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2015 IEEE International Electric Machines & Drives Conference (IEMDC 2015)

Coeur d’Alene, Idaho, USA

10-13 May 2015

Pages 1-959

IEEE Catalog Number: CFP15EMD-POD ISBN: 978-1-4799-7942-4

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IEEE Catalog Number: CFP15EMD-POD ISBN (Print-On-Demand): 978-1-4799-7942-4 ISBN (Online): 978-1-4799-7941-7

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TABLE OF CONTENTS

ROTATING ELECTRICAL MACHINES

A COMMERCIAL-OFF-THE-SHELF SYNCHRONOUS AS A GENERATOR FOR WIND POWER APPLICATIONS ...... 6 Roberto Moncada, Hector Young, Boris Pavez-Lazo, Juan Tapia

A DYNAMIC POLE-PHASE MODULATION INDUCTION MACHINE MODEL...... 13 Matthew Magill, Philip Krein

A FRACTIONAL SLOT CONCENTRATED WINDING (FSCW) CONFIGURATION FOR OUTER SQUIRREL CAGE INDUCTION MOTORS...... 20 Vivek M. Sundaram, Hamid A. Toliyat

A GENERALIZED TRANSFORMATION METHODOLOGY FOR POLYPHASE ELECTRIC MACHINES AND NETWORKS ...... 27 Andrew Rockhill, Thomas Lipo

A NOVEL FULL-LOAD EFFICIENCY ESTIMATION TECHNIQUE FOR INDUCTION MOTORS OPERATING WITH UNBALANCED VOLTAGES...... 35 Maher Al-Badri, Pragasen Pillay, Pierre Angers

A NOVEL ONLINE PMSM PARAMETER IDENTIFICATION METHOD FOR ELECTRIC AND HYBRID ELECTRIC VEHICLES BASED ON CLUSTER TECHNIQUE ...... 41 Hussein Khreis, Andrea Deflorio, Benedikt Schmuelling

A PERMANENT SYNCHRONOUS GENERATOR FOR A SMALL SCALE VERTICAL AXIS WIND TURBINE ...... 48 Nima Madani, Alija Cosic, Chandur Sadarangani

A SPOKE-TYPE IPM MACHINE WITH NOVEL ALTERNATE AIRSPACE BARRIERS AND REDUCTION OF UNIPOLAR LEAKAGE FLUX BY STEP-STAGGERED ROTOR...... 53 Xiao Ge, Ziqiang Zhu, Jiebao Li, Jintao Chen

A STANDSTILL PARAMETER IDENTIFICATION TECHNIQUE FOR THE SYNCHRONOUS GENERATOR ...... 60 Ahmed M. A. Oteafy, John N. Chiasson, Said Ahmed-Zaid

A STUDY OF ROTOR ECCENTRICITY EFFECTS ON BRUSHLESS DOUBLY FED MACHINES PERFORMANCE...... 66 Salman Abdi, Ehsan Abdi, Richard McMahon

AN ANALYTICAL APPROACH FOR FAST ESTIMATION OF PWM HARMONIC LOSSES IN THE OF A CONCENTRATED WINDING PERMANENT MAGNET MACHINE ...... 79 Mehdi Taghizadeh Kakhki, Jerome Cros, Philippe Viarouge, Maxim Bergeron

AN EFFICIENT MODEL FOR DESIGN OF SYNCHRONOUS MACHINES ...... 84 Adam Larson, Steve Pekarek, Ron Wang, Michelle Bash, Rick Van Maaren

AN INNOVATIVE ROTOR CORE ASSEMBLY FOR HIGH PERFORMANCE 4-POLE SYNCHRONOUS RELUCTANCE TRACTION MOTOR USING GRAIN ORIENTED LAMINATION ...... 90 Seyedmorteza Taghavi, Pragasen Pillay

AN OVERVIEW OF THE COMPACTNESS OF A RANGE OF AXIAL FLUX PM MACHINES ...... 96 Dean Patterson, Greg Heins, Byron Kennedy, Matthew Turner, Mike Smith, Rafal Rohoza

ANALYSIS OF AIR-GAP INFLUENCE ON A LARGE HYDRO GENERATOR’S PARAMETERS USING SUDDEN SYMMETRICAL SHORT-CIRCUIT TEST ...... 102 Olivier Kokoko, Arezki Merkhouf, Abdelmounaim Tounzi, Kamal Al-Haddad, Eilin Guillot

ANALYSIS OF AXIAL FIELD MAGNETIC GEARS WITH HALBACH ARRAYS ...... 108 Matthew Johnson, Matthew Gardner, Hamid A. Toliyat

ANALYSIS OF STATOR LEAKAGE REACTANCE COMPUTATION WITH FINITE ELEMENT METHODS...... 115 Jean-Pierre Ducreux, Jean-Yves Roger

ANALYSIS OF THE STARTING TRANSIENT OF A SYNCHRONOUS RELUCTANCE MOTOR FOR DIRECT-ON-LINE APPLICATIONS ...... 121 Pietro Savio Termini, Tero Känsäkangas, Alessandro Castagnini, Jere Kolehmainen

ANALYTIC EXPRESSION OF TORQUE RIPPLE BY FOURIER COEFFICIENTS OF FLUX LINKAGES...... 127 Ilsu Jeong, Kwanghee Nam

ANALYTICAL MODELING OF MUTUALLY COUPLED SWITCHED RELUCTANCE MACHINES UNDER SATURATION BASED ON DESIGN GEOMETRY ...... 133 Wasi Uddin, Yilmaz Sozer

ASSESSMENT OF FLUID DRAG LOSS IN EHA MOTOR ...... 139 Parminder Sangha, Tadashi Sawata, Jason Yon, Phil Mellor

AXIAL FLUX MACHINE STRUCTURE REDUCING ROTOR EDDY CURRENT LOSSES...... 143 Pia Lindh, Juho Montonen, Hanne Jussila, Juha Pyrhönen, Werner Jara, Juan Tapia

CALCULATION OF NONLINEAR FLUX LINKAGE AND TORQUE FOR PERMANENT MAGNET DC MOTORS...... 147 Christoph Wolz, Maximilian Greger, Benjamin Wuechner, Joachim Kempkes, Uwe Schaefer

CHARACTERISTIC COMPARISON OF A CONVENTIONAL AND NOVEL STATOR STRUCTURE OF AXIAL FLUX FOR COOLING FAN DRIVE APPLICATIONS...... 154 Sung An Kim, Sang In Byun, Hyo Keun Jun, Yun Hyun Cho

COGGING TORQUE ANALYSIS AND MINIMIZATION OF AXIAL FLUX PM MACHINES...... 160 Linyuan Xiao, Jian Li, Ronghai Qu, Dawei Li

COMPARATIVE ANALYSIS OF PARASITIC LOSSES IN PARTITIONED STATOR SFPM MACHINES WITH DOUBLE- AND SINGLE-LAYER WINDINGS...... 167 D. J. Evans, Z. Q. Zhu, Z. Z. Wu, H. L. Zhan, X. Ge

COMPARISON OF 10 MW SUPERCONDUCTING GENERATOR TOPOLOGIES FOR DIRECT- DRIVE WIND TURBINES...... 174 Dong Liu, Henk Polinder, Asger B. Abrahamsen, Jan A. Ferreira

COMPARISON OF OUTER ROTOR PERMANENT MAGNET AND MAGNET-LESS GENERATORS FOR DIRECT-DRIVE WIND TURBINE APPLICATIONS...... 181 Bahareh Anvari, Yongqi Li, Hamid Toliyat

COMPARISON OF TWO FSCW PM MACHINES FOR INTEGRATED TRACTION MOTOR/GENERATOR...... 187 Gurakuq Dajaku, Sachar Spas, Xhevat Dajaku, Dieter Gerling

CONCEPTUAL DESIGN OF SLEEVE ROTOR SYNCHRONOUS RELUCTANCE MOTOR FOR TRACTION APPLICATIONS...... 195 Patel Bhageerath Reddy, Ayman El-Refaie, Kevin Grace

CORE LOSS PERFORMANCE OF A NEW PM MACHINE TOPOLOGY FOR ELECTRIC VEHICLES ...... 202 Lesedi Masisi, Amir Takbash, Pragasen Pillay

CORE LOSS REDUCTION OF AN INTERIOR PERMANENT MAGNET USING AMORPHOUS STATOR CORE ...... 208 Syotaro Okamoto, Nicolas Denis, Keisuke Fujisaki

DESIGN AND PERFORMANCE ASSESSMENT FOR THE V SHAPED MAGNET IPM SYNCHRONOUS MOTOR...... 214 Mohammad Sedigh Toulabi, John Salmon, Andrew M Knight

DESIGN OF PERMANENT MAGNET ASSISTED SYNCHRONOUS RELUCTANCE MOTOR WITH EXTERNAL ROTOR ARCHITECTURE ...... 220 Sai Sudheer Reddy Bonthu, Seungdeog Choi, Aida Gorgani, Kibong Jang

