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EN 60172-2015 en Test procedure for the determination of the temperature index of enamelled and tape wrapped winding wires.pdf

1、BSI Standards PublicationTest procedure for the determination of the temperature index of enamelled and tape wrapped winding wiresBS EN 60172:2015National forewordThis British Standard is the UK implementation of EN 60172:2015. It is identical to IEC 60172:2015. It supersedes BS EN 60172:1994+A2:201

2、0 whichis withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee L/-/99, Miscellaneous Standards - Electrical.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary

3、 provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 83241 3ICS 29.060.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was publ

4、ished under the authority of theStandards Policy and Strategy Committee on 31 July 2015.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60172:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60172 June 2015 ICS 29.060.10 Supersedes EN 60172:1994 English

5、Version Test procedure for the determination of the temperature index of enamelled and tape wrapped winding wires (IEC 60172:2015) Mthode dessai pour la dtermination de lindice de temprature des fils de bobinage maills et envelopps de ruban (IEC 60172:2015) Prfverfahren zur Bestimmung des Temperatur

6、index von Lackdrhten und bandumwickelten Drhten (IEC 60172:2015) This European Standard was approved by CENELEC on 2015-06-16. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national stand

7、ard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version i

8、n any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croa

9、tia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turk

10、ey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and

11、 by any means reserved worldwide for CENELEC Members. Ref. No. EN 60172:2015 E BS EN 60172:2015EN 60172:2015 2 European foreword The text of document 55/1518/FDIS, future edition 4 of IEC 60172, prepared by IEC/TC 55 “Winding wires“ was submitted to the IEC-CENELEC parallel vote and approved by CENE

12、LEC as EN 60172:2015. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2016-03-16 latest date by which the national standards conflicting with the document have to be with

13、drawn (dow) 2018-06-16 This document supersedes EN 60172:1994. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The

14、text of the International Standard IEC 60172:2015 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60317 (series) NOTE Harmonized as EN 60317 (series). IEC 60455-3

15、-5 NOTE Harmonized as EN 60455-3-5. IEC 60464-3-2 NOTE Harmonized as EN 60464-3-2. BS EN 60172:2015EN 60172:2015 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively refe

16、renced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modi

17、fications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60216-1 - Electrical insulating materials - Thermal endurance proper

18、ties - Part 1: Ageing procedures and evaluation of test results EN 60216-1 - IEC 60216-3 - Electrical insulating materials - Thermal endurance properties - Part 3: Instructions for calculating thermal endurance characteristics EN 60216-3 - BS EN 60172:2015 2 IEC 60172:2015 IEC 2015 CONTENTS FOREWORD

19、 . 4 1 Scope 6 2 Normative references 6 3 Terms and definitions 6 4 Summary of procedure 7 5 Test specimens . 7 5.1 Preparation . 7 5.1.1 Enamelled round wire with a nominal conductor diameter of 0,224 mm up to and including 2,65 mm 7 5.1.2 Tape wrapped round wire and enamelled or tape wrapped recta

20、ngular wire . 10 5.2 Varnish impregnation 12 5.3 Notes on number of test specimens 13 5.4 Specimen holder 13 5.4.1 For specimens according to 5.1.1 13 5.4.2 For specimens according to 5.1.2 14 6 Temperature exposure. 14 7 Test voltage and its application 16 8 Calculations 16 8.1 Specimen failure tim

21、e . 16 8.2 Time to failure . 17 8.3 Linearity of data 17 8.4 Calculating and plotting thermal endurance and temperature index . 17 9 Report . 18 Annex A (normative) Method for calculation of the regression line . 19 Annex B (normative) Correlation coefficient . 24 Bibliography 26 Figure 1 Device use

22、d to form enamelled round wire test specimen 8 Figure 2 Spacer . 8 Figure 3 Twist forming jig . 9 Figure 4 Test specimen set up in forming jig 9 Figure 5 Test specimen formed with loop cut . 10 Figure 6 Jig for bending large magnet wire, dielectric test specimen 11 Figure 7 Forming jig and test spec

