Ultrasonic blood flow meter) – Blood pH Measurement of Respiration rate – Lung volume – Heart rate – Temperature (body temperature & Skin temperature) Chromatography, Photometry, Flurometry. Refer the weblink:https://www.youtube.com/watch?v=oHgg4S9xIiA for control nervous system and https://www.youtube.com/watch?v=AlTmN5U172g FOR Blood pH measurement of Respiration rate UNIT 2 BIO - MEDICAL RECORDERS .....11PERIODS 2.1 ECG and EEG: 6Per Electro cardiograph (ECG) – Lead system – ECG electrodes – ECG amplifiers – ECG recording units – analysis of ECG curves. Nervous system – EEG recorder – 10-20 lead system – Recording techniques – EEG wave types – Clinical use of EEG.

2.2 EMG and ERG: 6Per Brain Tumour - Electro Myograph (EMG) – EMG waves – measurement of conduction velocity – EMG recording techniques – Electro Retinograph (ERG) - Audiometer – Principle – Types – Basic audiometer working

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` Refer the weblink:https://www.youtube.com/watch?v=ygsvAZVA6sc for electro cardiograph and https://www.youtube.com/watch?v=jHYpr1EPEIs for myograph

UNIT 3 THERAPEUTIC INSTRUMENT .....12PERIODS 5Per Pacemaker: 3.1 Cardiac pacemaker – Classification – External pace makers – Implantable pacemaker – Pacing techniques – Programmable pacemaker – Power source of implantable pacemakers (Hg batteries,nuclear batteries, Lithium cells) 3.2 4Per Defibrillators: Cardiac defibrillators – Types – AC –DC defibrillators Heart lung machine – Oxygenators – Blood pumps – Peristaltic pump – Heart valves – Problems of artificial heart valves. 3.3 Dialysis: 3Per Dialysis – Hemo dialysis – Peritoneal dialysis. Endoscopy – Principleof working and applications. Refer the weblink:https://www.youtube.com/watch?v=lSdl2jVfpxs for cardiac pacemaker andhttps://www.youtube.com/watch?v=Cx7uPuRqNME for DC defibrillators heart lung machine UNIT 4 BIO – TELEMETRY AND PATIENT SAFETY …..12PERIODS 4.1 Bio – Telemetry: 4Per Introduction – Physiological – Adaptable to bio – Telemetry – Components of a bio telemetry system – Application of telemetry in patient care – Problems associated with implantable telemetry.

4.2 Patient Safety: 8Per Fluid balance – Electrolytic balance – Acid base balance.Physiological efforts of electric current – Micro and macro shock – Leakage current – Shock hazards from electrical equipment.Methods of Accident Prevention – Grounding – Double Insulation –Protection by low voltage – Ground fault circuit interrupter – Isolation of patient connected parts – Isolated power distribution system - Safety aspects in electro surgical units – Burns, High frequency current hazards, Explosion hazards Telemedicine – Introduction – Working – Applications Refer the weblink:https://www.youtube.com/watch?v=0237PiujAgo for bio-telemetry systemandhttps://www.youtube.com/watch?v=AgwE6MHCuZU for safety aspects in electrosurgical units UNIT 5 MODERN IMAGING TECHNIQUES ....13PERIODS

5.1 LASER beam properties – Block diagram – Operation of Co2and NDYag LASER – Applications of LASER in medicine. X ray apparatus – Block diagram – Operation – Special techniques in X-ray imaging – Tomogram – Computerized Axial tomography –Ultrasonic imaging techniques – Echo Cardiography – Angiography – CT scanner - Magnetic resonance imaging techniques. Refer the weblink:https://www.youtube.com/watch?v=ctJOLgBGNIQ for echo cardiography andhttps://www.youtube.com/watch?v=23DUWDLYydU for angiography

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TEXT BOOK

EDITION & S.NO. NAME OF THE BOOK AUTHOR PUBLISHER YEAR

1. Biomedical Leslie Cromwell Prentice-Hall of India, New 2010, Fifth Instrumentation – delhi Edition and measurement Fred.J. Weibell,

REFERENCE BOOKS

EDITION & S.NO. NAME OF THE BOOK AUTHOR PUBLISHER YEAR

1 Medical Electronics Kumara doss Bowker co., New delhi 2002, Third Edition 2 Medicine and Clinical Jacobson and Prentice-Hall of India, 2010, First Engineering Webstar New delhi Edition

3 Handbook of Bio – R. S. Khandpur Tata Mc Grew Hill, New 2013, Second Medical delhi Edition Instrumentation. LIST OF PROPOSED STUDENT ACTIVITIES I. INDUSTRIAL VISITS To impart industrial visit to any one of the following industries to understand real time applications: 1 Gokulam Hospital, 3/60, Meyyanur Road, Salem - 636004 2 Kovai Medical Centre & Hospital, Avinashi Road, Civil Aerodrome post, Coimbatore. 3 NIMHANS, Hosur road, Near Bangalore milk dairy, Bangaluru – 560029. Industrial visit report has to be submitted by the students as assignment through Blackboard and as hard copy to the faculty concerned.