DESIGN OF THREE-PHASE FLUX REVERSAL MACHINES WITH FRACTIONAL-SLOT WINDINGS...... 227 Yuting Gao, Ronghai Qu, Jian Li, Dawei Li, Leilei Wu

DESIGN STUDIES ON HYBRID EXCITATION FLUX SWITCHING MOTOR WITH HIGH POWER AND TORQUE DENSITIES FOR HEV APPLICATIONS...... 234 Hiroki Nakane, Takashi Kosaka, Nobuyuki Matsui

ECCENTRICITY FAULT DETECTION IN MULTI PHASE PERMANENT MAGNET ASSISTED SYNCHRONOUS RELUCTANCE MOTOR ...... 240 Elham Pazouki, Md. Zakirul Islam, Sai Sudheer Reddy Bonthu, Seungdeog Choi

EFFECT OF RADIAL ASYMMETRY OF IN SURFACE-MOUNTED PERMANENT MAGNET MOTORS ON COGGING TORQUE ...... 247 Alejandro Pina Ortega, Subhra Paul, Longya Xu, Rakib Islam

EFFECTS OF ELECTROSTATIC DISCHARGES ON BEARING GREASE ELECTRIC PROPERTIES...... 254 Aleksei Romanenko, Annette Mütze, Jero Ahola

EFFECTS OF ROTOR SKEW ON THE PERFORMANCE OF BRUSHLESS DOUBLY-FED INDUCTION MACHINE ...... 260 Xuezhou Wang, Tim D. Strous, Domenico Lahaye, Henk Polinder, Jan A. Ferreira

ELECTRIC POWER FOR ELECTRON ACCELERATOR SYNCHROTRON LIGHT SOURCE...... 266 Silverio Penin Y Santos, Elias Felipe De Carvalho, Edval Delbone

ELECTROMAGNETIC ANALYSIS OF A WOUND-FIELD GENERATOR WITH FLUX- BARRIER ROTOR FOR AC GENERATOR SETS ...... 273 Alejandro Fernandez Sanchez, Dany Prieto, Jean-Claude Vannier, Philippe Manfe, Jacques Saint-Michel

ELECTROMAGNETIC CONSIDERATIONS FOR A SIX-PHASE SWITCHED RELUCTANCE MOTOR DRIVEN BY A THREE-PHASE INVERTER...... 280 Richard Martin, James Widmer, Barrie Mecrow, Mohammad Kimiabeigi, Abdeslam Mebarki, Neil Brown

ELECTROMECHANICAL TRADE-OFF ANALYSIS OF PM-ASSISTED SYNCHRONOUS RELUCTANCE MOTORS...... 287 Alessandro Castagnini, Aida Curci, Pietro Savio Termini

EQUIVALENT CIRCUIT MODEL FOR POLE-PHASE MODULATION INDUCTION MACHINES ...... 293 Matthew Magill, Philip Krein, Kiruba Haran

EXAMINATION OF AN AXIAL-GAP GENERATOR WITH FERRITE PERMANENT MAGNETS REALIZING MINIATURIZATION AND HIGH OUTPUT POWER OF GENERATORS ...... 300 Ayato Nihonyanagi, Masatsugu Takemoto, Satoshi Ogasawara

FAULT-TOLERANCE OF FIVE-PHASE INDUCTION MACHINES WITH MIXED STATOR WINDING LAYOUTS: TORQUE RIPPLE ANALYSIS ...... 308 Mbika Muteba, Dan Valentin Nicolae

FINITE ELEMENT MODELING OF BRUSHLESS DOUBLY-FED INDUCTION MACHINE BASED ON MAGNETO-STATIC SIMULATION ...... 315 Xuezhou Wang, Tim D. Strous, Domenico Lahaye, Henk Polinder, Jan A. Ferreira

FLUX CONCENTRATING AXIAL FERRITE MAGNET MOTOR ...... 322 Minhyeok Lee, Kwanghee Nam

FREE VIBRATION ANALYSIS OF A LARGE HYDROELECTRIC GENERATOR AND COMPUTATION OF RADIAL ELECTROMAGNETIC EXCITING FORCES...... 328 Hind Chit Dirani, Samuel Cupillard, Arezki Merkhouf, Sylvain Bélanger, Abdelmounaim Tounzi, Anne-Marie Giroux, Kamal Al-Haddad

HIGH VOLTAGE DRIVING METHOD BY USING LOW VOLTAGE INVERTERS FOR SRM ...... 335 Kazuma Miyane, Kan Akatsu

IMPROVED MODEL FOR THE PREDICTION OF CORE LOSS IN FINITE ELEMENT ANALYSIS OF ELECTRIC MACHINES ...... 340 Emad Dlala, Mark Solveson, Scott Stanton, Antero Arkkio

INDUCTION MACHINE EMULATION USING THREE-PHASE FOR ELECTRIC DRIVE TESTING...... 345 Artur Ulatowski, Ali Bazzi

INTEGRATED ELECTRICAL MACHINES AND DRIVES: AN OVERVIEW...... 350 Ayman El-Refaie

INVESTIGATION OF THE MAGNETIZING INDUCTANCES OF THE EXPANDED PARK EQUATIONS ...... 357 Christoph Schmuelling, Stefan Kulig

LVRT PERFORMANCE OF BRUSHLESS DOUBLY FED INDUCTION MACHINES - A COMPARISON ...... 362 Udai Shipurkar, Tim D. Strous, Henk Polinder, Jan A. Ferreira

MAGNETIZATION AND PERFORMANCE ANALYSIS OF A VARIABLE-FLUX FLUX- INTENSIFYING INTERIOR PERMANENT MAGNET MACHINE ...... 369 Afang Sun, Jian Li, Ronghai Qu, Bo Zhao, Dawei Li, Haiyang Fang, Yingli Sun

MEASUREMENT AND PERFORMANCE ANALYSES OF DRY-RUNNING AND CANNED SWITCHED RELUCTANCE MACHINES...... 376 Christian Laudensack, Yevgen Polonskiy, Dieter Gerling

MEASURING SRM CHARACTERISTICS INCLUDING RADIAL FORCE WHILE USING A STANDARD TEST BENCH...... 383 Andreas Hofmann, Annegret Klein-Hessling, Iliya Ralev, Rik W. De Doncker

MECHANICAL FLUX-WEAKENING OF PARTITIONED STATOR SWITCHED FLUX PM MACHINE ...... 391 D. J. Evans, Z. Q. Zhu, H. L. Zhan, Z. Z. Wu, X. Ge

MODELING AND EXPERIMENTAL VERIFICATION OF TORQUE TRANSIENTS IN INTERIOR PERMANENT MAGNET SYNCHRONOUS MOTORS BY INCLUDING HARMONICS IN D- AND Q- AXES FLUX LINKAGES ...... 398 Alejandro Pina Ortega, Longya Xu, Rakib Islam, Prerit Pramod, Rakesh Mitra

MODELING OF 3-PHASE INDUCTION MACHINE AS SINGLE PHASE GENERATOR FOR ELECTRICITY GENERATION FROM RENEWABLE ENERGIES IN RURAL AREAS ...... 405 Phok Chrin, Pascal Maussion, Maria David, Bruno Dagues, Bun Long

MODELING OF SYNCHRONOUS RELUCTANCE MOTORS AIDED BY PERMANENT MAGNETS WITH ASYMMETRIC ROTOR POLES ...... 412 Alejandro Pina Ortega, Longya Xu

OFF-LINE TRAINED ANN BY GENETIC ALGORITHM APPLIED TO A DFIG UNDER VOLTAGE DIP ...... 419 Paulo S. Dainez, Rodrigo A. Marchi, Rogerio V. Jacomini, Edson Bim

ON SELECTION OF ROTOR SUPPORT MATERIAL FOR A FERRITE MAGNET SPOKE TYPE TRACTION MOTOR ...... 426 Mohammad Kimiabeigi, James Widmer, Ray Long, Yi Gao, Richard Martin, Jose M Soler Vizan, Alex Michaelides, Barrie Mecrow, Timothy Lisle

OPTIMAL DESIGN OF FIVE PHASE PERMANENT MAGNET ASSISTED SYNCHRONOUS RELUCTANCE MOTOR FOR INTEGRATED GENERATOR APPLICATION ...... 433 Sai Sudheer Reddy Bonthu, Jeihoon Baek, Zakirul Islam, Seungdeog Choi

OPTIMIZATION AND PERFORMANCE COMPARISONS OF INDUCTION AND SYNCHRONOUS RELUCTANCE MACHINES CONSIDERING THE DRIVING CYCLE OF AN ELECTRICAL VEHICLE...... 440 Chao Liu, Guillaume Krebs, Philippe Dessante, Claude Marchand, Jean-Claude Vannier

PARAMETER IDENTIFICATION FROM SSFR TESTS AND D-Q MODEL VALIDATION OF SYNCHRONOUS GENERATOR...... 454 Stephanie Rakotovololona, Maxim Bergeron, Jérôme Cros, Philippe Viarouge

