Course Description Bachelor of Technology (Electrical Engineering)
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Income? Bisone
INCOME? BISONE ED 179 392 SP 029 296 $ AUTHOR Hamilton, Howard B. TITLE Problem Manual for Power Processiug, Tart 1. Electric Machinery Analysis. ) ,INSTITUTION Pittsbutgh Univ., VA. 51'014 AGENCY National Science Foundation, Weeshingtcni D.C. PUB DATE -70 GRANT NSF-GY-4138 NOTE 40p.; For_related documents', see SE 029 295-298 EDRS PRICE MF01/BCO2 Plus Postage. DESCRIPTORS *College Science: Curriculum Develoimeft: Electricity: Electromechanical lacshnology;- Electfonics: *Engineering Educatiob: Higher Education: Instructional Materials: *Problem Solving; Science CourAes:,'Science Curriculum: Science . Eductttion; *Science Materials: Scientific Concepts AOSTRACT This publication was developed as aPortion/ofa . two-semester se4uence commencing t either the-sixth cr seVenth.term of the undergraduate program in electrical engineering at the University of Pittsburgh. The materials of tfie two courses, produced by' National Science Foundation grant, are concernedwitli power con ion systems comprising power electronic devices, electromechanical energy converters, and,associnted logic configurations necessary to cause the systlp to behave in a, prescrib,ed fashion. The erphasis in this portion of the'two course E` sequende (Part 1)is on electric machinery analysis.. 7his publication is-the problem manual for Part 1, which provide's problems included in 4, the first course. (HM) 4 Reproductions supplied by EDPS are the best that can be made from the original document. * **************************v******************************************** 2 -
Evaluation of Direct Torque Control with a Constant-Frequency Torque Regulator Under Various Discrete Interleaving Carriers
electronics Article Evaluation of Direct Torque Control with a Constant-Frequency Torque Regulator under Various Discrete Interleaving Carriers Ibrahim Mohd Alsofyani and Kyo-Beum Lee * Department of Electrical and Computer Engineering, Ajou University, 206, World cup-ro, Yeongtong-gu Suwon 16499, Korea * Correspondence: [email protected]; Tel.: +82-31-219-2376 Received: 25 June 2019; Accepted: 20 July 2019; Published: 23 July 2019 Abstract: Constant-frequency torque regulator–based direct torque control (CFTR-DTC) provides an attractive and powerful control strategy for induction and permanent-magnet motors. However, this scheme has two major issues: A sector-flux droop at low speed and poor torque dynamic performance. To improve the performance of this control method, interleaving triangular carriers are used to replace the single carrier in the CFTR controller to increase the duty voltage cycles and reduce the flux droop. However, this method causes an increase in the motor torque ripple. Hence, in this work, different discrete steps when generating the interleaving carriers in CFTR-DTC of an induction machine are compared. The comparison involves the investigation of the torque dynamic performance and torque and stator flux ripples. The effectiveness of the proposed CFTR-DTC with various discrete interleaving-carriers is validated through simulation and experimental results. Keywords: constant-frequency torque regulator; direct torque control; flux regulation; induction motor; interleaving carriers; low-speed operation 1. Introduction There are two well-established control strategies for high-performance motor drives: Field orientation control (FOC) and direct torque control (DTC) [1–3]. The FOC method has received wide acceptance in industry [4]. Nevertheless, it is complex because of the requirement for two proportional-integral (PI) regulators, space-vector modulation (SVM), and frame transformation, which also needs the installation of a high-resolution speed encoder. -
Academic Regulations, Course Structure and Detailed Syllabus
