Electrical Machines and Drives
Electric Motors and Drives
This Page Intentionally Left Blank
Electric Motors and Drives
Fundamentals, Types and Applications
Third edition
Austin Hughes
Senior Fellow, School of Electronic and Electrical Engineering, University of Leeds
AMSTERDAM • BOSTON • HEIDELBERG • LONDON • NEW YORK • OXFORD PARIS • SAN DIEGO • SAN FRANCISCO • SINGAPORE • SYDNEY • TOKYO
Newnes is an imprint of Elsevier
Newnes is an imprint of Elsevier Linacre House, Jordan Hill, Oxford OX2 8DP 30 Corporate Drive, Suite 400, Burlington, MA 01803 First edition 1990 Second edition 1993 Third edition 2006 Copyright ß 1990, 1993, 2006, Austin Hughes. Published by Elsevier Ltd. All rights reserved The right of Austin Hughes to be identified as the author of this work has been asserted in accordance with the Copyright, Designs and Patents Act 1988. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, mechanical, photocopying, recording or otherwise without the prior written permission of the publisher Permissions may be sought directly from Elsevier’s Science & Technology Rights Department in Oxford, UK: phone (+44) (0) 1865 843830; fax (+44) (0) 1865 853333; email: permissions@elsevier.com. Alternatively you can submit your request online by visiting the Elsevier web site at http:// elsevier.com/locate/permissions, and selecting Obtaining permission to use Elsevier material British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library Library of Congress Cataloguing in Publication Data A catalogue record for this book is available from the Library of Congress ISBN-13: 978-0-7506-4718-2 ISBN-10: 0-7506-4718-3 For information on all Newnes publications visit our website at http://books.elsevier.com/ Printed and bound in Great Britain 06 07 08 09 10 10 9 8 7 6 5 4 3 2 1
CONTENTS
Preface
xvi
1 ELECTRIC MOTORS
Introduction Producing
This Page Intentionally Left Blank
Electric Motors and Drives
Fundamentals, Types and Applications
Third edition
Austin Hughes
Senior Fellow, School of Electronic and Electrical Engineering, University of Leeds
AMSTERDAM • BOSTON • HEIDELBERG • LONDON • NEW YORK • OXFORD PARIS • SAN DIEGO • SAN FRANCISCO • SINGAPORE • SYDNEY • TOKYO
Newnes is an imprint of Elsevier
Newnes is an imprint of Elsevier Linacre House, Jordan Hill, Oxford OX2 8DP 30 Corporate Drive, Suite 400, Burlington, MA 01803 First edition 1990 Second edition 1993 Third edition 2006 Copyright ß 1990, 1993, 2006, Austin Hughes. Published by Elsevier Ltd. All rights reserved The right of Austin Hughes to be identified as the author of this work has been asserted in accordance with the Copyright, Designs and Patents Act 1988. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, mechanical, photocopying, recording or otherwise without the prior written permission of the publisher Permissions may be sought directly from Elsevier’s Science & Technology Rights Department in Oxford, UK: phone (+44) (0) 1865 843830; fax (+44) (0) 1865 853333; email: permissions@elsevier.com. Alternatively you can submit your request online by visiting the Elsevier web site at http:// elsevier.com/locate/permissions, and selecting Obtaining permission to use Elsevier material British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library Library of Congress Cataloguing in Publication Data A catalogue record for this book is available from the Library of Congress ISBN-13: 978-0-7506-4718-2 ISBN-10: 0-7506-4718-3 For information on all Newnes publications visit our website at http://books.elsevier.com/ Printed and bound in Great Britain 06 07 08 09 10 10 9 8 7 6 5 4 3 2 1
CONTENTS
Preface
xvi
1 ELECTRIC MOTORS
Introduction Producing