PERFORMANCE COMPARISON OF PARTITIONED STATOR MACHINES WITH NDFEB AND FERRITE MAGNETS ...... 461 Hao Hua, Z. Q. Zhu, Mei Zheng, Z. Z Wu, Di Wu, Xiao Ge

PERMANENT MAGNET MOTORS CAPABLE OF POLE-CHANGING WITHOUT CHANGING THE CONNECTION OF THE WINDINGS FOR HIGH EFFICIENCY ...... 468 Kazuto Sakai, Kouki Matsuda, Nariaki Yuzawa

PWM CARRIER HARMONIC IRON LOSS REDUCTION TECHNIQUE OF PERMANENT MAGNET MOTORS FOR ELECTRIC VEHICLES ...... 475 Yoshihiro Miyama, Moriyuki Hazeyama, Shota Hanioka, Norihiro Watanabe, Akihiro Daikoku, Masaya Inoue

REDUCTION OF COGGING TORQUE AND BACK EMF HARMONICS IN MODULATED POLE MACHINE BY VARIATIONS IN TOOTH SPAN...... 482 Nabeel Ahmed, Jamie G Washington, Glynn J Atkinson, Nick Baker, Lars Sjöberg

RETROFIT DESIGN OF A LINE-START PMSM USING THE TAGUCHI METHOD...... 489 Albert J Sorgdrager, Rong-Jie Wang, Andre J Grobler

ROBUST NON-PERMANENT MAGNET MOTORS FOR VEHICLE PROPULSION ...... 496 Tsarafidy Raminosoa, David Torrey, Ayman El-Refaie, Di Pan, Stefan Grubic, Kevin Grace

ROTATING CYLINDER PLANETARY GEAR MOTOR...... 503 Kent Davey, Larry McDonald, Travis Hutson, Gordon Hutson, Roy Weinstein, Drew Parks, Chris Ras

SPEED-SENSORLESS OF SURFACE-MOUNTED PMS MOTOR BASED ON MODIFIED INTERACTING MULTIPLE-MODEL EKF...... 510 Mohammad Tahan, Tingshu Hu

STRUCTURAL DESIGN OF SYNRM ROTOR, AND THE EFFECT ON POWER FACTOR ...... 516 Matthew Henriksen, Bogi B. Jensen, Nenad Mijatovic, Jere Kolehmainen, Joachim Holbøll

SWITCHED RELUCTANCE MACHINE OPTIMIZATION METHOD USING CURRENT-FED FEA SIMULATION ...... 529 Jie Dang, J. Rhett Mayor, Ronald Harley, Thomas Habetler, Jose Restrepo, Semidey Andrew

SYNCHRONOUS MACHINE MODEL CONSIDERING DYNAMIC LOSSES AND LUMPED PARAMETER THERMAL NETWORK...... 536 Tobias Lange, Fang Qi, Johannes Dehn, Rik W. De Doncker

TEMPERATURE DEPENDENT REDUCED ORDER IPM MOTOR MODEL BASED ON FINITE ELEMENT ANALYSIS ...... 543 Shaohua Lin, Xiao Li, Thomas Wu, Louis Chow, Zhangjun Tang, Scott Stanton

THE EFFECT OF SATURATION ON ROTATIONAL FLUX DISTRIBUTION IN HYDRO GENERATORS ...... 550 Jemimah. C Akiror, Pragasen Pillay, Arezki Merkhouf

THE EQUILIBRIUM DESIGN OF RADIAL MAGNETIC FORCE FOR REDUCTION OF VIBRATION AND NOISE IN IPM TYPE BLDC MOTOR ...... 555 Gyeong Deuk Lee, Min Chul Kang, Gyu Tak Kim

TOOTH SHAPE OPTIMIZATION OF SWITCHED RELUCTANCE MOTORS FOR IMPROVED TORQUE PROFILES...... 569 Yanni Li, Sashankh Ravi, Dionysios Aliprantis

TORQUE RIPPLE REDUCTION IN INTERIOR PERMANENT MAGNET SYNCHRONOUS MACHINES WITH SINGLE-LAYER FRACTIONAL SLOT CONCENTRATED WINDINGS...... 576 Shanelle N. Foster, Jorge G. Cintron-Rivera, Elias G. Strangas

TRANSIENT FAULT RESPONSES OF A SYNCHRONOUS GENERATOR WITH A COUPLED CIRCUIT MODEL...... 583 Bouali Rouached, Maxim Bergeron, Jerôme Cros, Philippe Viarouge

TRANSIENT PERFORMANCE INVESTIGATION AND TAUCHI OPTIMIZATION OF A LINE- START PMSM...... 590 Albert J Sorgdrager, Rong-Jie Wang, Andre J Grobler

VARIABLE CHARACTERISTICS TECHNIQUE ON PERMANENT MAGNET MOTOR FOR ELECTRIC VEHICLES TRACTION SYSTEM ...... 596 Yoshihiro Miyama, Hiroki Hijikata, Yuki Sakai, Kan Akatsu, Hideaki Arita, Akihiro Daikoku

SPECIAL MACHINES, SENSORS AND ACTUATORS

A 1-PHASE 48-POLE AXIAL PEG STYLE ELECTROSTATIC ROTATING MACHINE UTILIZING VARIABLE ELASTANCE...... 604 Baoyun Ge, Daniel Ludois

A NOVEL VARIABLE RELUCTANCE RESOLVER FOR HEV/EV APPLICATIONS...... 611 Xiao Ge, Z. Q. Zhu, Ru Ren, J. T. Chen

A SIX-PHASE TRANSVERSE-FLUX-REVERSAL LINEAR MACHINE FOR LOW-SPEED RECIPROCATING POWER GENERATION...... 618 Wenlong Li, K. T. Chau, T. W. Ching

ANALYSIS OF STEADY-STATE AND TRANSIENT PERFORMANCE OF TWO-PHASE PM MOTORS FOR COMPUTER FANS...... 624 Jacek Gieras, Dariusz Chojnowski, Pawel Mikulski

ANALYTICAL DETERMINATION OF OPTIMAL 3RD HARMONIC CURRENT INJECTION INTO FIVE-PHASE PERMANENT MAGNET MACHINE FOR MAXIMUM TORQUE ...... 630 K. Wang, D. S Lin, P Zhou, Z. Q Zhu, Sunny Zhang

CAPACITIVE AND INDUCTIVE SENSORS FOR DIAGNOSING AIR-GAP ANOMALIES IN SYNCHRONOUS GENERATORS...... 637 Ricardo Elias Caetano, Ivan Eduardo Chabu, Guido Stolfi, Josemir Coelho Santos, Shigueru Nagao Jr, Carlos Eduardo Gomes, Raul Dias Paiva Jr, Silvio Ikuyo Nabeta, Fabio José Micerino

COMPARISON OF FLUX SWITCHING AND MODULATED POLE LINEAR MACHINES FOR USE WITH A FREE PISTON...... 642 Junnan Wang, Nick Baker

COMPARISON OF STATOR DC-EXCITED VERNIER RELUCTANCE MACHINES WITH SYNCHRONOUS RELUCTANCE MACHINES...... 649 Shaofeng Jia, Ronghai Qu, Jian Li, Yu Chen

CONCEPT STUDY OF A DOUBLE ROTOR INDUCTION MACHINE USED AS CONTINUOUSLY VARIABLE TRANSMISSION ...... 656 Joachim Druant, Frederik De Belie, Peter Sergeant, Jan Melkebeek

CONTROL OF AN INTEGRATED WITH THE TRANS-ROTARY MAGNETIC GEAR IN A TRAIN ...... 662 Siavash Pakdelian, Hussain Hussain, Morteza Moosavi, Hamid Toliyat

DESIGN AND EXPERIMENTAL VALIDATION OF A MAGNETICALLY SUSPENDED PLANAR MOTOR WITH INTEGRATED CONTACTLESS ENERGY TRANSFER SYSTEM ...... 669 J. P. C. Smeets, T. T. Overboom, J. W. Jansen, E. A. Lomonova

DESIGN AND OPTIMIZATION OF SURFACE PM SYNCHRONOUS MOTORS FOR A DYNAMIC FOCUS ADJUSTMENT OF A LASER BEAM ...... 676 Luca Castellini, Moreno D'Andrea, Marco Villani

DESIGN OF AN IRONLESS DOUBLE-ROTOR RADIAL FLUX PERMANENT MAGNET MACHINE ...... 683 Gert Immelman Oosthuizen, Peter-Jan Randewijk

DESIGN OF FIVE-PHASE FERRITE MAGNET ASSISTED SYNCHRONOUS RELUCTANCE MOTOR USING LUMPED PARAMETER MODEL BASED OPTIMIZER AND FEA...... 689 Md. Zakirul Islam, Seungdeog Choi