23、imen 12 Figure 8 Specimen holder 13 Figure 9 Specimen holder and electrical connection fixture 14 Figure 10 Thermal endurance graph Temperature index . 18 Figure A.1 Plot of regression line based on sample calculation (Table A.2) 23 Table 1 Force and number of twists for specimens . 8 Table 2 Proof

24、voltage for round enamelled wire . 10 Table 3 Recommended exposure times in days per cycle. 15 BS EN 60172:2015IEC 60172:2015 IEC 2015 3 Table 4 Proof voltage for tape-wrapped round and for enamelled or tape-wrapped rectangular wire 16 Table A.1 Commonly used test temperatures in degrees Celsius and

25、 the corresponding kelvins with its reciprocal and reciprocal squared values 21 Table A.2 Sample calculation . 22 BS EN 60172:2015 4 IEC 60172:2015 IEC 2015 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ TEST PROCEDURE FOR THE DETERMINATION OF THE TEMPERATURE INDEX OF ENAMELLED AND TAPE WRAPPED WINDING

26、 WIRES FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization

27、 in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entr

28、usted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the Intern

29、ational Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since e

30、ach technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of

31、IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in t

32、heir national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity asses

33、sment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, emplo

34、yees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the

35、 publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the p

36、ossibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60172 has been prepared by IEC Technical Committee 55: Winding wires. This fourth edition canc

37、els and replaces the third edition published in 1987, Amendment 1:1997 and Amendment 2:2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: Revision of Clause 1, Scope, to incorporate appropriate

38、text from former Clause 2, Object; Deletion of Clause 2, Object, by placement of its text into existing clauses; New Clause 2, Normative references; Revision of 5.1.1, 5.3 and 5.4 with corrections to Amendment 2 to the third edition; Revision of Clause 7 as to clarify which specimens comply with Tab

39、le 3 and Table 4; Revision of figures with high-resolution photos and graphs. BS EN 60172:2015IEC 60172:2015 IEC 2015 5 The text of this standard is based on the following documents: FDIS Report on voting 55/1518/FDIS 55/1524/RVD Full information on the voting for the approval of this standard can b

40、e found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC website under “http:/

41、webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. IMPORTANT The colour inside logo on the cover page of this publication indicates that it contains colours which are considered to

42、 be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. BS EN 60172:2015 6 IEC 60172:2015 IEC 2015 TEST PROCEDURE FOR THE DETERMINATION OF THE TEMPERATURE INDEX OF ENAMELLED AND TAPE WRAPPED WINDING WIRES 1 Scope This International

43、 Standard specifies, in accordance with the provisions of IEC 60216-1, a method for evaluating the temperature index of enamelled wire, varnished or unvarnished with an impregnating agent, and of tape wrapped round and rectangular wire, in air at atmospheric pressure by periodically monitoring chang

44、es in response to AC proof voltage tests. This procedure does not apply to fibre-insulated wire or wire covered with tapes containing inorganic fibres. NOTE The data obtained according to this test procedure provide the designer and development engineer with information for the selection of winding

45、wire for further evaluation of insulation systems and equipment tests. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated referen

46、ces, the latest edition of the referenced document (including any amendments) applies. IEC 60216-1, Electrical insulating materials Thermal endurance properties Part 1: Ageing procedures and evaluation of test results IEC 60216-3, Electrical insulating materials Thermal endurance properties Part 3:

47、Instructions for calculating thermal endurance characteristics 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 temperature index TI numerical value of the Celsius temperature expressed in degrees Celsius characterizing the thermal capability

48、of an insulating material or an insulation system Note 1 to entry: In case of insulating materials, the temperature index is derived from the thermal endurance relationship at a given time, normally 20 000 hours. It may be used as basis for determination of the materials temperature class. Note 2 to

49、 entry: In case of insulation systems, the temperature index may be derived from known service experience or from a known comparative functional evaluation of an evaluated and established reference insulation system as basis. SOURCE: IEC 60050-212:2010, 212-12-11 3.2 specimen failure time number of hours at the exposure temperature that have elapsed at the time a specimen fails the proof test BS EN 60172:2015IEC 60172:2015 IEC 2015 7

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