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1、 The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2001 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 30 April 2001. Printed in the United States of America. Print: ISBN 0-7381-2716-7 SH94
2、898 PDF: ISBN 0-7381-2717-5 SS94898 No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. IEEE Std 1-2000 (Revision of IEEE Std 1-1986) IEEE Recommended Practice General Principles for Tempera
3、ture Limits in the Rating of Electrical Equipment and for the Evaluation of Electrical Insulation Sponsor IEEE Standards Coordinating Committee 4, Insulation Systems of the IEEE Power Engineering Society Approved 7 December 2000 IEEE-SA Standards Board Abstract: This recommended practice is intended
4、 to serve in the preparation of standards that are principally concerned with the thermal endurance of EIM and simple combinations of such materials, with the establishment of limiting temperatures of EIS, and with the provision of general principles for thermal classifi cation of EIS. Keywords: agi
5、ng factors, EIM, EIS, electrical insulating material, electrical insulating system, electrical properties, electrical stress, environmental stress, factor of infl uence, hottest-spot temper- ature, mechanical properties, mechanical stress, observable temperature rise, relative temperature index, tem
6、perature index, temperature limits, thermal aging, thermal evaluation, voltage stress Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 03:08:05 MDTNo reproduction
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24、validity or scope of those patents that are brought to its attention. Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 03:08:05 MDTNo reproduction or networking p
25、ermitted without license from IHS -,-,- Copyright 2001 IEEE. All rights reserved. iii Introduction (This introduction is not a part of IEEE Std 1-2000, IEEE Recommended PracticeGeneral Principles for Temperature Limits in the Rating of Electrical Equipment and for the Evaluation of Electrical Insula
26、tion.) There is general agreement from experience that a number of service stresses infl uence the service life of electrical insulation in electric equipment. The purpose of IEEE Std 1-2000 is to provide guidance for the preparation of thermal-aging test procedures to determine the temperature inde
27、x (TI) of electrical insulating materials (EIM) and the thermal class of electrical insulation systems (EIS). The main changes from IEEE Std 1-1986 are as follows: a)The title was changed from a “Standard” to a “Recommended Practice” to be consistent with the predominant verb used in the text, “shou
28、ld.” b) The table of thermal classifi cation, now Table 3, was modifi ed to include both numerical and letter designations and all currently recognized temperature classes. c)The multifactor testing portion of Clause 8 has been deleted because it is beyond the scope of this recommended practice, whi
29、ch covers temperature limits. This revision has been made with the intent of harmonization with IEC 60085-1984, Thermal evaluation and classifi cation of electrical insulation, and IEC 60505-1999, Evaluation and qualifi cation of electrical insula- tion systems. This work was done by a working group
30、 of IEEE Standards Coordinating Committee 4 (SCC4), Insulation Systems. The members of the SCC4 working group are also technical experts of IEC TC 98, Electrical Insulation Systems. TC 98 plans to draft a revision to IEC 60085-1984. At the time this revision was completed, the SCC4 working group had
31、 the following membership: Paulette A. Payne, Chairperson At the time this document was approved, the IEEE SCC4 had the following membership: Paulette A. Payne, Chairperson R. J. Mayschak, Secretary The following members of the balloting committee voted on this standard: Robert J. MayschakStephen J.
32、 WatsonRichard F. Weddleton E. A. Boulter George I. Duncan S. L. Dyrnes A. Iversen K. N. Mathes E. J. Vanvooren Loren B. Wagenaar Stephen J. Watson Richard F. Weddleton M. Winkeler E. A. Boulter Jerry L. Corkran George I. Duncan Alan M. Iversen Tim D. Lewis T. V. Oommen Paulette A. Payne William R.
