1、 IEC 60034-15Edition 3.0 2009-03INTERNATIONAL STANDARD NORME INTERNATIONALERotating electrical machines Part 15: Impulse voltage withstand levels of form-wound stator coils for rotating a.c. machines Machines lectriques tournantes Partie 15: Niveaux de tenue au choc lectrique des bobines de stator p
2、rformes des machines tournantes courant alternatif IEC60034-15:2009 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or me
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16、cation ou si vous avez des questions, visitez le FAQ du Service clients ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 60034-15Edition 3.0 2009-03INTERNATIONAL STANDARD NORME INTERNATIONALERotating electrical machines Part 15: Impulse voltage withstand levels of
17、form-wound stator coils for rotating a.c. machines Machines lectriques tournantes Partie 15: Niveaux de tenue au choc lectrique des bobines de stator prformes des machines tournantes courant alternatif INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE MICS 29.160 P
18、RICE CODECODE PRIXISBN 2-8318-1033-0 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 60034-15 IEC:2009 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Terms and definitions .6 3 Impulse voltage withstand levels 6 4
19、Sample tests 7 4.1 General .7 4.2 Impulse voltage withstand test of the interturn insulation .7 4.3 Lightning impulse voltage withstand test of the main insulation .8 4.4 Power-frequency voltage withstand test 8 5 Routine tests 8 5.1 Coils8 5.2 Complete stators .8 Annex A (informative) Principles in
20、volved in the specification of impulse voltage withstand levels and test procedures 9 Annex B (informative) Testing details.10 Bibliography12 Figure B.1 Example of the test circuit for sample tests .10 Figure B.2 Example of the test circuit for routine tests .11 Figure B.3 Examples of the waveforms
21、from undamaged and short-circuited coils tested directly connected in the stator core .11 Table 1 Impulse voltage withstand levels for sample form-wound coils used in a.c. rotating machines .7 60034-15 IEC:2009 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ROTATING ELECTRICAL MACHINES Part 15: Impul
22、se voltage withstand levels of form-wound stator coils for rotating a.c. machines 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 pro
23、mote international co-operation on all questions concerning standardization 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
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25、o participate in this preparation. IEC collaborates closely with the International 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 possi
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27、le all reasonable efforts are made to ensure that the technical content of 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
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29、cate its approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including
30、 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 publication, use of, or reliance
31、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 possibility that some of the elemen
32、ts 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 60034-15 has been prepared by IEC technical committee 2: Rotating machinery. This third edition cancels and replaces the second
33、edition published in 1995 and constitutes a technical revision. The principal technical changes are as follows. Change of title to clarify that it is form-wound coils that are being tested rather than machines. Removal of the limitation on voltage in the Scope. Additional definitions for consistency
34、 with IEC 60060-1. Reduction in tolerances for the risetime of the steep-fronted impulse voltage. Guidance on test levels for coils to be used in converter driven machines. Guidance on voltage levels for routine tests. Additional figures to show testing details and oscillograms of normal and faulty
35、coils. 4 60034-15 IEC:2009 The text of this standard is based on the following documents: FDIS Report on voting 2/1534/FDIS 2/1547/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted
36、 in accordance with the ISO/IEC Directives, Part 2. NOTE A table of cross-references of all IEC TC 2 publications can be found on the IEC TC 2 dashboard on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicat
37、ed on the IEC web site under “http:/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. 60034-15 IEC:2009 5 INTRODUCTION IEC 60071-1 specifies general requirements for the phase to
38、earth insulation of equipment in three phase a.c. systems and states that each apparatus committee is responsible for specifying the insulation levels and test procedures for its equipment, taking into consideration the recommendations of IEC 60071-1. The object of IEC 60034-15 is to specify require
39、ments for rotating electrical machines. Experience has shown that the values given in this standard meet the insulation requirements for the essential stresses in service. An explanation of the principles adopted in preparing these requirements is given in Annex A. This standard is not intended for
40、soft-start machines. 6 60034-15 IEC:2009 ROTATING ELECTRICAL MACHINES Part 15: Impulse voltage withstand levels of form-wound stator coils for rotating a.c. machines 1 Scope This part of IEC 60034 relates to a.c. machines incorporating form-wound stator coils. It specifies the test procedures and vo
41、ltages to be applied to the main and interturn insulation of sample coils. 2 Terms and definitions For the purposes of this document the following terms and definitions apply. 2.1 sample test test carried out on coils in new condition which adequately represent the configuration of the finished item
42、 to be used in the machine for the purpose of evaluating the manufacturing procedures and processes incorporated in the insulation system 2.2 routine test test carried out on all coils of the machine 2.3 form-wound stator coil coil which is preformed to shape, insulated and substantially completed b
43、efore insertion into the stator 2.4 front time T1time for the impulse voltage to rise from 0 % to 100 % of the peak value and defined as 1,67 times the interval between the instants when the impulse is 30 % and 90 % of the peak value 2.5 time-to-half value T2 interval between the origin and the inst
44、ant when the voltage has decreased to half the peak value 3 Impulse voltage withstand levels Impulse voltage withstand levels for specific rated voltages shall be calculated in accordance with the formula given in Note 2 of Table 1. Table 1 gives the impulse voltage withstand levels for some common
45、rated voltages rounded to the nearest whole number. The test levels for converter-fed machines depend upon how the rated voltage has been assigned by the manufacturer. It may be appropriate to increase the test levels by a factor to allow for the maximum overshoot which is likely to arise on the vol
46、tage at the machine terminals, as described in IEC 60034-18-42. This factor may be as high as 1,7 for a 3-level converter but lower if there are more levels. 60034-15 IEC:2009 7 Table 1 Impulse voltage withstand levels for sample form-wound coils used in a.c. rotating machines Rated voltage Rated li
47、ghtning-impulse voltage withstand (peak) (see Notes 1 and 2) Rated steep-front-impulse voltage withstand (peak) (see Notes 3 and 4) UNUPUPkV kV kV 2,3 3 3,3 4 6 6,6 10 11 13,2 13,8 15 14 17 18 21 29 31 45 49 58 60 65 9 11 12 14 19 20 29 32 38 39 42 NOTE 1 The levels in Column 2 are based on a standa
48、rd lightning impulse having a front time of 1,2 s 30 %, a time-to-half-value of 50 s 20 % and a peak value of the impulse voltage Up3 % as specified in IEC 60060-1. NOTE 2 The levels in Column 2 are obtained by using the formula: UP= 4 UN+ 5 kV. NOTE 3 The levels in Column 3 are based on an impulse
49、having a front time of 0,2 0,1 s up to 35 kV. Above 35 kV, the front time is 0,2 s with a tolerance of +0,3 s/0,1 s. NOTE 4 The levels in Column 3 are obtained by application of the formula: UP= 0,65 UP.NOTE 5 The levels in Column 3 have been deemed appropriate for stresses related to circuit breaker operation that could occur in service. They may not be adequate for special oper
