ProceedingsUN. JEik'S TATSBiBUGl'r. ;

HANNGVeR

TECHNISCHEINFORMATIONSBIBLICyi H£K

INTERNATIONAL

AEGEAN CONFERENCE

ON

ELECTRICAL MACHINES

and

POWER ELECTRONICS

Ku§adasi, Turkey27 - 29 June 2001

UNIVERSITAISB'ELIOTHEK'

HANNOVER

ThCHrJSCC! IE

INFORMATIONSBiKUOTtlEK,

Organized by:

Sponsored by:

Middle East Technical UniversityIstanbul Technical University

Turkish Scientific and Technical Research Council

TUBITAK Information Technologies & Electronics

Research Institute

TABLE OF CONTENTS

Volume I

PLENARY SESSION

Wednesday, 27 June 2001 9.30-10.30

Chair: Prof. Dr. H.B. Ertan

Opening SpeechH.B. Ertan, Conference Chair

Y. UctugDean of the Faculty of Engineering ofMETU

Low Noise and Smooth Torque Permanent Magnet Propulsion Motors: 1

Comparison of Non-slotted and Slotted Radial and Axial Flux TopologiesT. Lipo, University of Wisconsin, USA

V

Session 1A: Machine Design I

Wednesday, 27 June 200110.45-12.30

Chair: Prof. Dr. S. Wiak

An Overview of the Induction Motors Designed for VFD 9

M. Teodorescu, A. Ghita, I. Costea, Electroputere S.A., Romania

New Standards Affecting Fractional Horsepower Motor Design 13

E.C. Protas, WATT Drive Antriebstechnik GmbH, Austria

Modeling the End-Effect in the Linear Asynchronous Motors 19

H. Kuriim, H. Altun, Firat University, Turkey

A User Friendly Design Package for Universal-Motors 24

M. Yilmaz, R.N. Tuncay, C. Onciiloglu, Istanbul Technical University, Turkey

Including Effects of Cross-Saturation and Leakage Path Saturation Together 30

in the Generalized Model of Three Phase Induction Generator

A.F. Almarshoud, College of Technology, Saudi Arabia, M.A. Abdel-halim, Cairo

University, Egypt, A.I. Alolah, King Saud University, Saudi Arabia

Study of Transients of Saturated Induction Machines with Space Harmonics 36

M.A.R. Pozueta, J.R. Diaz, J.C. Pardo, Universidad de Cantabria, Spain

VI

Session IB : Generators

Wednesday, 27 June 200110.45-12.30

Chair: Prof. Dr. Y. Uctug

Voltage Compensation of Stand-Alone Self-Excited Induction Generator by 42

Rotor Capacitor TechniqueG.A.Ghoneem, H.M.M. Diab, M.E. El-Shebiny, Menoufiya University, Egypt

Asynchronous Generator Having High Overloading Capacity 47

IV. Volkov, V.J. Lesnik, A.I. Chizhenko, Institute ofElectrodynamics of

Ukrainian National Academy of Sciences, Ukraine

Three-Phase Induction Generator Feeding a Single-Phase Electrical 51

Distribution System-Time Domain Mathematical Model

R.G. de Mendonca, S.CM. de Paula, CEFETGO, R.V.R. Silva, Luciano M. Neto,Universidade Federal de Uberlandia, Brazil