III. OPEN SOURCE SOFTWARE / LEARNING WEBSITES: 1 Electrical Pro

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` 2 Multisim 3 www.allaboutcircuits.com 4 www.electronics-tutorials.com

THIAGARAJAR POLYTECHNIC COLLEGE, SALEM (Autonomous) Diploma in Electrical and Electronics Engineering BIO MEDICAL INSTRUMENTATION Model Question Paper – I Year /Sem : III / VI Max. Marks : 75 Code No : 15O – 3403B Time : 3 Hrs

PART-A (5x2=10 Marks) Note: (i) Answer any FIVE questions out of which question No. 8 is compulsory. Unit Bloom’s (ii) All questions carry equal marks. Taxono my Level 1. Define action potential. I R 2. What is meant by respiration rate? I U 3. What is the use of electrodes? II U 4. Define pH. II R 5. State the purpose of RL electrode in ECG III U 6. What do you mean by brain tumor? IV U 7. What is an audiometer? V R 8. What is EMG test? I U PART – B (5x3=15 Marks) Note: (i) Answer any FIVE questions out of which question No. 16 is compulsory. (ii) All questions carry equal marks.

9. What is a cardiac pacemaker? I R 10. What is a Hemodialyser? I U 11. What is fluid balance? II U 12. What is biotelemetry? II R 13. Define macro shock. III U 14. Mention the properties of laser beam. IV R 15. State the application of computerized axial tomography. V R 16. What is Angiography? I R

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` PART-C (5x10=50 Marks)

OR 18. A. Explain the working of ERG with neat block diagram. I U 10 OR B. i) Explain the 10-20 lead system used in EEG with neat sketch. II U 05 ii) Explain about the basic block diagram of audiometer. 05

19. A. Discuss about operation of heart lung machine. II U 10 OR B. i) Explain the working of dc defibrillator with a neat diagram. III U 05 ii) Briefly discuss about the working of endoscopy with a neat 05 diagram.

20. A. Explain in detail about the various methods of accident III U 10 prevention. OR B. i) Explain the physiological effects of electrical current in detail. IV U 10 ii) Write down the safety aspects in surgical unit.

21. A. Write briefly about ultrasonic imaging technique. V U 10 OR B. i) Explain the working of a X- ray machine with block diagram. V U 05 ii) Explain the basic block diagram of Magnetic Resonance Imaging 05 technique.

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

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` THIAGARAJAR POLYTECHNIC COLLEGE, SALEM (Autonomous) Diploma in Electrical and Electronics Engineering BIO MEDICAL INSTRUMENTATION Model Question Paper – II Year /Sem : III / VI Max. Marks : 75 Code No : 15O – 3403B Time : 3 Hrs

PART-A (5x2=10 Marks) Note: (i) Answer any FIVE questions out of which question No. 8 is compulsory. Unit Bloom’s (ii) All questions carry equal marks. Taxonomy Level 1. What are the salts responsible for action and nesting potential? I R 2. What is blood pH? I U 3. What instrument is used to analysis the working of brain? II U 4. Define respiration rate and lung volume. II R 5. What is speech audiometry? III U 6. Give one application of Audiometer? IV U 7. What is fibrillation? V R 8. What is the use of RL electrode in ECG? I U PART – B (5x3=15 Marks) Note: (i) Answer any FIVE questions out of which question No. 16 is compulsory. Unit Bloom’s (ii) All questions carry equal marks. Taxonomy Level 9. What is macro shock? Enumerate the application of artificial heart valve. I R 10. Write short notes on telemedicine. I U 11. Trace a normal ECG waveform and range the salient points? II U 12. What do you meant by dialysis? And state various methods. II R 13. Show the different brain waves with their frequency. III U 14. What do you mean by heart rate? IV R 15. Differentiate micro and macro shock. V R 16. List the various special techniques in X-ray imaging. I R

