Recent Developments of Electrical Drives Best papers from the Intern

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Recent Developments of Electrical Drives Best papers from the International Conference on Electrical Machines ICEM’04

Edited by

S. Wiak, M. Dems, and K. Komeza ˛ Technical University of Lodz, Poland

A C.I.P. Catalogue record for this book is available from the Library of Congress.

ISBN-10 1-4020-4534-4 (HB) ISBN-13 978-1-4020-4534-9 (HB) ISBN-10 1-4020-4535-2 (e-book) ISBN-13 978-1-4020-4535-6 (e-book)

Published by Springer, P.O. Box 17, 3300 AA Dordrecht, The Netherlands. www.springer.com

Printed on acid-free paper

All rights reserved.  C 2006 Springer No part of this work may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, microfilming, recording or otherwise, without written permission from the Publisher, with the exception of any material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Printed in the Netherlands.

CONTENTS

Preface S. Wiak, M. Dems and K. Kom˛eza ..............................................................

ix

I. Theory and Advanced Computational Methods in Electrical Drives 1. Core Loss in Turbine Generators: Analysis of No-Load Core Loss by 3D Magnetic Field Calculation A. Nakahara, K. Takahashi, K. Ide, J. Kaneda, K. Hattori, T. Watanabe, H. Mogi, C. Kaido, E. Minematsu and K. Hanzawa .......................................

3

2. Optimised Calculation of Losses in Large Hydro-Generators Using Statistical Methods G. Traxler-Samek, A. Schwery, R. Zickermann and C. Ramirez.........................

13

3. Coupled Model for the Interior Type Permanent Magnet Synchronous Motors at Different Speeds M. P´erez-Donsi´on ...................................................................................

25

4. Dynamic Modeling of a Linear Vernier Hybrid Permanent Magnet Machine Coupled to a Wave Energy Emulator Test Rig M.A. Mueller, J. Xiang, N.J. Baker and P.R.M. Brooking .................................

39

5. Finite Element Analysis of Two PM Motors with Buried Magnets J. Kolehmainen.......................................................................................

51

6. Design Technique for Reducing the Cogging Torque in Large Surface-Mounted Magnet Motors R. Lateb, N. Takorabet, F. Meibody-Tabar, J. Enon and A. Sarribouette..............

59

7. Overlapping Mesh Model for the Analysis of Electrostatic Microactuators with Eccentric Rotor P. Rembowski and A. Pelikant....................................................................

73

8. Coupled FEM and System Simulator in the Simulation of Asynchronous Machine Drive with Direct Torque Control S. Kanerva, C. Stulz, B. Gerard, H. Burzanowska, J. J¨arvinen and S. Seman.......

83

v

vi

Contents

9. An Intuitive Approach to the Analysis of Torque Ripple in Inverter Driven Induction Motors ¨ G¨ol, G.-A. Capolino and M. Poloujadoff.................................................. O.

93

10. Vibro-Acoustic Optimization of a Permanent Magnet Synchronous Ma