ACADEMIC REGULATIONS, COURSE STRUCTURE AND DETAILED SYLLABUS M.Tech (POWER ELECTRONICS AND ELECTRIC DRIVES) FOR MASTER OF TECHNOLOGY TWO YEAR POST GRADUATE COURSE (Applicable for the batches admitted from 2014-2015) R14 ANURAG GROUP OF INSTITUTIONS (AUTONOMOUS) SCHOOL OF ENGINEERING Venkatapur, Ghatkesar, Hyderabad – 500088 ANURAG GROUP OF INSTITUTIONS (AUTONOMOUS) M.TECH. (POWER ELECTRONICS AND ELECTRIC DRIVES) I YEAR - I SEMESTER COURSE STRUCTURE AND SYLLUBUS Subject Code Subject L P Credits A31058 Machine Modeling& Analysis 3 0 3 A31059 Power Electronic Converters-I 3 0 3 A31024 Modern Control Theory 3 0 3 A31060 Power Electronic Control of DC Drives 3 0 3 Elective-I 3 0 3 A31029 HVDC Transmission A31061 Operations Research A31062 Embedded Systems Elective-II A31027 Microcontrollers and Applications 3 0 3 A31063 Programmable Logic Controllers and their Applications A31064 Special Machines A31213 Power Converters Lab 0 3 2 A31214 Seminar - - 2 Total 18 3 22 I YEAR - II SEMESTER Subject Subject L P Credits Code A32058 Power Electronic Converters-II 3 0 3 A32059 Power Electronic Control of AC Drives 3 0 3 A32022 Flexible AC Transmission Systems (FACTS) 3 0 3 A32060 Neural Networks and Fuzzy Systems 3 0 3 Elective-III A32061 Digital Control Systems 3 0 3 A32062 Power Quality A32063 Advanced Digital Signal Processing Elective-IV A32064 Dynamics of Electrical Machines A32065 High-Frequency Magnetic Components A32066 3 0 3 Renewable Energy Systems A32213 Electrical Systems Simulation Lab 0 3 2 A32214 Seminar-II - - 2 Total 18 3 22 II YEAR – I SEMESTER Code Subject L P Credits A33219 Comprehensive Viva-Voce - - 2 A33220 Project Seminar 0 3 2 A33221 Project Work Part-I - - 18 Total Credits - 3 22 II YEAR – II SEMESTER Code Subject L P Credits A34207 Project Work Part-II and Seminar - - 22 Total - - 22 L P C M. -
Abstract Controlling Ac Motor Using Arduino
ABSTRACT CONTROLLING AC MOTOR USING ARDUINO MICROCONTROLLER Nithesh Reddy Nannuri, M.S. Department of Electrical Engineering Northern Illinois University, 2014 Donald S Zinger, Director Space vector modulation (SVM) is a technique used for generating alternating current waveforms to control pulse width modulation signals (PWM). It provides better results of PWM signals compared to other techniques. CORDIC algorithm calculates hyperbolic and trigonometric functions of sine, cosine, magnitude and phase using bit shift, addition and multiplication operations. This thesis implements SVM with Arduino microcontroller using CORDIC algorithm. This algorithm is used to calculate the PWM timing signals which are used to control the motor. Comparison of the time taken to calculate sinusoidal signal using Arduino and CORDIC algorithm was also done. NORTHERN ILLINOIS UNIVERSITY DEKALB, ILLINOIS DECEMBER 2014 CONTROLLING AC MOTOR USING ARDUINO MICROCONTROLLER BY NITHESH REDDY NANNURI ©2014 Nithesh Reddy Nannuri A THESIS SUBMITTED TO THE GRADUATE SCHOOL IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE MASTER OF SCIENCE DEPARTMENT OF ELECTRICAL ENGINEERING Thesis Director: Dr. Donald S Zinger ACKNOWLEDGEMENTS I would like to express my sincere gratitude to Dr. Donald S. Zinger for his continuous support and guidance in this thesis work as well as throughout my graduate study. I would like to thank Dr. Martin Kocanda and Dr. Peng-Yung Woo for serving as members of my thesis committee. I would like to thank my family for their unconditional love, continuous support, enduring patience and inspiring words. Finally, I would like to thank my friends and everyone who has directly or indirectly helped me for their cooperation in completing the thesis. -
Electric Motors
SPECIFICATION GUIDE ELECTRIC MOTORS Motors | Automation | Energy | Transmission & Distribution | Coatings www.weg.net Specification of Electric Motors WEG, which began in 1961 as a small factory of electric motors, has become a leading global supplier of electronic products for different segments. The search for excellence has resulted in the diversification of the business, adding to the electric motors products which provide from power generation to more efficient means of use. This diversification has been a solid foundation for the growth of the company which, for offering more complete solutions, currently serves its customers in a dedicated manner. Even after more than 50 years of history and continued