DESIGN OF PM FREE BRUSHLESS AC MACHINE BASED ACTUATORS FOR ELEVATED TEMPERATURE ENVIRONMENTS ...... 696 Klaus Lang, Annette Mütze, Robert Bauer, Wilfried Rossegger

DESIGN OPTIMIZATION OF A LINEAR GENERATOR WITH DUAL HALBACH ARRAY FOR HUMAN MOTION ENERGY HARVESTING ...... 703 Cong Ma, Wenjia Zhao, Liyan Qu

EFFECTS OF AN ELECTROMAGNETIC SHIELD AND TEETH ON THE SHORT- CIRCUIT PERFORMANCE OF A DIRECT DRIVE SUPERCONDUCTING GENERATOR FOR 10 MW WIND TURBINES...... 709 Dong Liu, Henk Polinder, Asger B. Abrahamsen, Jan A. Ferreira

HYBRID FLUX-SWITCHING LINEAR MACHINE WITH FAULT-TOLERANT CAPABILITY...... 715 Arun Gandhi, Leila Parsa

INDUCTION MOTOR DRIVEN ACTIVE ROLLER TRANSFER FOR BELT CONVEYOR SYSTEMS ...... 721 J. W. Jansen, B. L. J. Gysen

INVESTIGATION OF A DIGITAL EDDY CURRENT SENSOR...... 728 Josef Passenbrunner, Siegfried Silber, Wolfgang Amrhein

MODELING AIR-CORE PERMANENT-MAGNET LINEAR GENERATORS IN FREE- ROTATING DEVICES...... 735 Aaron Brovont, Steven Pekarek

MODELING AND CONTROL OF A HYSTERESIS IPM MOTOR DRIVE FOR ELECTRIC SUBMERSIBLE PUMPS...... 742 S. F. Rabbi, P. Brown, N. Drover, C. Kennedy, M. A. Rahman

MODELING AND PARAMETER IDENTIFICATION OF A DOUBLE-STAR INDUCTION MACHINES ...... 749 Paulo Dainez, Daniel Glose, Ralph Kennel, Edson Bim

NEW MACHINE DESIGN FOR EASY INSERTION OF EXCITATION COILS IN SYNCHRONOUS GENERATORS...... 756 Nan Yang, Wen Cao, Yihua Hu

OPTIMAL DESIGN METHODOLOGY OF A THREE PHASE ROTARY TRANSFORMER FOR DOUBLY FED INDUCTION GENERATOR APPLICATION...... 763 Nikita Zietsman, Nkosinathi Gule

OPTIMIZATION OF COGGING FORCE IN A LINEAR PERMANENT MAGNET GENERATOR FOR THE CONVERSION OF SEA WAVES ENERGY...... 769 Marco Trapanese, Giovanni Cipriani, Domenico Curto, Vincenzo Di Dio, Vincenzo Franzitta

SUSPENSION FORCE INVESTIGATION FOR CONSEQUENT-POLE AND SURFACE- MOUNTED PERMANENT MAGNET BEARINGLESS MOTORS WITH CONCENTRATED WINDING ...... 780 Junichi Asama, Akihito Mouri, Takaaki Oiwa, Akira Chiba

SUSPENSION PERFORMANCE OF A TWO-AXIS ACTIVELY POSITIONED CONSEQUENT- POLE BEARINGLESS MOTOR WITH A WIDE MAGNETIC GAP ...... 786 Junichi Asama, Tomoyoshi Tatara, Takaaki Oiwa, Akira Chiba

ELECTRICAL DRIVES

A COMPARISON OF SWITCHED DOUBLY-FED MACHINE DRIVE TOPOLOGIES FOR HIGH POWER APPLICATIONS ...... 796 Arijit Banerjee, Steven B. Leeb, James L. Kirtley

A FINITE CONTROL SET MODEL PREDICTIVE FOR THE PMSM WITH MTPA OPERATION AND TORQUE RIPPLE MINIMIZATION...... 804 Qian Liu, Kay Hameyer

A NEW HIGH FREQUENCY INJECTION METHOD BASED ON DUTY CYCLE SHIFTING WITHOUT MAXIMUM VOLTAGE MAGNITUDE LOSS ...... 811 Dong Wang, Kaiyuan Lu, Peter Omand Rasmussen

A NEW TWO-MOTOR DRIVE TO CONTROL A TWO-PHASE AND A DC MOTOR ...... 818 Younes Sangsefidi, Saleh Ziaeinejad, Ali Mehrizi-Sani

A PERFORMANCE COMPARISON STUDY OF CONTINUOUS AND DISCONTINUOUS HYBRID-PWM CONTROL FOR A 3-LEVEL NEUTRAL POINT CLAMPED (NPC) TRACTION INVERTER DRIVE ...... 828 Abhijit Choudhury, Pragasen Pillay, Sheldon S. Williamson

A TRANSFER FUNCTION APPROACH TO ACTIVE DAMPING OF AN INDUCTION MOTOR DRIVE WITH LC FILTERS...... 834 Srikanthan Sridharan, Philip Krein

AN ADVANCED TWELVE STEP SENSOR-LESS CONTROL OF BRUSHLESS DC MOTOR FOR VEHICLE COOLING FAN DRIVE SYSTEM...... 841 Sung An Kim, Sang In Byun, Chun Seok Jang, Yun Hyun Cho

AN IMPROVED SLIDING-MODE OBSERVER FOR IPM DRIVES WITH A NEW PHASE DELAY MITIGATION ALGORITHM BASED ON EXTENDED ELECTROMOTIVE FORCE MODEL...... 846 Zhuangyao Tang, Bilal Akin

ANALYSIS OF DRIVING CYCLES EFFECTS ON POWER SUPPLY REQUIREMENTS OF A POWERED LIGHT-WEIGHT ...... 853 Valeria Boscaino, Rosario Miceli

ANLYSIS OF STABLE OPERATING CONDITION OF Q-AXIS CURRENT FEEDBACK CONTROL SYSTEM OF IPMSM IN FLUX WEAKENING REGION ...... 860 Soichiro Kurita, Keiichiro Kondo

APPLICATION OF A BIDIRECTIONAL DC-DC IN AN ELECTRIC POWERTRAIN FOR MEDIUM DUTY DELIVERY TRUCKS ...... 866 Ali Najmabadi, Kieran Humphries, Benoit Boulet

AUTOMATIC TUNING TECHNIQUE FOR LOW SPEED POSITION SENSORLESS METHOD BASED ON BLOCK COMMUTATION DRIVE ...... 872 Yoshitaka Iwaji, Masaki Hano, Naoki Okamoto, Ryoichi Takahata

BACK-EMF BASED SENSORLESS VECTOR CONTROL OF TUBULAR PM LINEAR MOTORS ...... 878 Hussain Hussain, Hamid Toliyat

COMPARISON OF REGENERATIVE BRAKING CONTROLLERS FOR PERMANENT MAGNET SYNCHRONOUS MACHINES...... 884 Aravind Samba Murthy, David Magee, David Taylor

CONTROL CHALLENGES AND MITIGATION TECHNIQUES FOR SENSOR ERRORS IN MODULAR MOTOR DRIVES WITH WEAKLY-COUPLED DISTRIBUTED CONTROL ARCHITECTURES ...... 890 Adam Shea, T. M. Jahns

CONTROL FOR HIGH MOMENTARY TORQUE FROM VECTOR-CONTROLLED INDUCTION MACHINES ...... 897 Veysel T. Buyukdegirmenci, Philip T. Krein

CONTROL METHODS FOR A BRUSHLESS DC MOTOR DRIVE WITH A NEW CONVERTER TOPOLOGY...... 904 Ahmed Shehada, Krishnan Ramu

CONTROL OPTIMIZATION OF NINE-PHASE VARIABLE SPEED DRIVE SYSTEM ...... 910 Zach Pan, Jouni Ikaheimo

DESIGN AND SENSORLESS CONTROL OF A RELUCTANCE SYNCHRONOUS MACHINE FOR A MAGNETICALLY LEVITATED DRIVE...... 916 Matthias Hofer, Richard Spießberger, Manfred Schroedl

DIRECT INSTANTANEOUS TORQUE AND FORCE CONTROL: A NOVEL CONTROL APPROACH FOR SWITCHED RELUCTANCE MACHINES ...... 922 Annegret Klein-Hessling, Andreas Hofmann, Rik W. De Doncker

DIRECT TORQUE CONTROL OF SPARSE THREE LEVEL INVERTER FED LOW VOLTAGE IPMSM DRIVE...... 929 Deepu Mohan, Xinan Zhang, Gilbert Foo

EMBEDDED SYSTEM CONSIDERATIONS FOR ADVANCED ALGORITHMS IN ELECTRIC DRIVES...... 936 Michael Stettenbenz, Patrick Vicente, Ali Bazzi

EVALUATION OF A MULTIPHASE DRIVE SYSTEM IN EV AND HEV APPLICATIONS...... 941 Lebing Jin, Staffan Norrga, Hui Zhang, Oskar Wallmark