33、Simpson Loren B. Wagenaar Richard F. Weddleton Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 03:08:05 MDTNo reproduction or networking permitted without licens
34、e from IHS -,-,- iv Copyright 2001 IEEE. All rights reserved. When the IEEE-SA Standards Board approved this recommended practice on 7 December 2000, it had the following membership: Donald N. Heirman, Chair James T. Carlo, Vice Chair Judith Gorman, Secretary *Member Emeritus Also included are the f
35、ollowing nonvoting IEEE-SA Standards Board liaisons: Alan Cookson, NIST Representative Donald R. Volzka, TAB Representative Catherine Berger IEEE Standards Project Editor Satish K. Aggarwal Mark D. Bowman Gary R. Engmann Harold E. Epstein H. Landis Floyd Jay Forster* Howard M. Frazier Ruben D. Garzo
36、n James H. Gurney Richard J. Holleman Lowell G. Johnson Robert J. Kennelly Joseph L. Koepfi nger* Peter H. Lips L. Bruce McClung Daleep C. Mohla James W. Moore Robert F. Munzner Ronald C. Petersen Gerald H. Peterson John B. Posey Gary S. Robinson Akio Tojo Donald W. Zipse Copyright The Institute of
37、Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 03:08:05 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright 2001 IEEE. All rights reserved. v Contents 1.Ov
38、erview 1 1.1 Scope 1 1.2 Purpose. 2 2.References 2 3.Definitions 2 3.1 General definitions. 2 3.2 Definitions related to electric equipment. 3 3.3 Definitions related to the evaluation of thermal capability 4 4.General concepts 5 4.1 Temperature measurement. 5 4.2 Additional aging factors. 5 4.3 Lim
39、its of temperature. 6 5.Basic considerations in the preparation of standards. 7 5.1 Service experience. 7 5.2 General principles for temperature limits 8 5.3 Purpose of life testing 8 6.Evaluation of the thermal capability of EIM . 8 6.1 Thermal aging 9 6.2 TI and relative temperature index (RTI) of
40、 an EIM 10 6.3 Determination of TI for EIM by test 11 6.4 Determination of material TI by experience 12 7.Limiting temperatures and their measurement for EIS 12 7.1 Derivation of temperature rise. 12 7.2 Methods of temperature determination 15 7.3 Effects of altitude. 16 8.Thermal evaluation of EIS.
41、 17 8.1 Temperature classification of EIS 17 8.2 EIS classes . 18 8.3 Thermal evaluation test procedures for EIS. 18 Annex A (informative) Illustration of thermal endurance graph, TI, RTI, and HIC 21 Annex B (informative) Bibliography. 23 Copyright The Institute of Electrical and Electronics Enginee
42、rs, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 03:08:05 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under
43、 license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 03:08:05 MDTNo reproduction or networking permitted without license from IHS -,-,- This page is intentionally blank. Copyright 2001 IEEE. All rights reserved. 1 IEEE Recommended Practice General Principle
44、s for Temperature Limits in the Rating of Electrical Equipment and for the Evaluation of Electrical Insulation 1. Overview These principles are intended to serve in the preparation of IEEE and other standards that deal with the selection of temperature limits and the measurement of temperature for s
45、pecifi c types of electric equipment. They include an outline of the fundamental considerations and a review of the elements to be considered in applying the principles to specifi c cases. 1.1 Scope Guiding principles are included for the development of test procedures for Thermal evaluation of elec
46、trical insulating materials (EIM) Thermal evaluation of electrical insulation systems (EIS) Thermal classifi cation 1 of EIS for rating electric equipment The principles are presented in the following order: Clause 4, General concepts Clause 6, Evaluation of the thermal capability of EIM Clause 7, L
47、imiting temperatures and their measurement for EIS Clause 8, Thermal evaluation of EIS In the application of these principles, variations are necessary to suit the widely different types of equipment and service conditions that are considered in equipment standards. When specifi c equipment, IEEE, o
48、r other 1 Historically, the term thermal classifi cation has been used in reference to both insulation systems and to electric equipment. Therefore, for clarity, thermal classifi cation should always be used in combination with the word system or equipment , for example, Class 155 System. Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 03:08:05 MDTNo reproduction or networking permitted without license from IHS -,-,- IEEE