IEC 62271-112-2013 High-voltage switchgear and controlgear - Part 112 Alternating current high-speed earthing switches for secondary arc extinction on transmiss.pdf

1、 IEC 62271-112 Edition 1.0 2013-08 INTERNATIONAL STANDARD NORME INTERNATIONALE High-voltage switchgear and controlgear Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines Appareillage haute tension Partie 112: Sectionneurs de terre rapides co

2、urant alternatif pour lextinction de larc secondaire sur les lignes de transport IEC62271-112:2013 colourinsideTHIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2013 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in

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16、 si vous avez des questions contactez-nous: csciec.ch. IEC 62271-112 Edition 1.0 2013-08 INTERNATIONAL STANDARD NORME INTERNATIONALE High-voltage switchgear and controlgear Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines Appareillage haut

17、e tension Partie 112: Sectionneurs de terre rapides courant alternatif pour lextinction de larc secondaire sur les lignes de transport INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE U ICS 29.130.10; 29.130.99 PRICE CODE CODE PRIX ISBN 978-2-8322-1009-3 Registere

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19、 agr. colourinside 2 62271-112 IEC:2013 CONTENTS FOREWORD . 4 1 General 6 1.1 Scope 6 1.2 Normative references 6 2 Normal and special service conditions 6 3 Terms and definitions . 6 3.1 General terms . 6 3.2 Assemblies of switchgear and controlgear . 8 3.3 Parts of assemblies . 8 3.4 Switching devi

20、ces 8 3.5 Parts of switchgear and controlgear 8 3.6 Operation 8 3.7 Characteristics quantities 8 4 Ratings . 8 5 Design and construction . 10 6 Type tests 11 7 Routine tests 14 8 Guide to the selection of HSES 14 9 Information to be given with enquiries, tenders and orders . 14 10 Rules for transpor

21、t, storage, installation, operation and maintenance . 15 11 Safety . 15 Annex A (informative) Background information on the use of HSES . 16 Annex B (informative) Induced current and voltage conditions for other cases . 21 Figure 1 Explanation of a multi-phase auto-reclosing scheme 7 Figure 2 Timing

22、 chart of HSES and circuit-breakers . 9 Figure A.1 Single-line diagram of a power system 17 Figure A.2 Timing chart of the HSESs in relation to the transmission line circuit-breakers . 17 Figure A.3 Typical timing chart showing the time between fault initiation and a successful re-close of the trans

23、mission line circuit-breakers . 18 Figure B.1 System condition to explain successive fault . 22 Figure B.2 Example of waveforms of delayed current zero phenomena 22 Figure B.3 Typical test circuit for electromagnetic coupling test-duty of a HSES with delayed current zero crossings . 24 Figure B.4 Ty

24、pical test circuit for electrostatic coupling test-duty of HSES with delayed current zero crossings . 24 Table 1 Standardized values of rated induced currents and voltages . 10 Table 2 Items to be listed on nameplate of a HSES 11 Table A.1 Comparison of earthing switches 19 Table A.2 Comparison of a

25、 four-legged reactor and HSES . 20 Table B.1 Preferred values for single-phase earth fault with delayed current zero phenomena in the presence of a successive fault . 23 62271-112 IEC:2013 3 Table B.2 Preferred values for multi-phase earth faults in a double-circuit system . 25 Table B.3 Preferred v

26、alues for covering the cases of categories 0 and 1 25 4 62271-112 IEC:2013 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines FOREWORD 1) The International E

27、lectrotechnical 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 and electronic fiel

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36、 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 elements o

37、f 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 62271-112 has been prepared by subcommittee 17A: High-voltage switchgear and controlgear, of IEC technical committee 17: Switchgear

38、and controlgear. The text of this standard is based on the following documents: FDIS Report on voting 17A/1042/FDIS 17A/1050/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 in ac

39、cordance 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 unless otherwise specified. In order to simplify the indication of 62271-112 IEC:2013 5 corresponding requirements, the same numbe

40、ring 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. A list of all parts in the IEC 62271, published under the general title High-voltage switchgear and controlgea

41、r, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until 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 reconf

42、irmed, withdrawn, replaced by a revised edition, or amended. IMPORTANT The colour inside logo on the cover page of this publication 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 c

43、olour printer. 6 62271-112 IEC:2013 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines 1 General 1.1 Scope This part of IEC 62271 applies to a.c. high-speed earthing switches designed for indoor and ou

44、tdoor installation and for operation at service frequencies of 50 Hz and 60 Hz on systems having voltages of 550 kV and above. High-speed earthing switches described in this standard are intended to extinguish the secondary arc remaining after clearing faults on transmission lines by the circuit-bre

45、akers. 1.2 Normative references The following documents, in whole or in part, are normatively referenced 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

46、any amendments) applies. IEC 62271-1:2007, High-voltage switchgear and controlgear Part 1: Common specifications IEC 62271-100:2008, High-voltage switchgear and controlgear Part 100: Alternating-current circuit-breakers IEC 62271-102:2001, High-voltage switchgear and controlgear Part 102: Alternatin

47、g current disconnectors and earthing switches IEC 62271-203:2011, High-voltage switchgear and controlgear Part 203: Gas-insulated metal-enclosed switchgear for rated voltages above 52 kV 2 Normal and special service conditions Clause 2 of IEC 62271-1:2007 is applicable. 3 Terms and definitions For t

48、he purposes of this document, the terms and definitions given in Clause 3 of IEC 62271-1:2011, as well as the following apply. 3.1 General terms 3.1.101 secondary arc arc that remains at the faulted point after interruption of the short-circuit current fed by the network Note 1 to entry: This second

49、ary arc is supplied by electrostatic or electromagnetic induction from the adjacent healthy phases. 62271-112 IEC:2013 7 3.1.102 single-phase auto-reclosing scheme auto-reclosing scheme in which a faulted phase circuit is opened and automatically re-closed independently from the other phases 3.1.103 multi-phase auto-reclosing scheme auto-reclosing scheme applied to double circuit overhead lines in w