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    IEEE Electric Equipment and for the Evaluation of Electrical Insulation.pdf

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    IEEE Electric Equipment and for the Evaluation of Electrical Insulation.pdf

    1、The Institute of Electrical and Electronics Engineers, Inc.3 Park Avenue, New York, NY 10016-5997, USACopyright 2005 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 SH94898PD

    2、F: ISBN 0-7381-2717-5 SS94898No 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 (R2005)(Revision of IEEE Std 1-1986)IEEE Recommended PracticeGeneral Principles for Temperatur

    3、e Limits in the Rating of Electrical Equipment and for the Evaluation of Electrical InsulationSponsorIEEE Standards Coordinating Committee 4, Insulation Systemsof theIEEE Power Engineering SocietyReaffirmed 22 September 2005Approved 7 December 2000IEEE-SA Standards BoardAbstract: This recommended pr

    4、actice is intended to serve in the preparation of standards that areprincipally concerned with the thermal endurance of EIM and simple combinations of suchmaterials, with the establishment of limiting temperatures of EIS, and with the provision of generalprinciples for thermal classification of EIS.

    5、Keywords: aging factors, EIM, EIS, electrical insulating material, electrical insulating system,electrical properties, electrical stress, environmental stress, factor of influence, hottest-spot temper-ature, mechanical properties, mechanical stress, observable temperature rise, relative temperaturei

    6、ndex, temperature index, temperature limits, thermal aging, thermal evaluation, voltage stressIEEE Standardsdocuments are developed within the IEEE Societies and the Standards Coordinating Committees of theIEEE Standards Association (IEEE-SA) Standards Board. The IEEE develops its standards through

    7、a consensus develop-ment process, approved by the American National Standards Institute, which brings together volunteers representing variedviewpoints and interests to achieve the final product. Volunteers are not necessarily members of the Institute and serve with-out compensation. While the IEEE

    8、administers the process and establishes rules to promote fairness in the consensus devel-opment process, the IEEE does not independently evaluate, test, or verify the accuracy of any of the information containedin its standards.Use of an IEEE Standard is wholly voluntary. The IEEE disclaims liabilit

    9、y for any personal injury, property or other dam-age, of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resultingfrom the publication, use of, or reliance upon this, or any other IEEE Standard document.The IEEE does not warrant or represent t

    10、he accuracy or content of the material contained herein, and expressly disclaimsany express or implied warranty, including any implied warranty of merchantability or fitness for a specific purpose, or thatthe use of the material contained herein is free from patent infringement. IEEE Standards docum

    11、ents are supplied “AS IS.”The existence of an IEEE Standard does not imply that there are no other ways to produce, test, measure, purchase, market,or provide other goods and services related to the scope of the IEEE Standard. Furthermore, the viewpoint expressed at thetime a standard is approved an

    12、d issued is subject to change brought about through developments in the state of the art andcomments received from users of the standard. Every IEEE Standard is subjected to review at least every five years for revi-sion or reaffirmation. When a document is more than five years old and has not been

    13、reaffirmed, it is reasonable to concludethat its contents, although still of some value, do not wholly reflect the present state of the art. Users are cautioned to checkto determine that they have the latest edition of any IEEE Standard.In publishing and making this document available, the IEEE is n

    14、ot suggesting or rendering professional or other servicesfor, or on behalf of, any person or entity. Nor is the IEEE undertaking to perform any duty owed by any other person orentity to another. Any person utilizing this, and any other IEEE Standards document, should rely upon the advice of a com-pe

    15、tent professional in determining the exercise of reasonable care in any given circumstances.Interpretations: Occasionally questions may arise regarding the meaning of portions of standards as they relate to specificapplications. When the need for interpretations is brought to the attention of IEEE,

    16、the Institute will initiate action to prepareappropriate responses. Since IEEE Standards represent a consensus of concerned interests, it is important to ensure that anyinterpretation has also received the concurrence of a balance of interests. For this reason, IEEE and the members of its soci-eties

    17、 and Standards Coordinating Committees are not able to provide an instant response to interpretation requests except inthose cases where the matter has previously received formal consideration. Comments for revision of IEEE Standards are welcome from any interested party, regardless of membership af

    18、filiation withIEEE. Suggestions for changes in documents should be in the form of a proposed change of text, together with appropriatesupporting comments. Comments on standards and requests for interpretations should be addressed to:Secretary, IEEE-SA Standards Board445 Hoes LaneP.O. Box 1331Piscata

    19、way, NJ 08855-1331USAIEEE is the sole entity that may authorize the use of certification marks, trademarks, or other designations to indicate com-pliance with the materials set forth herein.Authorization to photocopy portions of any individual standard for internal or personal use is granted by the

    20、Institute ofElectrical and Electronics Engineers, Inc., provided that the appropriate fee is paid to Copyright Clearance Center. Toarrange for payment of licensing fee, please contact Copyright Clearance Center, Customer Service, 222 Rosewood Drive,Danvers, MA 01923 USA; (978) 750-8400. Permission t

    21、o photocopy portions of any individual standard for educationalclassroom use can also be obtained through the Copyright Clearance Center.Note: Attention is called to the possibility that implementation of this standard may require use of subject mat-ter covered by patent rights. By publication of th