growth, electric motors remain one of WEG’s main products. Aligned with the market, WEG develops its portfolio of products always thinking about the special features of each application. In order to provide the basis for the success of WEG Motors, this simple and objective guide was created to help those who buy, sell and work with such equipment. It brings important information for the operation of various types of motors. Enjoy your reading. Specification of Electric Motors 3 www.weg.net Table of Contents 1. Fundamental Concepts ......................................6 4. Acceleration Characteristics ..........................25 1.1 Electric Motors ...................................................6 4.1 Torque ..............................................................25 1.2 Basic Concepts ..................................................7 -
Equating a Car Alternator with the Generated Voltage Equation by Ervin Carrillo
Equating a Car Alternator with the Generated Voltage Equation By Ervin Carrillo Senior Project ELECTRICAL ENGINEERING DEPARTMENT California Polytechnic State University San Luis Obispo 2012 © 2012 Carrillo TABLE OF CONTENTS Section Page Acknowledgments ......................................................................................................... i Abstract ........................................................................................................................... ii I. Introduction ........................................................................................................ 1 II. Background ......................................................................................................... 2 III. Requirements ...................................................................................................... 8 IV. Obtaining the new Generated Voltage equation and Rewinding .................................................................................................................................... 9 V. Conclusion and recommendations .................................................................. 31 VI. Bibliography ........................................................................................................ 32 Appendices A. Parts list and cost ...................................................................................................................... 33 LIST OF FIGURES AND TABLE Section Page Figure 2-1: Removed drive pulley from rotor shaft [3]……………………………………………. 4. -
DESIGN, CONTROL, and APPLICATION of PIEZOELECTRIC ACTUATOR External-Sensing and Self-Sensing Actuator
DESIGN, CONTROL, AND APPLICATION OF PIEZOELECTRIC ACTUATOR External-Sensing and Self-Sensing Actuator ANDI SUDJANA PUTRA NATIONAL UNIVERSITY OF SINGAPORE 2008 DESIGN, CONTROL, AND APPLICATION OF PIEZOELECTRIC ACTUATOR External-Sensing and Self-Sensing Actuator ANDI SUDJANA PUTRA (B.Eng., Brawijaya University, M.T.D., National University of Singapore) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2008 Acknowledgements I would like to express my sincere appreciation to all who have helped me during my candidature; without whom my study here would have been very much different. First and foremost, I thank my supervisors: Associate Professor Tan Kok Kiong and Associate Professor Sanjib Kumar Panda, who have provided invaluable guidance and suggestion, as well as inspiring discussions. With their enthusiasm and efforts in explaining things clearly, they have made research a fun and fruitful activity. I would have been lost without their direction. I would also like to thank the National University of Singapore for providing me with scholarship and research support; without which it would have been impossible to finish my study here. It is difficult to overstate my gratitude to the officers and students in Mechatronics and Automation Laboratory, who have also become my friends. Dr. Huang Sunan, Dr. Tang Kok Zuea, Dr. Zhao Shao, Dr. Teo Chek Sing, and Mr. Tan Chee Siong have always been very supportive and encouraging through the easy and difficult time during my research. I am indebted to many more colleagues in Faculty of Engineering and Faculty of Medicine, whose names, regrettably, I cannot mention all here. -
