IEC 62271-204-2011 High-voltage switchgear and controlgear - Part 204 Rigid gas-insulated transmission lines for rated voltage above 52 kV《高压开关设备和控制设备.第204部分 额定电压高于52 kV的刚性气体绝缘输电线路 n n》.pdf

1、 IEC 62271-204 Edition 1.0 2011-07 INTERNATIONAL STANDARD NORME INTERNATIONALE High-voltage switchgear and controlgear Part 204: Rigid gas-insulated transmission lines for rated voltage above 52 kV Appareillage haute tension Partie 204: Lignes de transport rigides isolation gazeuse de tension assign

2、e suprieure 52 kV IEC 62271-204:2011 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2011 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 mechanical, including photocopyin

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16、tions, 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 62271-204 Edition 1.0 2011-07 INTERNATIONAL STANDARD NORME INTERNATIONALE High-voltage switchgear and controlgear Part 204: Rigid gas-insulated transmission lines for rated vo

17、ltage above 52 kV Appareillage haute tension Partie 204: Lignes de transport rigides isolation gazeuse de tension assigne suprieure 52 kV INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XA ICS 29.130.10 PRICE CODE CODE PRIX ISBN 978-2-88912-604-0 Registered trade

18、mark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 62271-204 IEC:2011 CONTENTS FOREWORD . 5 1 General 7 1.1 Scope 7 1.2 Normative references 7 2 Normal and special service conditions . 8 2.101 Installation in open air . 8 2.102 Burie

19、d installation . 9 2.103 Installation in tunnel, shaft or similar situation . 9 3 Terms and definitions . 9 4 Ratings . 11 4.1 Rated voltage (U r ) . 11 4.2 Rated insulation level . 11 4.3 Rated frequency (f r ) . 11 4.4 Rated normal current and temperature rise 11 4.5 Rated short-time withstand cur

20、rent (I k ) 12 4.6 Rated peak withstand current (I p ) 12 4.7 Rated duration of short circuit (t k ) 12 4.8 Rated supply voltage of closing and opening devices and of auxiliary and control circuits (U a ) . 12 4.9 Rated supply frequency of closing and opening devices and of auxiliary circuits 12 4.1

21、0 Rated pressure of compressed gas supply for controlled pressure systems 13 4.11 Rated filling levels for insulation and/or operation . 13 5 Design and construction 13 5.1 Requirements for liquids in GIL 13 5.2 Requirements for gases in GIL . 13 5.3 Earthing . 13 5.4 Auxiliary and control equipment

22、 . 14 5.5 Dependent power operation . 14 5.6 Stored energy operation . 14 5.7 Independent manual or power operation (independent unlatched operation) . 14 5.8 Operation of releases 14 5.9 Low- and high-pressure interlocking and monitoring devices 14 5.10 Nameplates . 15 5.11 Interlocking devices . 1

23、5 5.12 Position indication 16 5.13 Degree of protection provided by enclosures 16 5.14 Creepage distances for outdoor insulators . 16 5.15 Gas and vacuum tightness . 16 5.16 Liquid tightness . 17 5.17 Fire hazard (flammability) 17 5.18 Electromagnetic compatibility (EMC) 17 5.19 X-ray emission . 17

24、5.20 Corrosion 17 5.101 Internal fault . 18 5.102 Enclosures 19 62271-204 IEC:2011 3 5.103 Partitions and partitioning 20 5.104 Sections of a GIL system 21 5.105 Pressure relief 21 5.106 Compensation of thermal expansion 22 5.107 External vibration 22 5.108 Supporting structures for non-buried GIL .

25、 22 6 Type tests . 23 6.1 General . 23 6.2 Dielectric tests . 24 6.3 Radio interference voltage (r.i.v.) test 26 6.4 Measurement of the resistance of circuits 26 6.5 Temperature-rise tests. 26 6.6 Short-time withstand current and peak withstand current tests 26 6.7 Verification of the protection 27

26、6.8 Tightness tests 27 6.9 Electromagnetic compatibility tests (EMC) 28 6.10 Additional test on auxiliary and control circuits . 28 6.11 X-radiation test procedure for vacuum interrupters . 28 6.101 Proof tests for enclosures . 28 6.102 Destructive pressure tests . 28 6.103 Anti-corrosion tests for

27、buried installation 28 6.104 Special mechanical test on sliding contacts . 29 6.105 Test under conditions of arcing due to internal fault . 30 6.106 Weatherproofing test 31 7 Routine tests 31 7.1 Dielectric tests on the main circuits 31 7.2 Dielectric tests on auxiliary and control circuits 31 7.3 M

28、easurement of the resistance of the main circuit 31 7.4 Tightness test 31 7.5 Design and visual checks. 31 7.101 Partial discharge measurement . 31 7.102 Pressure tests of factory made enclosures 32 8 Guide to the selection of GIL . 32 8.101 Short time overload capability . 32 8.102 Forced cooling 3

29、2 9 Information to be given with enquiries, tenders and orders 32 9.101 Information with enquiries and orders 32 9.102 Information with tenders and contract documentation 34 10 Transport, storage, installation, operation and maintenance 35 10.1 Conditions during transport, storage and installation 3

30、5 10.2 Installation . 35 10.3 Operation 36 10.4 Maintenance 40 11 Safety . 40 11.1 Precautions by manufacturers 41 11.2 Precautions by users . 41 11.3 Electrical aspects 41 4 62271-204 IEC:2011 11.4 Mechanical aspects . 41 11.5 Thermal aspects 41 11.101 Maintenance aspects 41 12 Influence of the pro

31、duct on the environment 42 Annex A (informative) Estimation of continuous current 43 Annex B (informative) Earthing . 48 Annex C (normative) Long-term testing of buried installations . 52 Bibliography 54 Figure B.1 Example of earthing system together with active anti-corrosion system in the case of

32、solid bonding of the enclosure at both ends . 51 Table 1 Second characteristic numeral of IP coding 16 62271-204 IEC:2011 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR Part 204: Rigid gas-insulated transmission lines for rated voltage above 52 kV FOREWORD 1) T

33、he 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 electrical a

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43、e 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 62271-204 has been prepared by subcommittee 17C: High-voltage switchgear and controlgear assemblies, of IEC techn

44、ical committee 17: Switchgear and con- trolgear. This standard cancels and replaces IEC/TS 61640:1998. It is a technical revision. This edition includes the following significant technical changes with respect to the previous edition: update to be in line with IEC 62271-1:2007 and 62271-203 and alig

45、nment of the voltage ratings and the test voltages; addition of new information for gas tightness and corrosion protection. 6 62271-204 IEC:2011 The text of this standard is based on the following documents: FDIS Report on voting 17C/510/FDIS 17C/520/RVD Full information on the voting for the approv

46、al of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. This International Standard should be read in conjunction with IEC 62271-1:2007, to which it refers and which is applicable unle

47、ss otherwise specified. In order to simplify the indication of corresponding requirements, the same numbering of clauses and subclauses is used as in IEC 62271-1. Amendments to these clauses and subclauses are given under the same numbering, whilst additional subclauses, are numbered from 101. It sh

48、ould also be read in conjunction with IEC 62271-203. 1A list of all parts of the IEC 62271 series can be found, under the general title High-voltage switchgear and controlgear, on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stabili

49、ty 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. _ 1To be published. 62271-204 IEC:2011 7 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR Part 204: Rigid gas-insulated transmission lines for rated voltage above 52 kV 1 General 1.1 Scope This