Photovaltaic Generators Partly Shaded-the Effect on Grid Connected Systems 57

R.E. Hanitsch, D. Schulz, U. Siegfried, Berlin University of Technology, Germany

VII

Session 1C : Electric Vehicles

Wednesday, 27 June 200110.45-12.30

Chair: Prof. Dr, M. Ehsani

Dynamic Simulation of Attractive Type Suspension Systems 61

A.E. Hartavi, O. Ustun, R.N. Tuncay, Istanbul Technical University, Turkey

A Vernier Reluctance Magnet Machine Application for an Urban Electric 67

Vehicle

P. Enrici, Universite Monpellier II, J. Fadat, D. Matt, LEM-UM, France

Electrical Drives in Military Vehicles 73

R.E. Colyer, Cranfield University, UK

Evaluation of Battery Energy Storage System for Hybrid and Electric Vehicle 79

§. Ku§dogan, Kocaeli University, Turkey

Adaptive Mode Control System in Electric Drive System of the Hybrid Wheel 83

Vehicles

Z. Szymanski, Silesian Technical University Gliwice, Poland

VIII

PLENARY SESSION

Wednesday, 27 June 200114.00-15.30

Chair: Prof. Dr. N. Tuncay

Brushless Self-excited Three-phase Synchronous Generator

S. Nonaka, Kyushu Electric College, Japan

Converter TopologiesM. Rashid, University of West Florida, USA

Off-line Experimental Identification of Parameters in Converter-fed

Brushless a.c. and d.c. Servomotors

L. Serrano-Iribarnegaray, Universidad Politechnica de Valencia, Spain

IX

Session 2A : Machine Design II

Wednesday, 27 June 200115.45-18.00

Chair: Prof. Dr. A. Jack

The Calculation of the Flux Density's Slot Harmonics in (un)Saturated 117

Induction Machines

M. M. Kostic, Nikola Tesla Institute, Yugoslavia

Semi-processed Electrical Steels for High Efficiency Single-Phase Motors 123

M. Villani, University of L'Aquila, Italy

Improvement of Time Harmonic Effects by Redesigning the Shape of Rotor 127

Slot in Squirrel Cage Induction Motor

A.F. Mergen, Istanbul Technical University, N.F. Serteller, Marmara University,Turkey

Three-phase Asynchronous Motor with Spiral Sheet Armature 131

R.M. Mujal Rosas, Polytechnic University of Catalonia, Spain

X

Session 2B : Power Electronics I

Wednesday, 27 June 200115.45-18.00

Chair: Prof. Dr. B. Bose

Harmonics Elimination Technique Applied to an N.P.C Topology Three Level 137

Inverter Used as Static Var CompensatorM. Benghanem, A. Draou, A. Tahri, University of Sciences and Technology of

Oran, Algeria, M. Ermi§, METU, Turkey

Mathematical Model ofNeurofuzzy Power Factor Control System 142

C.N. Pavlitov, S.T. Siderov, S.G. Andasarov, Technical University of Sofia,

Bulgaria

Skin Effect Influence on Comparison of Inverter AC Drives with Two-Phase 148

and Three-Phase PWM TechniquesS. Halasz, A. Zacharov, Budapest University of Technology and Economics,

Hungary, S. Pravadalioglu, Dokuz Eyltil University, Turkey

Power Factor Compensation of AC/DC Converters Using a Neural Controller 154

S. Meo, A. Perfetto, Federica II University, Italy

Simulation and Implementation of a Fuzzy Logic-Controlled Boost Type 160

Active Power Factor Conditioner

S. Tuncer, Y. Tatar,*H. Can, Firat University, Turkey

Design and Analysis of a DeJ^a Modulated PWM Inverter with Output Voltage 165

Compensation due to DC Bus RippleV. Kinnares, K. Sirichanpong, King Mongkut's Institute of Technology, S.Sae-Sue,

Mahanakorn University, Thailand

XI

Session 2C : Permanent Magnet Motors: Analysis

Wednesday, 27 June 200115.45-18.00

Chair: Prof. Dr. R. Hanitsch

Energetically Optimization of the DC Link Circuit in the Static Converter and 171

AC Motors

A. Bitoleanu, M. Popescu, University of Craiova, Romania

Induction Motor Drives and Voltage Stability 177

F. Jurado, N. Acero, M. Ortega, A. Cano, University of Jaen, Spain

Extended Operation with Constant Voltage of Claw Pole Generator Driven by 183

Wind Turbine

H.M.M. Diab, Menoufiya University, Egypt

Computer Simulation of a Polyphase Brushless DC Motor Prototype 188

E. Guzman, N. Bratu, Universidad Autonoma Metropolitana, R. Morales, JJ.

Rodriguez, Instituto Politecnico Nacional (SEPI), Mexico

Time Domain Analysis of Permanent Magnet Generators 192

0. Gol, B. Sobhi-Najafabadi, University of South Australia, Australia, F. Erfan;Kocaeli University, Turkey

Nonlinear Analysis and Experimental Results of Doubly SalientPM Generator 198

B. Sarhoglu, Honeywell International, T.A. Lipo, University of Wisconsin, USA

XII

PLENARY SESSION

Thursday, 28 June 2001 9.00-10.30

Chair: Prof. Dr. P. Rabinovici

Brushless Permanent-Magnet Motor Drives with Field WeakeningB,J. Chalmers, University ofManchester, UK