IMPACT OF POSITION SENSOR ACCURACY ON THE PERFORMANCE OF PROPULSION IPM DRIVES ...... 946 Suresh Gopalakrishnan, Lei Hao, Chandra Namuduri, Khwaja Rahman, Avoki Omekanda, Chad Freitas

IMPLEMENTATION ISSUES AND PERFORMANCE EVALUATION OF DEADBEAT, DIRECT TORQUE AND FLUX CONTROL (DB-DTFC) DRIVES ...... 953 Yukai Wang, Huthaifa Flieh, Shang-Chuan Lee, Robert Lorenz

INDUCTION MOTOR MAGNETIZING CHARACTERISTIC IDENTIFICATION AT STANDSTILL WITH SINGLE-PHASE TESTS CONDUCTED THROUGH THE INVERTER...... 960 Shafiq Ahmed Odhano, Andrea Cavagnino, Radu Bojoi, Alberto Tenconi

INVESTIGATION OF SINGLE-SWITCH SHORT-CIRCUIT FAULT CHARACTERISTICS OF A PM MACHINE DRIVE WITH A CURRENT SOURCE INVERTER...... 967 Yichao Zhang, Wanjun Zhang, Thomas Jahns

LOSS MINIMIZING CONTROL STRATEGY FOR ELECTRICAL MACHINES CONSIDERING IRON LOSS DISTRIBUTION ...... 974 Andreas Ruf, Andreas Thul, Simon Steentjes, Kay Hameyer

LOW-COST SINGLE-SWITCH VARIABLE-SPEED SWITCHED RELUCTANCE MOTOR DRIVE ...... 981 Ahmed Shehada, Krishnan Ramu

MANAGEMENT OF CAPACITOR VOLTAGES IN SPLIT-AC SWITCHED RELUCTANCE MOTOR DRIVES WITH POWER FACTOR CORRECTION...... 986 Adam B. Clark, Babak Fahimi

MINIMUM LOSS CONTROL OF INTERIOR PERMANENT MAGNET TRACTION MOTOR...... 992 Tino Jercic, Damir Zarko, Jadranko Matusko, Marijan Martinovic

MODEL PREDICTIVE OVERLOAD CONTROL OF INDUCTION MOTORS ...... 999 Fang Qi, Alexander Stippich, Stefan Koschik, Rik W. De Doncker

MODELING OF MUTUALLY COUPLED SWITCHED RELUCTANCE MOTORS FOR TORQUE RIPPLE MINIMIZATION...... 1006 Wasi Uddin, Yilmaz Sozer

MULTI-N-PHASE SMPM DRIVES...... 1011 Michela Diana, Giovanni Piccoli, Paolo Guglielmi, Stefan George Rosu

ON THE EFFECTS OF HIGH-TEMPERATURE-INDUCED AGING ON ELECTRICAL MACHINE WINDINGS...... 1018 Daniel Huger, Dieter Gerling

OPTIMAL SUSTAINABLE FAULT TOLERANT CONTROL OF FIVE-PHASE PERMANENT MAGNET ASSISTED SYNCHRONOUS RELUCTANCE MOTOR ...... 1022 Akm Arafat, Seungdeog Choi

OVERALL ASSESSMENTS OF DUAL INVERTER OPEN WINDING DRIVES ...... 1029 Bo Wang, G. Localzo, G. El Murr, J. Wang, A. Griffo, C. Gerada, T. Cox

REAL-TIME SENSORLESS SPEED ESTIMATION IN WOUND ROTOR INDUCTION MACHINES USING A DICHOTOMOUS SEARCH ALGORITHM ...... 1036 Kavul Tshiloz, Sinisa Djurovic, Slobodan Djukanovic

ROBUST SLIDING MODE CONTROL FOR ELECTRICAL DRIVES ...... 1043 Franck Betin, Gerard Capolino

SEAMLESS GRID INTERACTION FOR A SWITCHED DOUBLY-FED MACHINE PROPULSION DRIVE ...... 1049 Arijit Banerjee, Steven B. Leeb, James L. Kirtley

SELF-LEARNING MTPA CONTROL OF INTERIOR PERMANENT MAGNET SYNCHRONOUS MACHINE DRIVES BASED ON VIRTUAL SIGNAL INJECTION ...... 1056 Tianfu Sun, Jiabin Wang, Mikail Koc, Xiao Chen

SOLAR PV-POWERED SRM DRIVE FOR EVS WITH FLEXIBLE ENERGY CONTROL FUNCTIONS...... 1063 Yihua Hu, Chun Gan, Wenping Cao, Youtong Fang

THE EFFECT OF THE THREE LEVEL NEUTRAL POINT CLAMPED (NPC) INVERTER ON THE CORE LOSS OF A SYNCHRONOUS RELUCTANCE MACHINE (SYNRM)...... 1071 Lesedi Masisi, Maged Ibrahim, Pragasen Pillay

VOLTAGE CONTROLLER FOR FLUX WEAKENING OPERATION OF INTERIOR PERMANENT MAGNET SYNCHRONOUS MOTOR IN AUTOMOTIVE TRACTION APPLICATIONS...... 1078 Tobias Huber, Wilhelm Peters, Joachim Böcker

WINDING SCHEMES FOR WIDE CONSTANT POWER RANGE OF DOUBLE STATOR AXIAL/TRANSVERSE FLUX MACHINE ...... 1084 Tausif Husain, Iftekhar Hassan, Yilmaz Sozer, Iqbal Husain, Eduard Muljadi

DESIGN AND RELATED PROBLEMS

2D ANALYTICAL MODEL FOR ESTIMATION OF EDDY CURRENT LOSS IN THE MAGNETS OF IPM MACHINES CONSIDERING THE REACTION FIELD OF THE INDUCED EDDY CURRENTS ...... 1096 Milind Paradkar, Joachim Böcker

A FLUX BARRIER COOLING FOR TRACTION MOTORS IN HYBRID DRIVES...... 1103 Alexander Nollau, Dieter Gerling

A MODIFIED ANALYTICAL METHOD FOR CORE LOSSES CALCULATION IN MAGNETIC LAMINATIONS FOR A WIDE RANGE OF FREQUENCY AND FLUX DENSITY ...... 1109 Amir Masoud Takbash, Pragasen Pillay

A NEW METHODOLOGY FOR IDENTIFYING EXTERNAL CONVECTION COEFFICIENTS IN ELECTRIC MACHINES...... 1115 Khadija El Kadri Benkara, Bassel Assaad, Guy Friedrich

ANALYTICAL ELECTROMAGNETIC TORQUE ESTIMATION OF AN AXIAL FLUX PERMANENT MAGNET MACHINE UNDER SATURATION...... 1124 Werner Jara, Juan Tapia, Juha Pyrhönen, Pia Lindh

ANALYTICAL MODEL FOR PREDICTING AC LOSSES IN FORM-WOUND MACHINE WINDINGS DUE TO STATOR CURRENT INTERACTIONS...... 1131 Wanjun Zhang, Thomas Jahns

ANALYTICAL MODELING OF MANUFACTURING TOLERANCES FOR SURFACE MOUNTED PERMANENT MAGNET SYNCHRONOUS MACHINES...... 1138 Michael Schröder, David Franck, Kay Hameyer

BRUSHLESS DOUBLY-FED INDUCTION MACHINES: TORQUE RIPPLE...... 1145 Tim D. Strous, Xuezhou Wang, Henk Polinder, Jan A. Ferreira

CHARACTERISTICS COMPARISON AND SELECTION GUIDE FOR MAGNETIC MATERIALS USED IN ELECTRICAL MACHINES ...... 1152 Andreas Krings, Marco Cossale, Alberto Tenconi, Juliette Soulard, Andrea Cavagnino, Aldo Boglietti

COMPARISON OF MAGNETIC CIRCUIT DESIGN METHODS OF TRANSVERSE FLUX RELUCTANCE MACHINES ...... 1158 Jan Doering, Wilfried Hofmann

COMPUTATIONALLY EFFICIENT 3D FEM ROTOR EDDY-CURRENT LOSS CALCULATION FOR PERMANENT MAGNET SYNCHRONOUS MACHINES...... 1165 Martin Van Der Geest, Henk Polinder, Braham Ferreira

DESIGN CONSIDERATIONS FOR PERMANENT MAGNET MACHINE DRIVES FOR DIRECT DRIVE ELECTRIC VEHICLE APPLICATION...... 1170 Lakshmi Varaha Iyer, Shruthi Mukundan, Himavarsha Dhulipati, Kaushik Mukherjee, Bruce Minaker, Narayan Kar

DESIGN OF HIGH-EFFICIENCY INTERIOR PERMANENT MAGNET SYNCHRONOUS MACHINE WITH STATOR FLUX BARRIERS AND SINGLE-LAYER CONCENTRATED WINDINGS...... 1177 Volodymyr Bilyi, Dieter Gerling

DETERMINATION OF ORIGINAL NON-DEGRADED AND FULLY DEGRADED B-H CURVES FROM MEASUREMENTS OF MATERIAL SUBMITTED TO MECHANICAL CUTTING ...... 1184 Madeleine Bali, Herbert De Gersem, Annette Muetze