Electrical Machines Lab Ii
Electrical & Electronics Engineering Department BRCM COLLEGE OF ENGINEERING & TECHNOLOGY BAHAL – 127028 ( Distt. Bhiwani ) Haryana, India ELECTRICAL MACHINES LAB II EE-327-F ELECTRICAL MACHINES-II LAB L T P CLASS WORK : 25 Marks 0 0 2 EXAM : 25 Marks TOTAL : 50 Marks DURATION OF EXAM : 3 HRS List of Experiments: 1. Study of the No Load and Block Rotor Test in a Three Phase Slip Ring Induction Motor & draw its circle diagram 2. To Study the Starting of Slip Ring Induction Motor by Rotor Resistance Starter. 3. To Study and Measure Direct and Quadrature Axis Reactance of a 3 phase alternator by Slip Test 4. To Study and Measure Positive, Negative and Zero Sequence Impedance of a Alternator 5. To Study and Measure Synchronous Impedance and Short circuit ratio of Synchronous Generator. 6. Study of Power (Load) sharing between two Three Phase alternators in parallel operation condition 7. Synchronization of two Three Phase Alternators, by a) Synchroscope Method b) Three dark lamp Method c) Two bright one dark lamp Method 8. To plot V- Curve of synchronous motor. 7. To study and verify Load characteristics of Long Shunt & short shunt Commutatively Compound Generator using 3 phase induction motor as prime mover. 10. To perform O.C. test on synchronous generator. And determine the full load regulation of a three phase synchronous generator by synchronous impedance method NOTE: At least 10 experiments are to be performed, with at least 7 from above list, remaining three may either be performed from above list or designed & set by concerned institution as per scope of syllabus. -
Modeling, Analogue and Tests of an Electric Machine
MODELING, ANALOGUE AND TESTS OF AN ELECTRIC MACHINE VOLTAGE CONTROL SYSTEM 'by GRAHAM E.' DAWSON ( j B.A.Sc, University of British. Columbia, 1963. A THESIS SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENTS, FOR THE DEGREE OF MASTER OF APPLIED SCIENCE. in the Department of Electrical Engineering We accept this thesis as conforming to the required standard Members of the Committee Head of the Department .»»«... Members of the Department of Electrical Engineering THE UNIVERSITY OF BRITISH COLUMBIA September, 1966 In presenting this thesis in partial fulfilment of the requirements for an advanced degree at the University of British Columbia, I agree that the Library shall make it freely.avai1able for reference and study. I further agree that permission for ex• tensive copying of this thesis for scholarly purposes may be granted by the Head of my Department or by his representatives.. It is understood that copying or publication of this thesis for finan• cial gain shall not be allowed without my.written permission. Department of Electrical Engineering The University of British Columbia Vancou ve r.,8, Canada Date 7. MM ABSTRACT This thesis is concerned with the modeling, analogue and tests of an interconnected four electric machine voltage control system. Many analogue studies of electric machines have been done but most are concerned with the development of analogue techniques and only a few give substantiation of the validity of the analogue models through comparison of results from analogue studies and from real machine tests. Chapter 2 describes the procedure and the system under study. Chapter 3 describes the methods used for the determination of the electrical and mechanical system parameters. -
FOR PREDICTING INIJJ'c'l'ion MOTOR CHARACTERISTICS I