Digital Signal Processing for Electrical Machines

G.A. Capolino, University of Picardie, France

Electrical Drives in Steel Mills

L. Szentirmai, University of Miskolc, Hungary

Xffl

Session 3A : Induction Machine Analysis

Thursday, 28 June 200110.45-12.30

Chair: Prof. Dr. L. Serrano-Iribarnegaray

On Transient Induction Motor Analysis in Presence of Capacitor Bank 230

R. Rebhi, M. Elleuch, ENIT, Tunisia

Six Phase Induction Motor with Nonsymmetric Phase Axes Distribution 235

J. Bernatt, T. Glinka, Research and Development Centre of Electrical Machines

KOMEL, Poland

Unified Transformation for qd/qd, qd/abc, abc/qd Model of a Single-Cage 241

Induction Machine

T. Stirgevil, E. Akpmar, Dokuz Eyliil University, Turkey

XTV

Session 3B : Modeling & Simulation I

Thursday, 28 June 200110.45-12.30

Chair: Prof. Dr. O. Bulatov

Steady and Transient States of the Induction Motor Reproducing by 247

Multilayer Models of the Machine

A. Kaplon, Technical University of Kielce, Poland

A Simplified Robot Torque Controller Model for Simulation 253

P.P. Robet, I.U.T. de Nantes, M. Gautier, Ecole Centrale de Nantes, France

The Mathematical Model for Three-Phase Cage Induction Motors Supplied by 260

Static Frequency Converters

S. Musuroi, V. Olerescu, Politehnica University of Timisoara, Romania

Dynamic Simulation of the Induction Motor: The Efect of Iron Core in the 265

Dynamic Performance as Starting Currents and Iron Losses

X.A. Morera, E.V. Rovira, Polytechnic University of Catalunya, Spain

An Approach for the Modeling of Saturated Induction Machine 269

R. Ibtiouen, A. Nesba, S. Mekhtoub, O. Touhami, National Polytechnic School,

Algeria

XV

Session 3C : Identification & Testing I

Thursday, 28 June 200110.45-12.30

Chair: Prof. Dr. G. Capolino

Practical Application of an Angular Accelerometer for Transient 275

Measurements at Electrical Machines

A. Sonal, University of Kaiserslautern, Germany, P. Brad, Politehnica Universityof Timisoara, Romania

The Full-Load Back to Back Test of the Synchronous Machines with Energy 279

RecoveryA. Campeanu, Technical University of Craiova, M.V. Cistelecan, E. Demeter,Research Institute for Electrical Machines, Romania

Extraction of B-H Hysteresis Loop from Measurements with Non-Uniform 283

Magnetic Field

M. Rebican, D. loan, Politehnica University of Bucharest, Romania

Estimation of the Electrical Parameters of an Induction Motor in Saturated 288

and Unsaturated Conditions by Use of the Least-Squares MethodM. Pucci, M. Cirrincione, Ce.Ri.S.E.P.-C.N.R., Italy

Genetic Algorithms Identification of Induction Motor Parameters 295

N. Benaidja, D. Slimani, N. Khenfer, University ofFerhat Abbas Setif, Algeria

Identification of Induction Machine Parameters Using the Continuous Model 299

N. Tali Maamar, M. Ait-Ahmed, Ecole Polytechnique de l'Universite de Nantes,France

Estimation of Induction Machine Parameters by a Model Structure 303

O. Touhami, R. Ibtiouen, L.M. Mghezzi, Ecole Nationale Polytechnique, Algeria,M. Benhaddadi, Ecole Polytechnique de Montreal, Canada

XVI

PLENARY SESSION

Thursday, 28 June 2001 14.00-15.30

Chair: Prof. Dr. H.B. Ertan

Switched Reluctance Motor Drives: New Solutions to HighPerformance Adjustable Speed ApplicationsM. Ehsani, Texas A&M University, USA

Application of Rare-Earth Magnets in Electrical Machines

R. Hanitsch, Berlin University of Technology, Germany

Sensorless Control ofAC Machines: an Emerging Technologyand a Theoretical ChallengeA. Consoli, University of Catania, Italy

XVII

Session 4A: Permanent Magnet Motors: Design

Thursday, 28 June 200115.45-18.00

Chair: Prof. Dr. B.J. Chalmers

Evaluation of Two Wheel Motors with Permanent Magnet: The Transverse 326

Vernier Hybrid Reluctance and the Synchronous AC Brushless

C. Espanet, D. Hadjidj, A. Miraoui, J.M. Kauffman, LEES/IGE, France

An Approach to the Air Gap Flux Density Computation for a Reluctance 330

Motor with Axially Laminated RotorI. Torac, Romanian Academy, P. Brad, "Politehnica" University of Timisoara,Romania