    22、is standard, no position is taken with respect to the existence orvalidity of any patent rights in connection therewith. The IEEE shall not be responsible for identifying patentsfor which a license may be required by an IEEE standard or for conducting inquiries into the legal validity orscope of tho

    23、se patents that are brought to its attention.Copyright 2001 IEEE. All rights reserved.iiiIntroduction(This introduction is not a part of IEEE Std 1-2000, IEEE Recommended PracticeGeneral Principles for TemperatureLimits in the Rating of Electrical Equipment and for the Evaluation of Electrical Insul

    24、ation.)There is general agreement from experience that a number of service stresses influence the service life ofelectrical insulation in electric equipment. The purpose of IEEE Std 1-2000 is to provide guidance for thepreparation of thermal-aging test procedures to determine the temperature index (

    25、TI) of electrical insulatingmaterials (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 thepredominant verb used in the text, “should.”b)

    26、 The table of thermal classification, now Table 3, was modified to include both numerical and letterdesignations and all currently recognized temperature classes.c) The multifactor testing portion of Clause 8 has been deleted because it is beyond the scope of thisrecommended practice, which covers t

    27、emperature limits.This revision has been made with the intent of harmonization with IEC 60085-1984, Thermal evaluation andclassification of electrical insulation, and IEC 60505-1999, Evaluation and qualification of electrical insula-tion systems. This work was done by a working group of IEEE Standar

    28、ds Coordinating Committee 4(SCC4), Insulation Systems. The members of the SCC4 working group are also technical experts of IEC TC98, 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 the following memb

    29、ership:Paulette A. Payne,ChairpersonAt the time this document was approved, the IEEE SCC4 had the following membership:Paulette A. Payne,ChairpersonR. J. Mayschak,SecretaryThe following members of the balloting committee voted on this standard:Robert J. Mayschak Stephen J. Watson Richard F. Weddleto

    30、nE. A. BoulterGeorge I. DuncanS. L. DyrnesA. IversenK. N. MathesE. J. VanvoorenLoren B. WagenaarStephen J. WatsonRichard F. WeddletonM. WinkelerE. A. BoulterJerry L. CorkranGeorge I. DuncanAlan M. IversenTim D. LewisT. V. OommenPaulette A. PayneWilliam R. SimpsonLoren B. WagenaarRichard F. Weddleton

    31、ivCopyright 2001 IEEE. All rights reserved.When the IEEE-SA Standards Board approved this recommended practice on 7 December 2000, it had thefollowing membership:Donald N. Heirman,ChairJames T. Carlo,Vice ChairJudith Gorman,Secretary*Member EmeritusAlso included are the following nonvoting IEEE-SA S

    32、tandards Board liaisons:Alan Cookson, NIST RepresentativeDonald R. Volzka, TAB RepresentativeCatherine BergerIEEE Standards Project EditorSatish K. AggarwalMark D. BowmanGary R. EngmannHarold E. EpsteinH. Landis FloydJay Forster*Howard M. FrazierRuben D. GarzonJames H. GurneyRichard J. HollemanLowel

    33、l G. JohnsonRobert J. KennellyJoseph L. Koepfinger*Peter H. LipsL. Bruce McClungDaleep C. MohlaJames W. MooreRobert F. MunznerRonald C. PetersenGerald H. PetersonJohn B. PoseyGary S. RobinsonAkio TojoDonald W. ZipseCopyright 2001 IEEE. All rights reserved.vContents1. Overview. 11.1 Scope. 11.2 Purpo

    34、se. 22. References. 23. Definitions. 23.1 General definitions. 23.2 Definitions related to electric equipment. 33.3 Definitions related to the evaluation of thermal capability. 44. General concepts. 54.1 Temperature measurement. 54.2 Additional aging factors. 54.3 Limits of temperature. 65. Basic co

    35、nsiderations in the preparation of standards. 75.1 Service experience . 75.2 General principles for temperature limits .85.3 Purpose of life testing . 86. Evaluation of the thermal capability of EIM . 86.1 Thermal aging . 96.2 TI and relative temperature index (RTI) of an EIM . 106.3 Determination o

    36、f TI for EIM by test.116.4 Determination of material TI by experience. 127. Limiting temperatures and their measurement for EIS. 127.1 Derivation of temperature rise . 127.2 Methods of temperature determination. 157.3 Effects of altitude. 168. Thermal evaluation of EIS. 178.1 Temperature classificat

    37、ion of EIS. 178.2 EIS classes . 188.3 Thermal evaluation test procedures for EIS. 18Annex A (informative) Illustration of thermal endurance graph, TI, RTI, and HIC . 21Annex B (informative) Bibliography. 23Copyright 2001 IEEE. All rights reserved.1IEEE Recommended PracticeGeneral Principles for Temp

    38、erature Limits in the Rating of Electrical Equipment and for the Evaluation of Electrical Insulation1. OverviewThese principles are intended to serve in the preparation of IEEE and other standards that deal with theselection of temperature limits and the measurement of temperature for specific types

    39、 of electric equipment.They include an outline of the fundamental considerations and a review of the elements to be considered inapplying the principles to specific cases.1.1 ScopeGuiding principles are included for the development of test procedures for Thermal evaluation of electrical insulating materials (EIM) Thermal evaluation of electrical insulation systems (EIS) Thermal classification1of EIS for rating ele


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