DETERMINATION OF THE INFLUENCES OF DIFFERENT LAMINATION STEEL CUTTING TECHNIQUES ON THE STEEL'S BH-CURVES DETERMINED BY MEANS OF A REMAGRAPH...... 1190 Madeleine Bali, Annette Muetze

EFFICIENCY ORIENTED DESIGN GUIDELINES FOR A MAGNETOHYDRODYNAMIC GENERATOR SYSTEM ...... 1197 Eva Cosoroaba, Babak Fahimi

ELECTROMAGNETIC DESIGN OF A LIGHTWEIGHT 10 MW PERMANENT MAGNET SYNCHRONOUS GENERATOR FOR WIND TURBINE APPLICATION...... 1202 Cornelia Stuebig, Axel Seibel, Klaus Schleicher, Lena Haberjan, Markus Kloepzig, Bernd Ponick

ELECTROMAGNETIC FIELD-THERMAL COUPLED ANALYSIS OF INTERIOR PMSM...... 1209 Jae-Bum Park, Morteza Moosavi, Hamid A. Toliyat

EQUIVALENT THERMAL CONDUCTIVITY DETERMINATION OF WINDING INSULATION SYSTEM BY FAST EXPERIMENTAL APPROACH ...... 1215 Aldo Boglietti, Enrico Carpaneto, Silvio Vaschetto, Marco Cossale, Mircea Popescu, Dave Staton

HIGH-FREQUENCY MODEL AND PARAMETER IDENTIFICATION OF ELECTRICAL MACHINES USING NUMERICAL SIMULATIONS...... 1221 Bastian Heidler, Kai Brune, Martin Doppelbauer

IDENTIFICATION OF DESIGN RULES FOR INTERIOR PM MOTORS WITH DIFFERENT COOLING SYSTEMS ...... 1228 Alireza Fatemi, Dan M. Ionel, Nabeel A. Demerdash

INDUSTRIAL-SCALE MOTOR COGGING TORQUE CONTROL FOR A HIGH-VOLUME MOTOR MANUFACTURING ...... 1235 Sunny Zhang, Enrico Carraro, Koen Ververke, Nicola Bianchi, Kai Wang

INFLUENCE OF DEMAGNETIZATION-TEMPERATURE ON MAGNETIC PERFORMANCE OF RECYCLED ND-FE-B MAGNETS...... 1242 Stig Högberg, Joachim Holbøll, Nenad Mijatovic, Bogi Bech Jensen, Flemming Buus Bendixen

INFLUENCE OF PARALLEL WIRE PLACEMENT ON THE AC COPPER LOSSES IN ELECTRICAL MACHINES ...... 1247 David Bauer, Paul Mamuschkin, Hans-Christian Reuss, Eugen Nolle

INFLUENCES OF IRON LOSS COEFFICIENTS ESTIMATION ON THE PREDICTION OF IRON LOSSES FOR VARIABLE SPEED MOTORS...... 1254 Jonathan Juergens, Oliver Winter, Antonio Fricassè, Bernd Ponick

IRON LOSS ESTIMATION FOR HIGHLY DISTORTED CURRENTS IN INVERTER OUTPUT CHOKES...... 1260 Florian Bachheibl, Dieter Gerling

LOSS COEFFICIENT CHARACTERISATION FOR HIGH FREQUENCY, HIGH FLUX DENSITY ELECTRICAL MACHINE APPLICATIONS ...... 1265 Johannes Potgieter, Francisco Marquez-Fernandez, Alexander Fraser, Malcolm McCulloch

MAGNETICALLY BIASED INDUCTOR FOR AN AEROSPACE SWITCHED RELUCTANCE DRIVE ...... 1272 Stephen McDonald, Sana Ullah, Glynn Atkinson, Richard Martin

MODELLING OF INDUCTION MACHINE TIME AND SPACE HARMONIC EFFECTS IN THE SIMULINK ENVIRONMENT...... 1279 Nur Sarma, Kavul Tshiloz, Damian Vilchis-Rodriguez, Sinisa Djurovic

NUMERICAL MODELING OF 3D PRINTED ELECTRIC MACHINES ...... 1286 Jerry Waterman, Alexander Clucas, Timothy Costa, Yue Zhang, Julia Zhang

PREDICTION OF THE MAGNETIC FIELD IN THE AIR-GAP OF SYNCHRONOUS MACHINES ON A PRELIMINARY DESIGN LEVEL - MACHINE MODELING AND FIELD CALCULATION...... 1292 Stephan Willerich, Hans-Georg Herzog

QUANTIFYING EDDY CURRENT EFFECTS ON A MAGNETIC THRUST BEARING USED IN A HIGH SPEED ELECTRICAL MACHINE...... 1299 Arunvel Kailasan, Radu Curiac

QUANTITATIVE DESIGN FOR MANUFACTURING AND ASSEMBLY TO ENABLE IMPROVED MOTOR CORE DESIGN AND MANUFACTURING PROCESS SELECTION ...... 1305 Duncan Ogilvie, Svetan Ratchev, Christopher Gerada, Steven Grace

SHIELDING OF THE Z-COMPONENT OF THE MAGNETIC FIELD IN A 2-D MAGNETIZER WITH A DEEP YOKE...... 1312 John Wanjiku, Pragasen Pillay

SIMPLIFIED ANALYSIS TECHNIQUE FOR DOUBLE LAYER NON-OVERLAP MULTIPHASE SLIP PERMANENT MAGNET COUPLINGS IN WIND ENERGY APPLICATIONS ...... 1317 Petrus Van Wyk, Maarten J. Kamper

SIMULATING THE CHANGE OF MAGNETIC PROPERTIES OF ELECTRICAL STEEL SHEETS DUE TO PUNCHING...... 1324 Reinhard Woehrnschimmel, Hans-Joerg Kappeller, Dieter Horwatitsch, Simon Ertl, Annette Muetze, Oliver Winter

THERMAL AND MECHANICAL OPTIMIZATION OF WATER JACKET OF PERMANENT MAGNET SYNCHRONOUS MACHINES FOR ELECTRIC VEHICLES APPLICATION...... 1329 Bin Zhang, Ronghai Qu, Xinggang Fan, Jin Wang

THERMAL MODELS FOR ELECTRICAL MACHINE PERFORMANCE IMPROVEMENT USING ENCAPSULATION MATERIAL ...... 1336 Haodong Li, Keith Klontz, Dan Barber

TRANSIENT AND STEADY-STATE 3-D ELECTRO-THERMAL DESIGN AND ANALYSIS OF THE ROTATING POWER ELECTRONIC IGBT CONVERTER...... 1342 Naveed-Ur-Rehman Malik, Iqbal Husain

CONDITION MONITORING, FAULT DETECTION, NOISE AND VIBRATION

AN ACCELERATED THERMAL AGING PLATFORM TO MONITOR FAULT PRECURSOR ON-STATE RESISTANCE ...... 1352 Serkan Dusmez, Bilal Akin

APPLICATION OF SINUSOIDAL FIELD POLE IN A PERMANENT MAGNET SYNCHRONOUS MACHINE TO IMPROVE THE ACOUSTIC BEHAVIOR CONSIDERING THE MTPA AND MTPV OPERATION AREA ...... 1359 Aryanti Kusuma Putri, Sebastian Rick, David Franck, Kay Hameyer

COMPARING STATOR CURRENT ANALYSIS WITH VIBRATION ANALYSIS IN ORDER TO DETECT BEARING FAULTS - A CASE STUDY...... 1366 Bram Corne, Bram Vervisch, Colin Debruyne, Jos Knockaert, Jan Desmet

COMPARISON OF VIBRATION AND MAGNETIC FORCE BEHAVIOURS BETWEEN DIFFERENT SWITCHED RELUCTANCE MACHINE TOPOLOGIES...... 1373 Ruchao Pupadubsin, Barrie Mecrow, James Widmer, Andrew Steven

DESIGN AND EMPIRICAL IDENTIFCATION OF A LUMPED PARAMETER THERMAL NETWORK FOR PERMANENT MAGNET SYNCHRONOUS MOTORS WITH PHYSICALLY MOTIVATED CONSTRAINTS...... 1380 Oliver Wallscheid, Joachim Böcker

DIAGNOSIS OF STATOR SHORT-CIRCUIT FAULTS IN SERIES AND PARALLEL WINDING CONNECTIONS OF CLOSED-LOOP CONTROLLED PMSMS...... 1387 Jiangbiao He, Alireza Fatemi, Nabeel Demerdash, Dan Ionel

EXPERIMENTAL INVESTIGATION OF DIFFERENT FAULT INDICATORS FOR SYNCHRONOUS MACHINE FAILURE ANALYSIS...... 1398 Subrat Kumar Sahoo, Pedro Rodriguez, Djordje Savinovic

