IEEE-43-2000-R2006.pdf
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1、Recognized as an American National Standard (ANSI) The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2000 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 24 March 2000. Printed in the United
2、 States of America. Print: ISBN 0-7381-1924-5 SH94806 PDF: ISBN 0-7381-1925-3 SS94806 No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written per- mission of the publisher. IEEE Std 43-2000(R2006) (Revision of IEEE Std 43-1
3、974) IEEE Recommended Practice for Testing Insulation Resistance of Rotating Machinery Sponsor Electric Machinery Committee of the IEEE Power Engineering Society Approved 12 October 2000 American National Standards Institute Reaffirmed 30 March 2006 Approved 6 March 2000 IEEE-SA Standards Board Abst
4、ract: This document describes the recommended procedure for measuring insulation resistance of armature and field windings in rotating machines rated 1 hp, 750 W or greater. It applies to synchronous machines, induction machines, dc machines, and synchronous condensers. Contained within this documen
5、tis the general theory of insulation resistance (IR) and polarization index (P.I.), as well as factors affectingthe results,test procedures, methods of interpretation, test limitations, and recommended minimum values. Keywords: absorption current, conduction current, discharge current, geometric cap
6、acitive current, insulation resistance, polarization index, surface leakage current IEEE Standards documents are developed within the IEEE Societies and the Standards Coordinating Com- mittees of the IEEE Standards Association (IEEE-SA) Standards Board. Members of the committees serve voluntarily an
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19、hts reserved. iii Introduction (This introduction is not part of IEEE Std 43-2000, IEEE Recommended Practice for Testing Insulation Resistance of Rotating Machinery.) Insulation resistance measurement has been recommended and used for more than half a century to evaluate the condition of electrical
20、insulation. Whereas individual insulation resistance measurements may be of questionable value, the carefully maintained record of periodic measurements, accumulated over months and years of service, is of unquestioned value as a measure of some aspects of the condition of the electrical insulation.
21、 Originally, in 1950, this recommended practice was published by the AIEE as a guide to present the various facets associated with the measurement and understanding of electrical insulation resistance. The guide was revised in 1961 and again in 1974. During the 1970s, several changes were made to th
22、e types of insulation used in electric rotating machines. The insulation resistance characteristics of these newer insula- tion systems are different from the older systems, and therefore required this substantial revision to the stan- dard for measuring insulation resistance. Other changes include
23、the addition of further description of the testing theory and the removal of suggestions regarding maintenance dry-out procedures for older windings (previously Annex A). Recommendations for maintenance procedures are beyond the scope of this docu- ment. With this publication as a recommended practi
24、ce, the IEEE is presenting and recommending electrical insulation resistance measurement as an important factor in monitoring the condition of electrical insulation in rotating machinery. This recommended practice describes the theory, procedure, and interpretation of the insulation resistance test.
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