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1、 IEC/TS 62271-304 Edition 1.0 2008-05 TECHNICAL SPECIFICATION SPCIFICATION TECHNIQUE High-voltage switchgear and controlgear Part 304: Design classes for indoor enclosed switchgear and controlgear for rated voltages above 1 kV up to and including 52 kV to be used in severe climatic conditions Appare
2、illage haute tension Partie 304: Classes de construction pour lappareillage dintrieur sous enveloppe pour tensions assignes partir de 1 kV jusqu 52 kV inclus pour usage sous conditions climatiques svres IEC/TS 62271-304:2008 Copyright International Electrotechnical Commission Provided by IHS under l
3、icense with IECLicensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 03:18:10 MDTNo reproduction or networking permitted without license from IHS -,-,- THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this
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18、ission Provided by IHS under license with IECLicensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 03:18:10 MDTNo reproduction or networking permitted without license from IHS -,-,- IEC/TS 62271-304 Edition 1.0 2008-05 TECHNICAL SPECIFICATION SPCIFICATION TECHNIQUE High-voltage switchgear and con
19、trolgear Part 304: Design classes for indoor enclosed switchgear and controlgear for rated voltages above 1 kV up to and including 52 kV to be used in severe climatic conditions Appareillage haute tension Partie 304: Classes de construction pour lappareillage dintrieur sous enveloppe pour tensions a
20、ssignes partir de 1 kV jusqu 52 kV inclus pour usage sous conditions climatiques svres INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE P ICS 29.130.10 PRICE CODE CODE PRIX ISBN 2-8318-9828-5 Copyright International Electrotechnical Commission Provided by IHS unde
21、r license with IECLicensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 03:18:10 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 TS 62271-304 IEC:2008 CONTENTS FOREWORD.3 1 Scope and object5 2 Normative references .5 3 Degrees of severity of service conditions under co
22、ndensation and pollution .6 4 Classification of enclosed switchgear and controlgear 7 5 Classification procedure .7 6 Test facilities and associated requirements 9 6.1 Climatic test room .9 6.2 Control requirements.9 6.3 Energizing facilities .9 7 Selection and arrangement of the equipment for test9
23、 7.1 Selection of the equipment 9 7.2 Arrangement of the equipment 9 8 Ageing test.10 8.1 Level 1 ageing test10 8.2 Level 2 ageing test11 9 Diagnostic procedure after ageing test .11 9.1 General.11 9.2 Electrical diagnostic procedure12 9.3 Mechanical diagnostic procedure (optional).13 9.4 Evaluation
24、 .13 Annex A (normative) Climatic cycle14 Annex B (normative) Climatic test room .15 Annex C (informative) Example of typical environment.16 Figure 1 Flow chart for classification procedure .8 Figure 2 Level 1 ageing test.11 Figure 3 Power-frequency withstand voltage test with high humidity after ag
25、eing test 12 Figure B.1 Climatic test room.15 Table C.1 Example of typical environment .16 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 03:18:10 MDTNo reproduction or networking permitted without li
26、cense from IHS -,-,- TS 62271-304 IEC:2008 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR Part 304: Design classes for indoor enclosed switchgear and controlgear for rated voltages above 1 kV up to and including 52 kV to be used in severe climatic conditions FO
27、REWORD 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 in the e
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36、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 elements of this IEC Publication may be the subject of patent rights. IEC shall not be he
37、ld responsible for identifying any or all such patent rights. The main task of IEC technical committees is to prepare International Standards. In exceptional circumstances, a technical committee may propose the publication of a technical specification when the required support cannot be obtained for
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39、ithin three years of publication to decide whether they can be transformed into International Standards. IEC 62771-304, which is a technical specification, has been prepared by subcommittee 17C: High-voltage switchgear and controlgear assemblies, of IEC technical committee 17: Switchgear and control
40、gear. Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 03:18:10 MDTNo reproduction or networking permitted without license from IHS -,-,- 4 TS 62271-304 IEC:2008 The text of this technical specification
41、 is based on the following documents: Enquiry draft Report on voting 17C/402/DTS 17C/422A/RVC Full information on the voting for the approval of this technical specification can be found in the report on voting indicated in the above table. This first edition of IEC/TS 62271-304 cancels and replaces
42、 the first edition of IEC/TR 60932, published in 1988, and constitutes a technical revision. This revised document has been basically changed to be updated to todays use of high- voltage switchgear and controlgear up to 52 kV. This publication has been drafted in accordance with the ISO/IEC Directiv
43、es, 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 until the maintenance result date indicated on the IEC
44、web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be transformed into an International standard, reconfirmed, withdrawn, replaced by a revised edition, or amended. Copyright International Electrotechnical Commission Provided by
45、 IHS under license with IECLicensee=Boeing Co/5910770001 Not for Resale, 07/25/2008 03:18:10 MDTNo reproduction or networking permitted without license from IHS -,-,- TS 62271-304 IEC:2008 5 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR Part 304: Design classes for indoor enclosed switchgear and controlge
46、ar for rated voltages above 1 kV up to and including 52 kV to be used in severe climatic conditions 1 Scope and object This part of IEC 62271 applies to indoor enclosed switchgear and controlgear complying with IEC 62271-200 and IEC 62271-201, intended to be used in service conditions more severe wi
47、th respect to condensation and pollution than the normal service conditions specified in IEC 62271-1. This technical specification covers equipment where any of the insulation is exposed to indoor climatic conditions. The test detailed in this technical specification has been designed primarily to i
48、nvestigate the behaviour of electrical insulation and not corrosion on equipments. Nevertheless, the performance of mechanical components, such as mechanisms, interlocks and enclosures may also be recorded. This technical specification proposes definitions for two degrees of severe service conditions with respect to condensation and pollution. It also proposes test procedures for assessing the performance of enclosed switchgear and co