FAULT DETECTION OF A FIVE-PHASE PERMANENT MAGNET SYNCHRONOUS RELUCTANCE MOTOR BASED ON SYMMETRICAL COMPONENTS THEORY...... 1405 Akm Arafat, Seungdeog Choi

FAULT DIAGNOSIS AND CONDITION MONITORING OF BEARING USING MULTISENSORY APPROACH BASED FCM CLUSTERING ...... 1412 Elham Pazouki, Seungdeog Choi

HYBRID ACOUSTIC MODEL OF ELECTRIC VEHICLES: FORCE EXCITATION IN PERMANENT MAGNET SYNCHRONOUS MACHINES ...... 1419 Sebastian Rick, Aryanti Kusuma Putri, David Franck, Kay Hameyer

INSULATION CONDITION MONITORING OF TRACTION DRIVES BASED ON TRANSIENT CURRENT SIGNAL RESULTING FROM DIFFERENTIAL AND COMMON MODE EXCITATION ...... 1426 Clemens Zoeller, Markus Vogelsberger, Thomas Wolbank

ON - LINE MONITORING OF CAPACITANCE AND DISSIPATION FACTOR OF WINDING INSULATION USING HIGH FREQUENCY COMMON MODE VOLTAGE FROM PWM ...... 1433 Igor Tsyokhla, Antonio Griffo, Jiabin Wang

PLANETARY GEARBOX TORSIONAL VIBRATION EFFECTS ON WOUND ROTOR INDUCTION GENERATOR ELECTRICAL SIGNATURES...... 1440 Mohammad Hoseintabar Marzebali, Shahin Hedayati Kia, Humberto Henao, Gérard-André Capolino, Jawad Faiz

ROBUST STATOR FAULT DETECTION UNDER LOAD VARIATION IN INDUCTION MOTORS USING AI TECHNIQUES ...... 1446 Negin Lashkari, Hamid Fekri Azgomi, Javad Poshtan, Majid Poshtan

SEPARATION HARMONICS FOR DETECTING BROKEN BAR FAULT IN CASE OF LOAD TORQUE OSCILLATION...... 1452 Taner Goktas, Muslum Arkan, Mohsen Zafarani, Bilal Akin

SEPARATION OF BROKEN MAGNET AND STATIC ECCENTRICITY FAILURES IN PMSM ...... 1459 Taner Goktas, Mohsen Zafarani, Bilal Akin

SPACE-TIME REPRESENTATION OF THE MAIN AIR GAP FLUX OF A THREE PHASE SQUIRREL CAGE INDUCTION MOTOR AND ITS APPLICATION TO DETECT ECCENTRICITY ...... 1466 Khalid Saad, Galina Mirzaeva

STATIC ECCENTRICITY FAULT DETECTION OF THE BLDC MOTOR INSIDE THE AIR HANDLER UNIT ...... 1473 Chen Jiang, Thomas Habetler

TURBOGENERATOR HARMONIC SENSITIVITY IN ROTOR SHORT-CIRCUIT IDENTIFICATION ...... 1477 Mauricio Esper Andere, Takashi Yoneyama, Jorge Johnny Rocha Echeverria, Edson Da Costa Bortoni

EMBEDDED APPLICATION AND ‘SMART’ SOLUTIONS

A STUDY ON A ENERGY MANAGEMENT OF EDLC FOR UNBALANCED INPUT VOLTAGE THREE LEVEL INVERTER...... 1488 Yoshiki Ohno, Keiichiro Kondo

A VERIFICATION APPROACH FOR THE OPTIMIZATION OF MILD HYBRID ELECTRIC VEHICLES ...... 1494 Markus Dirnberger, Hans-Georg Herzog

COMPARISON OF CLASS 2A TRUCK ELECTRIC VEHICLE DRIVETRAIN LOSSES FOR SINGLE- AND TWO-SPEED GEARBOX SYSTEMS WITH IPM TRACTION MACHINES ...... 1501 Phillip Kollmeyer, James McFarland, Thomas Jahns

SCALABLE FPGA AND DSP BASED CONTROL FOR MULTIPHASE CONCENTRATED WINDING PERMANENT MAGNET MACHINES WITH SINGLE COIL INTEGRATED INVERTERS...... 1515 Stefan Koschik, Felix Adler, Daniel Szepanski, Rik De Doncker

GRID-CONNECTED OR EMERGENCY APPLICATIONS

DESIGN OF A POWER ELECTRONIC EMULATOR FOR PARALLEL OPERATION OF RENEWABLE ENERGY RESOURCES IN MICROGRIDS ...... 1532 Hesam Akbarian, Pragasen Pillay, Luiz Lopes

ELECTRICAL MACHINES FOR POWER GENERATION IN OSCILLATING WAVE ENERGY CONVERSION SYSTEM - A COMPARATIVE STUDY ...... 1538 Samir Hazra, Subhashish Bhattacharya

IMPROVING DYNAMIC PERFORMANCE OF GRID-CONNECTED WIND FARM USING SYSTEM...... 1545 T. Taj, Hany Hasanien, Abdulrahman Alolah

NEW EXCITATION CONCEPTS FOR TURBINE GENERATORS...... 1550 Stefan Schmuelling, Christoph Schmuelling, Stefan Habel

HIGH SPEED ELECTRICAL MACHINES AND DRIVES FOR EMERGING APPLICATIONS

A NOVEL DUAL-STATOR FLUX SWITCHING PERMANENT MAGNET MACHINE WITH SIX STATOR SLOTS AND FOUR ROTOR POLES CONFIGURATION ...... 1566 Yingjie Li, Dheeraj Bobba, Bulent Sarlioglu

ASSESSMENT OF HIGH-SPEED MULTI-MEGAWATT ELECTRIC MACHINES ...... 1573 Silong Li, Bulent Sarlioglu

DESIGN OF AN E-CORE FLUX-SWITCHING PERMANENT MAGNET MACHINE WITH LARGE AIR-GAP...... 1580 Andreas Lindner, Ingo Hahn

EVALUATION OF HIGH-SPEED PERMANENT MAGNET SYNCHRONOUS MACHINE DRIVE WITH THREE-LEVEL AND TWO-LEVEL INVERTER ...... 1586 Donglai Liang, Jian Li, Ronghai Qu, Pei Zheng, Bao Song

HIGH SPEED SRM CONTROL CONSIDERING THE INDUCTANCE PROFILE OF A FLUX- BRIDGE ROTOR...... 1593 Jie Dang, J. Rhett Mayor, Ronald Harley, Thomas Habetler, Jose Restrepo, Andrew Semidey

HIGH SPEED SURFACE PM SYNCHRONOUS MACHINE FOR WOBBLE LASER WELDING...... 1600 Luca Castellini, Moreno D'Andrea

MECHANICAL AND THERMAL DESIGN OF AN AEROENGINE STARTER/GENERATOR...... 1607 Zeyuan Xu, Antonino La Rocca, Chris Gerada, Stephen Pickering, Serhiy Bozhko, Carol Eastwick

NONLINEAR, MAGNETICS MODEL OF A SYNCHRONOUS GENERATOR ...... 1614 David A. Woodburn, Thomas X. Wu, Anthony Camarano

STATE-OF-THE-ART HIGH-SPEED SWITCHED RELUCTANCE MACHINES...... 1621 Earl W. Fairall, Berker Bilgin, Ali Emadi

THE INFLUENCE OF THE INVERTER SWITCHING FREQUENCY ON ROTOR LOSSES IN HIGH-SPEED PERMANENT MAGNET MACHINES: AN EXPERIMENTAL STUDY...... 1628 Marko Merdzan, Johannes J. H. Paulides, Aleksandar Borisavljevic, Elena A. Lomonova

OPTIMIZATION TECHNIQUES FOR ELECTRICAL MACHINES AND DRIVES

A COMPREHENSIVE ANALYTICAL POWER LOSS MODEL OF AN INDUCTION MOTOR DRIVE SYSTEM WITH LOSS MINIMIZATION CONTROL ...... 1638 Yiqi Liu, Ali Bazzi

A COMPUTATIONALLY EFFICIENT MULTI-PHYSICS OPTIMIZATION TECHNIQUE FOR PERMANENT MAGNET MACHINES IN ELECTRIC VEHICLE TRACTION APPLICATIONS...... 1644 Liang Chen, Xiao Chen, Jiabin Wang, Panagiotis Lazari

CASCADED DESIGN METHODOLOGY FOR SWITCHED RELUCTANCE MOTORS CONSIDERING OPTIMUM CONTROL...... 1651 Mario Greule, Martin Doppelbauer

DESIGN OF INITIAL TOPOLOGY OF INTERIOR PERMANENT MAGNET SYNCHRONOUS MACHINE FOR ...... 1658 Mirsad Cosovic, Senad Smaka

DESIGN OF SYNCHRONOUS MACHINES FOR DC POWER GENERATION...... 1665 Peter R. O'Regan, Ron Wang, Steven D. Pekarek