Harmonic Iron Losses Determination for Inverter fed Induction Motor Model 335

Z. Papazacharopoulos, J.A. Tegopoulos, National Technical University of Athens,Greece

Permanent Magnet Excited High Speed Synchronous Machines 341

J. Fadat, D. Matt, Universite Montpellier II, France

CPPM:A Synchronous Permanent Magnet Machine with Field Weakening 347

J.A. Tapia, T.A. Lipo, University of Wisconsin, Franco Leonardi, Ford Research

Laboratories, USA

Design and Test of Moving Armature PM DC Linear Motor 353

R. Demirci, Abant Izzet Baysal University, N. Tutkun, Karaelmas University,

Turkey

A 3-D Steady-state Calculation of the Electromagnetic Field in a Slotless 358

PMSM

L. Hadjout, S. Yaici, LRPE, Faculte de Genie Electrique, R. Ibtiouen, Ecole

Nationale Polytechnique d'Alger, Algeria

Parmanent Magnet Generator Design: A Systematic Approach 361

O. Gol, B. Sobhi-Najafabadi, University of South Australia, Australia

XVIII

Session 4B : Modeling & Simulation II

Thursday, 28 June 200115.45-18.00

Chair: Prof. Dr. L. Szentirmai

High Quality Modeling and Simulations for On-Line Digital Control Pre- 373

AnalysisD. Mihai, University of Craiova, Romania

Three-phase Transformers Modeling 379

J. A. Guemes Alonso, University ofthe Basque Country, Spain

Modeling a Sinusoidal Servodrive (Servomotor, Converter and Control): 386

Deduction, Simulink Implementation and Experimental ComparisonJ. Martinez-Roman, L. Serrano-Iribarnegaray, Universidad Politechnica de

Valencia, Spain

Thermal Models of Synchronous Machines Based on the Network Topology 393

Method

L. Xiaohong, Hunan University, China

Dynamic Analysis of Contact Bounce 398

X. A. Morera, A. G. Espinosa, Polytechnic University of Catalunya, Spain

Energy Management in an Air Flow Regulator 402

T. Bieler, F. Bonvin, Y. Perriard, Swiss Federal Institute of Technology,Switzerland

XIX

Session 4C : Power Electronics II

Thursday, 28 June 200115.45-18.00

Chair: Prof. Dr. M. Rashid

Low-Cost Discrete Steps Adjustable Frequency Converter for Home 408

AppliancesA. Consoli, G. Scarcella, M. Cacciato, University of Catania, A. Testa, UniversityofMessina, Italy

High Power Resonant Supply for Ultra Violet Lamps 414

J. Richardson, Cukurova University, Turkey

The Analysis of ConductedEMI Emissions from Class E ZVS Resonant 420

Inverter for Induction Cooking Using Impedance ApproachT. Warit, V. Kinnares, W. Khan-ngern, King Mongkut's Institute of Technology,Thailand, S. Nitta, Tokyo University ofAgriculture and Technology, Japan

Design of a Flyback Type Switch-Mode Power Supply for Television 426

Applications with a 0.5W Stand-By Power ConsumptionM.S. Goksu, I. Alan, Ege University, Turkey

The Performance Analysis of a Tight Current Regulated Standalone Three 431

Phase Low Frequency Bus Operating form a Matrix Converter

K. Yumbul, 1 Alan, Ege University, Turkey

XX

PLENARY SESSION

Friday, 29 June 2001 9.00-10.30

Chair: Prof. Dr. T. Kutman

Soft-Switched Power Conversion for Motor Drives

B.K. Bose, The University ofTennessee, USA

Disc Type Motors for Light Electric Vehicles'

S. Wiak, Technical University of Lodz, Poland

New Methods of Production for a.c. Armatures

A.G. Jack, University ofNewcastle upon Tyne, UK

XXI

Session 5A : Induction Machine Control I

Friday, 29 June 200110.45-12.30

Chair: Prof. Dr. A. Consoli

Flexible Model Reference Adaptive Speed Control for Induction Motor Drives 460

K.S. Al-Olimat, Ohio Northern University, A. A. Ghandakly, Toledo University,USA

Induction Motor Speed Observation and Control Based on Neural Networks 466

S.A. Attia, M.A. Denai, M. Bouhamida, USTO Faculty of Electrical Engineering,Algeria