AN IMPROVED METHOD FOR PREDICTING INIJJ'C'l'ION MOTOR CHARACTERISTICS i AN D ROVED FOR REDICTlNG llTDUC'l'ION MOTO CHA.RAOTERIBT'IOS I' Bachelor of Science :Montana State College BOZtX!lM , , onto.na 1944 j;;)u.bmitt to tho De artnont of leotricnl EngiMeri g Cklaho J..gricultur and rcohenieul College In purtiul Ful.:f'illmen'l; of t e Re0ui ents tor the gree of' STER OF ..:>C ~en 1947 ii OKY.l~fl:\H .1:J:?RO D BY: !GIUCrL TFP..U i M' nwrn· 11, c·m 1, L J B R ,\ • v . DE'C 8 1947 llea! of £fie bepartiii.ent ') r ·> P , .... I ) ~ ~1 J . iii PREFiVJE The induction motor is one o.. f' the most u.se:tul · electrie maohines in industry today. Since its inverrtion in 1888 by !'Jikola Telsa, it has eonstantl;r bee:n replacing other types of machines, both eleotrio .ru1.d meehanieal, as a raeans of supply ing 111sehanioal po;:er. Ma.de in its diversified for.ID1J,. an induction riaotor et:.m be made t;.o fit a.lm.ost any torq_ue-speed requirement. In its most common form., the normal-starting-current. normal-starting-torque, squirrel-cage induction motor., it offers such a.dvantae;es as high effioiency:t practioally constant speed, extremely sirn.plo ope:rationt a11d s:m.s.11 electrical na.intenance requirements. Because e:f the induction moto~•s wide use, it is advantageous to both the roanu:faoturer and the consumer to be able to ascertain, as aoeurately and si:Ll1ply as possible, hmv a given motor vrill operate under varying eondi tions of load. -
Power Processing, Part 1. Electric Machinery Analysis
DOCONEIT MORE BD 179 391 SE 029 295,. a 'AUTHOR Hamilton, Howard B. :TITLE Power Processing, Part 1.Electic Machinery Analyiis. ) INSTITUTION Pittsburgh Onii., Pa. SPONS AGENCY National Science Foundation, Washingtcn, PUB DATE 70 GRANT NSF-GY-4138 NOTE 4913.; For related documents, see SE 029 296-298 n EDRS PRICE MF01/PC10 PusiPostage. DESCRIPTORS *College Science; Ciirriculum Develoiment; ElectricityrFlectrOmechanical lechnology: Electronics; *Fagineering.Education; Higher Education;,Instructional'Materials; *Science Courses; Science Curiiculum:.*Science Education; *Science Materials; SCientific Concepts ABSTRACT A This publication was developed as aportion of a two-semester sequence commeicing ateither the sixth cr'seventh term of,the undergraduate program inelectrical engineering at the University of Pittsburgh. The materials of thetwo courses, produced by a ional Science Foundation grant, are concernedwith power convrs systems comprising power electronicdevices, electrouthchanical energy converters, and associated,logic Configurations necessary to cause the system to behave in a prescribed fashion. The emphisis in this portionof the two course sequence (Part 1)is on electric machinery analysis. lechnigues app;icable'to electric machines under dynamicconditions are anallzed. This publication consists of sevenchapters which cW-al with: (1) basic principles: (2) elementary concept of torqueand geherated voltage; (3)tile generalized machine;(4i direct current (7) macrimes; (5) cross field machines;(6),synchronous machines; and polyphase -
Performance Rating of Variable Frequency Drives
AHRI Standard 1210 (I-P) 2017 Standard for Performance Rating of Variable Frequency Drives IMPORTANT SAFETY DISCLAIMER AHRI does not set safety standards and does not certify or guarantee the safety of any products, components or systems designed, tested, rated, installed or operated in accordance with this standard/guideline. It is strongly recommended that products be designed, constructed, assembled, installed and operated in accordance with nationally recognized safety standards and code requirements appropriate for products covered by this standard/guideline. AHRI uses its best efforts to develop standards/guidelines employing state-of-the-art and accepted industry practices. AHRI does not certify or guarantee that any tests conducted under its standards/guidelines will be non- hazardous or free from risk. Note: This standard supersedes ANSI/AHRI Standard 1210 (I-P)-2011 with Addenda 1 and 2. For SI ratings, see AHRI Standard 1211 (SI)-2017. AHRI CERTIFICATION PROGRAM PROVISIONS Scope of the Certification Program The Certification Program includes all Variable Frequency Drive as defined in Section 2 of this standard. Certified Ratings The following certification program ratings are verified by test as indicated in Section 7.1 at the Standard Rating Conditions: Drive System Efficiency, %. Motor Insulation Stress Peak Voltage, V Motor Insulation Stress Rise Time, µsec Power Line Harmonics (Total Harmonic Current Distortion), %. Price $10.00 (M) $20.00 (NM) ©Copyright 2017, by Air-Conditioning, Heating and Refrigeration Institute Printed