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` PART-C (5x10=50 Marks)

Note: (i) Answer allthe questions choosing either sub-division (A) or sub-division (B) of eachquestion. Bloom’s Maximum (ii)All questions carry equal marks. Unit Taxonomy Marks Level 17. A Explain about the lung volume measurement. I U 10

OR B i) Explain about chromatographic technique for analyzing various I U 10 constituents present in blood samples. (ii) Write short notes on micro electrode. 18. A Explain the working of ECG with neat block diagram and analyze the II U 05 waveforms obtained in ECG. 05

OR B i) Explain the 10-20 lead system used in EEG with neat sketch. II U 05 ii) Explain about the basic block diagram of audiometer. 05 19. A Explain about the working of endoscopy with a neat diagram III U 10

OR B i) Explain the working of Hemodialyser with a neat diagram. III U 10 ii) Briefly discuss about the working of biotelemetry with a neat diagram. 20. A Explain in detail about the computerized axial tomography. IV U 10 OR B i) Explain the physiological Angiography in detail. IV U 05 ii) Write down the safety aspects in surgical unit. 05 21. A Explain audiometer technique. OR V U 10 B i) Explain the working of a Pacemaker with block diagram. V U 05 ii) Explain the basic block diagram and the purpose of RL electrode in 05 ECG.

Level R-Remember, U-Understand, Ap- Apply An-Analyse, E-Evaluate, C-Create % to be included 90% 10%

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THIAGARAJAR POLYTECHNIC COLLEGE, SALEM

15O – SCHEME Programme : ELECTRICAL AND ELECTRONICS ENGINEERING Semester : VI Course Code : 15O – 3404B Course Name : BIO MEDICAL INSTRUMENTATION PRACTICAL

TEACHING AND SCHEME OF EXAMINATION No. of weeks per semester: 15 weeks Examination Instructions Max. Marks Course Semester- Periods / Periods / Continuous Duration End Total week Semester Assessment Examination BIO MEDICAL INSTRUMENTATION 6 90 25 75 100 3 Hours PRACTICAL

COURSE OUTCOMES

15O – 3403B Bio Medical Instrumentation On successful completion of this course, students should be able to C606B.1 : Explain the working principle , functions and controls of X Ray machines C606B.2 : Understand the measurement of Blood Pressure , Body Temperatutre and Pulse C606B.3 : Explain the concept of ECG,EMG and EEG Systems C606B.4 : Study the PH measurement of Biological Samples C606B.5 : Measyre Respiration rate using Thermistor

CO-PO & PSO’S MAPPING MATRIX:

CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PSO1 PSO2 C608.1 2 3 3 2 2 - - 3 2 2 3 2 C608.2 2 3 3 2 2 - - 3 2 2 3 2 C608.3 2 3 3 2 2 - - 3 2 2 3 2 C608.4 2 3 3 2 2 - - 3 2 2 3 2 C608.5 2 3 3 2 2 - - 3 2 2 3 2 Total 2 15 15 10 10 - - 15 10 10 15 10 Correlation 2 3 3 2 2 - - 3 2 2 3 2

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` Level

List of Experiments 1. Operation and function of all the controls of hospital X-Ray machine (visit at hospital) 2. Operation and function of all the controls of dental X-Ray machine (Visit to Hospital) 3. Identification of different block/sub system of circuits in X-Ray machine 4. Measurement of skin contact impedance and technique to reduce it. 5. Observe its wave shape on CRO the output of blood pressure transducers body temperature Transducers and Pulse sensors 6. Use of Sphygmanometer for measurement of blood pressure 7. Concept of ECG system and placement of electrodes 8. Measurement of leakage currents with the help of safety tester 9. PH measurement of given biological sample 10. Concept of EMG system and placement of electrode 11. Measurement of respiration rate using Thermistor 12. Concept of EEG system and placement of electrode 13. Identification of different types of PH electrodes EQUIPMENTS REQUIRED

S.No. LIST OF EQUIPMENTS QUANTITY REQUIRED 1 x-ray machine 2

2 Cathode Ray Oscilloscope 2 3 Sphygmanometer 1

4 ECG, EEG & EMG equipments Each 1

SCHEME OF VALUATION

S.No. NAME OF THE ACTIVITY MARKS ALLOCATED 1. Circuit Diagram 20

2. Connection 25

3. Execution and Handling of Equipments 15

4. Output and Result 10

5. Viva Voce 05

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` TOTAL 75

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