Performance Improvement in Speed Control of a DC Motor by a New 472

Adaptive Fuzzy Sliding Mode Controller

S. Tokat, Pamukkale University, t. Eksin, M. Guzelkaya, Istanbul Technical

University, Turkey

Rigorous Direct Torque Control Method for Induction Motor Drive 478

S.A.Zaid, O.A. Mahgoub, K. El-Metwally, S.E. Abo-Shady, Cairo University,Egypt

Stochastic Methods for Speed Sensorless Induction Motor Control 484

D. Fodor, J. Vass, Zs. Juhasz, University ofVeszprem, K. Biro, Technical

University of Cluj, Hungary

Evaluation of a Simple Integration Algorithm for Flux Estimation 491

H. Can, E. Akin, Firat University, Elazig, Turkey, H.B. Ertan, M. Akin, Middle

East Technical University and TUBITAK-Bilten Information Technologies andElectronics Research Institute, Turkey

XXII

Session 5B : Losses I

Friday, 29 June 200110.45-12.30

Chair: Prof. Dr. Emin Tacer

Eddy Current Losses Produced by PWM Power Supplies in Electric Machines 497

A. Ruderman, Intel Israel Ltd, R. Rabinovici, Ben-Gurion University ofThe

Negev, Israel

The Use of the Launching Method for Determination of the Synchronous 503

Machine Losses

O. Draganescu, University of Craiova, Romania

Operational Test Examination of the Thermal Condition of the T.G. Type 507

TVV-200-2A to Prove the Effect of the Modernization on Cooling SystemT.B. Paspalovski, D.D. Hristovski, Electric Power Company of Macedonia, D.D.

Hristovski, Electrical University, Macedonia

The Influence of Stray No-Load on Induction Motor Efficiency 513

K. Dabala, Electrotechnical Institute, Poland

Effect of the Location of Losses on the Temperature Distribution and the 518

Efficiency of Electric Machines

J. Mukosiej, Instytut Electrotechniki, Poland

XXIII

Session 5C : Power Electronics III

Friday, 29 June 200110.45-12.30

Chair: Asst. Prof. Dr. Timur Aydemir

A Multiphase DC/DC Converter for Automotive Dual Voltage Power Systems 524

A, Consoli, G. Scarcella, M. Cacciato, University of Catania, G. Giannetto, C.

Parisi, A. Testa, University ofMessina, Italy

A New Topology Supply for Single-Phase Fractional Induction Motor 529

A.L.N. Junior, A.C.C. Lyra, University of Campinas, Brazil

Study of the Power MOSFET Degradation 535

N. Guenifi, F. Djahli, University of Ferhat Abbas, Algeria

Simple ZVS for Soft Switching VSI 540

O.A. Mahgoub, Cairo University, Egypt

XXTV

Session 6A : Identification & Testing II

Friday, 29 June 2001 14.00-15.45

Chair: Prof. Dr. L. Rodrigues

Control Device of Electrical Machines Insulation Parameters of Ship Power 544

SystemsY. Greivulis, A. Gasparian, A. Terebkov, Riga Technical University, Latvia

On-Line Fault Diagnosis in Large Synchronous Generator by Parameter 546

Identification

H. Mirabedini, A.M. Ranjbar, A. Zolfaghari, Niroo Research Institute, Iran.

The Influence of Bearing Currents on Raceways Bearings Conditions in 552

Induction Motors Supplied from PWM Inverters

Z. Krzemien, Electrotechnical Institute, Poland

Induction Motor Load Effect Diagnostic by Instantaneous Power Spectrum 556

M. Drif, N. Benouzza, A. Bendiabdellah, University of Science and Technology of

Oran (U.S.T.O.), Algeria, J.A. Dente, Instituto Superior Tecnico, Portugal

Rotor Time Constant Estimation in Indirect Vector Controlled Motor Drives 562

C. Mastorocostas, Technological Educational Institute of Thessaloniki, Greece

Fault Analysis & Diagnostics of IFOC Induction Motor Drive 567

E. Bassily, M. Hallouda, Cairo University, Egypt

XXV

Session 6B : Losses II

Friday, 29 June 200114.00-15.45

Chair: Prof. Dr. J. Tegopoulos

Induction Motor Heating Analysis in Electrical Drives under Heavy 573

Operational Conditions

D. Hristovski, Electrical Power Company ofMacedonia,S. Mircevski,, D.

Hristovski, Sts. Cyril and Methodius University, Macedonia

The Power Losses in the Core of an Induction Motor Supplied from the PWM 577

Inverter

J. Anuszczyk, Z. Gmyrek, Lodz Technical University, Poland

Localized Flux Density and Loss Measurements under PWM Excitation in a 581

Typical Stator Core

N. Tutkun, O. Telli, Zonguldak Karaelmas University, R. Demirci, Abant izzet

Baysal University, Turkey.

