1、 IEC 60172 Edition 4.0 2015-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Test procedure for the determination of the temperature index of enamelled and tape wrapped winding wires Mthode dessai pour la dtermination de lindice de temprature des fils de bobinage maills et envelopps de ruban IEC 60172
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19、lients - webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60172 Edition 4.0 2015-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Test procedure for the determination of the temperature index of enamelled
20、 and tape wrapped winding wires Mthode dessai pour la dtermination de lindice de temprature des fils de bobinage maills et envelopps de ruban INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 29.060.10 ISBN 978-2-8322-2676-6 Registered trademark of the Internat
21、ional Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colour inside 2 IEC 6
22、0172:2015 IEC 2015 CONTENTS FOREWORD . 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
23、 and enamelled or tape wrapped rectangular 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 Calc
24、ulations 16 8.1 Specimen failure time . 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
25、 Bibliography 26 Figure 1 Device used 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 1
26、1 Figure 7 Forming jig and test specimen 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 twi
27、sts for specimens . 8 Table 2 Proof voltage for round enamelled wire . 10 Table 3 Recommended exposure times in days per cycle. 15 IEC 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
28、 degrees Celsius and the corresponding kelvins with its reciprocal and reciprocal squared values 21 Table A.2 Sample calculation . 22 4 IEC 60172:2015 IEC 2015 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ TEST PROCEDURE FOR THE DETERMINATION OF THE TEMPERATURE INDEX OF ENAMELLED AND TAPE WRAPPED WIND
29、ING 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 standardizat
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38、 the 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 t
39、he possibility 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
40、cancels 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 appropri
41、ate 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
42、 Table 3 and Table 4; Revision of figures with high-resolution photos and graphs. IEC 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 be found in t
43、he 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:/webstore.iec
44、.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 be useful f
45、or the correct understanding of its contents. Users should therefore print this document using a colour printer. 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 Standard specifies, in accor
46、dance 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 changes in response to AC proof vo
47、ltage 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 wire for further evaluation o
48、f 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 references, the latest edition of th
49、e 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: Instructions for calculating thermal endurance characteristics 3 Terms and definitions For the purposes of this d
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