IEC-TS-62271-304-2008.pdf
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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
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