A Comparison ofPWM Characteristics for Induction Motor Drives Based on 584

Harmonic Loss Factor

S. Khomfoi, V. Kinnares, P. Viriya, King Mongkut's Institute of Technology,Thailand

Loss Reduction in Indirect Vector Controlled Drives 590

C. Mastorocostas, Technological Educational Institute of Thessaloniki, Greece

XXVI

Session 6C : Field Solution

Friday, 29 June 200114.00-15.45

Chair: Prof. Dr. E. Santini

Electromagnetic Analysis of a Bi-Directional Slotless Multiphase Planar 596

Actuator

A.F. Flores Filho, A. A. Susin, Federal University of Rio Grande do Sul, Brazil, M.A. da Silveira, Lutheran University of Brazil, R. Demirci, Abant Izzet BaysalUniversity, Turkey

Anisotropic and Isotropic Finite Element Formulations of 3D Magnetostatic 602

Axisymmetric Devices

C. Lemos Antunes, A. Paulo Coimbra, University of Coimbra, Portugal

Numerical Analysis of a Die Press Model for Ferrite Micromachine Poles 607

Using Software AgentsI. Munteanu, D. loan, C. Ciobotaru, Politehnica University ofBucharest, Romania

Error Estimation in the Numerical Analysis of a Nonlinear Inductor 613

F. Ciuprina, G. Ciuprina, D. loan, Politehnica University of Bucharest, Romania

Steady-State Analysis of Electric Motors Synchronous Type Based on 3D FEM 617

Data

M. Cundev, L. Petkovska, St. Cyril&Methodius University, Macedonia

A Comparison Between 2D and 3D FEM Models of Axial Flux Slotless PM 622

Machines

V. Callea, S. Elia, G. Remigi, E. Santini, Universita degli Studi di Roma "La

Sapienza", Italy

A Design Tool Combining Utilizing Numerical Field Solution and Analytical 628

Design and Optimization TechniquesH.B. Ertan, E. Bizkevelci, B. Avenoglu, Middle East Technical University and

TUBITAK-Bilten Information Technologies and Electronics Research Institute,Turkey

XXVII

Session 7A : Induction Machine Control II

Friday, 29 June 200116.00-17.45

Chair: Prof. Dr. T. Lipo

Distributed Control of a Galvanizing Line Using an Advanced Fieldbus 634

E. §ele, D. Sonmez, Control Techniques, T. Kutman, Istanbul Technical University,Turkey

A Novel Real-Time Environment for Electrical Drive Controllers Testing 640

F.Castelli-Dezza, M. Mauri, Politecnico di Milano, Italy

Fuzzy Logic Scalar Control for Induction Machine Drive: Comparison with 646

Classical Control

F. Betin, A. Faqir, D. Pinchon, G.A. Capolino, Institut Universitaire de Technologiede l'Aisne, D. Depernet, P. Floczek, V. Lanfranchi, C. Goeldel, Faculte des

Sciences Exactes et Naturelles, France

Fuzzy Control of PWM Inverters 652

H. Ardam, A. Turkmen, Baskent University, 1 Coskun, Gazi University, Turkey

XXVIII

Session 7B : Linear & Reluctance Machines

Friday, 29 June 200116.00-17.45

Chair: Prof. Dr. R. Colyer

Accurate Design of Axial Flux PM Synchronous Machines 367

V. Callea, E. Santini, P. Sordi, Universita di Roma "La Sapienza", Italy

New Electric Reluctance Motor with Bulk Superconducting Materials on the 656

Rotor

A. Leao Rodrigues, New University of Lisbon, Portugal

Implementing of a Low-Cost Stepping Motor Controller 661

C. Constantinescu, University of Craiova, Romania

Torque Ripple of Switched Reluctance Machine in Voltage Control Mode 665

S. Giingor, Istanbul Technical University, Turkey, M. Stiebler, Techische

Universitat Berlin, Germany

The Potential of Linear Synchronous Drives for Vertical Transportation 668

SystemsM. Platen, G. Henneberger, Aachen Institute of Technology, Germany

AC Linear Induction Motor with Frequency Control 673

M. Khawatmi, Univerity of Pisa, Italy

XXIX