DESIGN OPTIMIZATION OF SWITCHED RELUCTANCE MACHINE USING GENETIC ALGORITHM ...... 1671 Weisheng Jiang, Berker Bilgin, Brock Howey, Ali Emadi

DESIGN OPTIMIZATION OF SWITCHED RELUCTANCE MOTOR FOR AEROSPACE APPLICATION ...... 1678 Luca Castellini, Marco Villani, Stefano Lucidi

DIRECT TORQUE CONTROL OF PERMANENT MAGNET SYNCHRONOUS MACHINE USING SPARSE MATRIX CONVERTER WITH SIC SWITCHES ...... 1683 Mohammadreza Barzegaran, Mohammad Kamruzzaman, Mahmud Mohammad Hazzaz, Osama A. Mohammed

FINITE ELEMENT BASED MULTI-OBJECTIVE OPTIMIZATION OF A BRUSHLESS DOUBLY-FED INDUCTION MACHINE ...... 1689 Tim D. Strous, Xuezhou Wang, Henk Polinder, Jan A. Ferreira

GEOMETRY OPTIMIZATION OF A BEARINGLESS FLUX-SWITCHING SLICE MOTOR...... 1695 Karlo Radman, Wolfgang Gruber, Neven Bulic

LARGE SCALE OPTIMIZATION OF ELECTRONICALLY CONTROLLED SYNCHRONOUS RELUCTANCE MACHINES USING CE-FEA AND DIFFERENTIAL EVOLUTION...... 1702 Yi Wang, Dan Ionel, Minjie Jiang, Steve Stretz

MULTI-OBJECTIVE OPTIMIZATION OF AN ACTIVELY SHIELDED SUPERCONDUCTING FIELD WINDING: POLE COUNT STUDY ...... 1709 David C. Loder, Kiruba S. Haran

MULTI-OBJECTIVE TRADEOFFS IN THE DESIGN OPTIMIZATION OF SYNCHRONOUS RELUCTANCE MACHINES FOR ELECTRIC VEHICLE APPLICATION...... 1715 Stephan Guenther, Wilfried Hofmann

OBTAINING OPTIMIZED MULTI-PHASE PERMANENT MAGNET ASSISTED SYNCHRONOUS RELUCTANCE MOTOR USING AN EFFICIENT LUMPED PARAMETER MODEL BASED OPTIMIZER...... 1722 Md. Zakirul Islam, Sai Sudheer Reddy Bonthu, Seungdeog Choi

OFF-LINE PARAMETER IDENTIFICATION OF PERMANENT MAGNET SYNCHRONOUS MACHINE BASED ON METAHEURISTIC OPTIMIZATION...... 1729 Aiswarya Balamurali, Aida Mollaeian, Seyed Mousavi Sangdehi, Narayan Kar

OPTIMIZATION OF A TRANSVERS FLUX MACHINE WITH CLAW POLE AND FLUX- CONCENTRATING STRUCTURE...... 1735 Bo Zhang, Anshi Wang, Martin Doppelbauer

OPTIMIZATION OF CONTROL PARAMETERS FOR PM DC MOTORS IN PHOTOVOLTAIC APPLICATIONS...... 1742 Ahmed Mohammed, Alberto Berzoy, Osama Mohammed

SPEED IMPROVEMENTS FOR THE OPTIMIZATION OF ELECTRICAL MACHINES - A SURVEY...... 1748 Gerd Bramerdorfer, Ciprian Zavoianu, Siegfried Silber, Edwin Lughofer, Wolfgang Amrhein

STRUCTURE OPTIMIZATION OF ROTOR SUPPORTING OF PERMANENT MAGNET DIRECT DRIVE SYNCHRONOUS GENERATORS FOR LARGE WIND TURBINE BASED ON GENETIC ALGORITHM AND FINITE ELEMENT METHOD ...... 1755 Zhenyu Wu, Ronghai Qu, Jian Li, Haiyang Fang, Zansong Fu

SYSTEM-LEVEL LOSS MINIMIZATION OF VSI-BASED INDUCTION MOTOR DRIVES...... 1761 Srikanthan Srikanthan, Philip Krein

THERMOMAGNETIC LIQUID COOLING: A NOVEL VARIABLE SPEED MOTOR DRIVES THERMAL MANAGEMENT SOLUTION...... 1768 Giti Karimi-Moghaddam, Richard Gould, Subhashish Bhattacharya

TRANSIENT LOSS MINIMIZATION IN INDUCTION MACHINE DRIVES USING OPTIMAL CONTROL THEORY...... 1774 Siby Jose Plathottam, Hossein Salehfar

WEIGHTED FACTOR MULTI-OBJECTIVE DESIGN OPTIMISATION OF A RELUCTANCE SYNCHRONOUS MACHINE...... 1781 E Howard, M. J. Kamper

ADVANCED ELECTRIC MACHINES AND THE ASSOCIATED DRIVES FOR ELECTRIC VEHICLES

A NOISE AND VIBRATION REDUCTION OF A SWITCHED RELUCTANCE MOTOR WITH IMPROVED CURRENT REGULATION BY REDUCING FORCE SUM VARIATION...... 1794 Akira Chiba, Noboru Kurihara, Jacob Bayless

COMPARISON OF SYNCHRONOUS MACHINE DESIGNS WITH DISPLACED RELUCTANCE AXIS CONSIDERING LOSSES AND IRON SATURATION ...... 1801 Patrick Winzer, Martin Doppelbauer

DESIGN DEVELOPMENT OF TWO PHASE TRANSVERSE FLUX WITH PERMANENT-MAGNET EXCITATION...... 1808 R. Meer, H. M. Hasanien, A. I. Alolah

DESIGN OPTIMIZATION AND DEVELOPMENT OF ELECTRIC MACHINE FOR CHEVY SPARK ...... 1814 Sinisa Jurkovic, Khwaja Rahman, Peter Savagian

INDIRECT SLOT COOLING FOR HIGH-POWER-DENSITY MACHINES WITH CONCENTRATED WINDING...... 1820 Markus Schiefer, Martin Doppelbauer

LIGHTWEIGHT DESIGN AND PROTOTYPING OF HIGH PERFORMANCE PERMANENT MAGNET SYNCHRONOUS MACHINES FOR AN ELECTRIC DRIVEN RACING CAR...... 1826 Christian Lechner, Erich Schmidt

MAGNET LOSSES AND DEMAGNETISATION IN A PERMANENT MAGNET IN-WHEEL ELECTRIC VEHICLE TRACTION MOTOR ...... 1831 Sichao Yang, Nick Baker, Barrie Mecrow, Daniel Smith, Glynn Atkinson, Chris Hilton, Dragica Perovic, Ioannis Kakavas, Gunaratnam Sooriyakumar, Paul Harvey

PARAMETER ANALYSIS OF CURRENT AND VOLTAGE RIPPLE IN A TRACTION SYSTEM ...... 1838 Andeas Karvonen, Torbjörn Thiringer

PRE-COMPRESSED AND STRANDED ALUMINIUM MOTOR WINDINGS FOR TRACTION MOTORS ...... 1851 James Widmer, Richard Martin, Barrie Mecrow

REDUCTION OF SUB-HARMONIC EFFECT ON THE FRACTIONAL SLOT CONCENTRATED WINDING INTERIOR PM MACHINES BY USING SPOKE-TYPE MAGNETS ...... 1858 Wang Yawei, Qu Ronghai, Wu Leilei, Fang Haiyang, Li Dawei

SCALING THE CLAW POLE MACHINE FOR DRIVE TRAIN OPTIMIZATION...... 1864 Markus Dirnberger, Thomas Kammerer, Hans-Georg Herzog

IMPACT OF POOR POWER QUALITY ON AND GENERATOR PERFORMANCE

COMPARISON OF PROTECTION REQUIREMENTS IN IE2-, IE3- AND IE4-CLASS MOTORS ...... 1874 Fernando J. T. E. Ferreira, Benoit Leprettre, André Q. Duarte, Aníbal De Almeida

EVALUATION OF THE ADDITIONAL LOSS DUE TO SUPPLY VOLTAGE DISTORTION IN RELATION TO INDUCTION MOTOR EFFICIENCY RATING ...... 1881 Colin Debruyne, Bram Corne, Peter Sergeant, Jan Desmet, Lieven Vandevelde

ON THE STAR, DELTA AND STAR-DELTA STATOR WINDING CONNECTIONS TOLERANCE TO VOLTAGE UNBALANCE ...... 1888 Fernando J. T. E. Ferreira

STATOR FLUX ACTIVE DAMPING BY OPTIMAL ROTOR CURRENT INJECTION FOR GRID TIED DOUBLY-FED INDUCTION GENERATOR...... 1895 Samir Hazra, Subhashish Bhattacharya

THE EFFECT OF A REDUCED POWER QUALITY ON THE ENERGY EFFICIENCY OF STAND-ALONE SYNCHRONOUS GENERATORS...... 1902 Colin Debruyne, Jan Desmet, Johan Rens, Jan De Kock

Author Index