IEC 62271-207-2012 High-voltage switchgear and controlgear - Part 207 Seismic qualification for gas-insulated switchgear assemblies for rated voltages above 52 .pdf

1、 IEC 62271-207 Edition 2.0 2012-04 INTERNATIONAL STANDARD NORME INTERNATIONALE High-voltage switchgear and controlgear Part 207: Seismic qualification for gas-insulated switchgear assemblies for rated voltages above 52 kV Appareillage haute tension Partie 207: Qualification sismique pour ensembles d

2、appareillages isolation gazeuse pour des niveaux de tension assigne suprieurs 52 kV IEC 62271-207:2012 colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2012 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utili

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16、ion ou si vous avez des questions contactez-nous: csciec.ch. IEC 62271-207 Edition 2.0 2012-04 INTERNATIONAL STANDARD NORME INTERNATIONALE High-voltage switchgear and controlgear Part 207: Seismic qualification for gas-insulated switchgear assemblies for rated voltages above 52 kV Appareillage haute

17、 tension Partie 207: Qualification sismique pour ensembles dappareillages isolation gazeuse pour des niveaux de tension assigne suprieurs 52 kV INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE R ICS 29.130.10 PRICE CODE CODE PRIX ISBN 978-2-88912-060-4 Registered

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19、gr. colour inside 2 62271-207 IEC:2012 CONTENTS FOREWORD . 3 1 Scope . 5 2 Normative references . 5 3 Terms and definitions . 5 4 Seismic qualification requirements . 6 4.1 General . 6 4.2 Qualification levels 6 5 Test procedures for qualification . 6 5.1 General . 6 5.2 Mounting . 7 5.3 Measurement

20、s . 7 5.4 Frequency range . 7 5.5 Test severity . 7 5.5.1 General . 7 5.5.2 Parameters for time-history excitation 9 5.5.3 Test directions . 9 5.5.4 Test sequence . 9 6 Qualification by combined test and numerical analysis . 10 6.1 General . 10 6.2 Dynamic and functional data . 11 6.3 Numerical anal

21、ysis 11 6.3.1 General . 11 6.3.2 Numerical analysis by the acceleration time-history method 11 6.3.3 Modal and spectrum analysis using the required response spectrum (RRS) 11 6.3.4 Static coefficient analysis 12 7 Evaluation of the seismic qualification 12 7.1 Combination of stresses 12 7.2 Acceptan

22、ce criteria for the seismic waveform 13 7.3 Functional evaluation of the test results 13 7.4 Allowable stresses 13 8 Documentation . 13 8.1 Information for seismic qualification. 13 8.2 Test report 14 8.3 Analysis report 14 Annex A (normative) Characterisation of the test-set . 15 Annex B (informati

23、ve) Criteria for seismic adequacy of gas-insulated metal-enclosed switchgear 17 Bibliography 19 Figure 1 Required response spectrum (RRS) for qualification level moderate 8 Figure 2 Required response spectrum (RRS) for qualification level high 9 Figure A.1 Monogram for the determination of equivalen

24、t damping ratio 16 Table 1 Seismic qualification levels for switchgear assemblies Horizontal severities . 6 62271-207 IEC:2012 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR Part 207: Seismic qualification for gas-insulated switchgear assemblies for rated volta

25、ges above 52 kV 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 standa

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33、ors, employees, 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

34、out of 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 draw

35、n to the 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 62271-207 has been prepared by subcommittee 17C: High-voltage switchgear and control

36、gear assemblies, of IEC technical committee 17: Switchgear and controlgear. This second edition of IEC 62271-207 cancels and replaces the first edition published in 2007. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previo

37、us edition: modification of the minimum voltage rating from 72,5 kV to above 52 kV; harmonisation of qualification procedures for GIS with IEEE 693:2005 Annex A and P by modifying the response spectra; modification of the test procedures; addition of criteria of allowed stresses; 4 62271-207 IEC:201

38、2 addition of dynamic analysis CQC. The text of this standard is based on the following documents: FDIS Report on voting 17C/542/FDIS 17C/549/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 b

39、een drafted in accordance with the ISO/IEC Directives, Part 2. A list of all the parts in the IEC 62271 series, under the general title High-voltage switchgear and controlgear, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged unti

40、l the stability date indicated 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. IMPORTANT The colour inside logo on the cover page of this public

41、ation indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. 62271-207 IEC:2012 5 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR Part 207: Seismic qualification for gas-insulated

42、switchgear assemblies for rated voltages above 52 kV 1 Scope This part of IEC 62271 applies to gas-insulated switchgear assemblies for alternating current of rated voltages above 52 kV for indoor and outdoor installations, including their supporting structure. For switchgear devices, e.g. live tank

43、circuit breakers, IEC/TR 62271-300 is applicable. Guidance on interactions between the supporting structure and the soil / foundations is provided in Annex B. The seismic qualification of the switchgear assemblies takes into account testing of typical switchgear assemblies combined with methods of a

44、nalysis. Mutual interaction between directly mounted auxiliary and control equipment and switchgear assemblies are covered. The seismic qualification of switchgear assemblies is only performed upon request. 2 Normative references The following documents, in whole or in part, are normatively referenc

45、ed 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. IEC 60068-2-47, Environmental testing Part 2-47: Tests Mounting of specimens

46、for vibration, impact and similar dynamic tests IEC 60068-2-57, Environmental testing Part 2-57: Tests Test Ff: Vibration Time-history method IEC 60068-3-3:1991, Environmental testing Part 3: Guidance Seismic test methods for equipments IEC 62271-1, High-voltage switchgear and controlgear Part 1: Co

47、mmon specifications IEC 62271-203, High-voltage switchgear and controlgear Part 203: Gas-insulated metal- enclosed switchgear for rated voltages above 52 kV 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60068-3-3, IEC 62271-203 and IEC 62271-1 appl

48、y. 6 62271-207 IEC:2012 4 Seismic qualification requirements 4.1 General The seismic qualification shall demonstrate the ability of the switchgear assemblies to withstand seismic stress. It may be proofed by test or by a combination of test and analysis. No failure on the enclosure and the main circ

49、uits as well as on the control and auxiliary circuit, including the relevant supporting structures, shall occur. For ductile material, minor permanent deformations are acceptable provided that they do not impair the functionality of the equipment. The equipment shall properly operate after the seismic event as defined in 7.2 and 7.3. 4.2 Qualification levels The qualification has to be done on one