1、High-voltage switchgear and controlgear Part 105:Alternating current switch-fuse combinationsReference numberIEC 62271-105:2002(E)INTERNATIONALSTANDARDIEC62271-105First edition2002-08This English-language version is derived from the originalbilingual publication by leaving out all French-languagepag
2、es.Missing page numbers correspond to the French-language pages.Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editions The IEC is now publishing consolidated vers
3、ions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.Further information on IEC publications The technical content of IEC publications i
4、s kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating to this publication,including its validity,is available in the IEC Catalogue of publications(see below)in addition to new editions,amendments and corrigenda.Information on the subj
5、ects under consideration and work in progress undertaken by the technical committee which has prepared this publication,as well as the list of publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publications The on-line catalogue on the IEC web site(www.
6、iec.ch/searchpub)enables you to search by a variety of criteria including text searches,technical committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summary of rece
7、ntly issued publications(www.iec.ch/online_news/justpub)is also available by email.Please contact the Customer Service Centre(see below)for further information.Customer Service Centre If you have any questions regarding this publication or need further assistance,please contact the Customer Service
8、Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 High-voltage switchgear and controlgear Part 105:Alternating current switch-fuse combinationsFor price,see current catalogue IEC 2002 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any fo
9、rm or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch
10、Web:www.iec.chINTERNATIONALSTANDARDIEC62271-105First edition2002-08XCommission Electrotechnique InternationaleInternational Electrotechnical Commission PRICE CODE62271-105 IEC:2002 3 CONTENTSFOREWORD.71General.131.1Scope.131.2Normative references.152Normal and special service conditions.153Definitio
11、ns.153.1General terms.153.2Assemblies.153.3Parts of assemblies.153.4Switching devices.173.5Parts of switching devices.173.6Operation.173.7Characteristic quantities.193.8Fuses.234Ratings.254.1Rated voltage(Ur).254.2Rated insulation level.254.3Rated frequency(fr).254.4Rated normal current and temperat
12、ure-rise.254.5Rated short-time withstand current(Ik).254.6Rated peak withstand current(Ip).254.7Rated duration of short circuit(tk).274.8Rated supply voltage of closing and opening devices and auxiliary circuits(Ua).274.9Rated supply frequency of closing and opening devices and of auxiliary circuits
13、.274.10 Rated pressure of compressed gas supply for operation.275Design and construction.295.1Requirements for liquids in switch-fuse combinations.295.2Requirements for gases in switch-fuse combinations.295.3Earthing of switch-fuse combinations.295.4Auxiliary equipment.295.5Dependent power operation
14、.295.6Stored energy operation.295.7Independent manual operation.295.8Operation of releases.295.9Low-and high pressure interlocking devices.315.10 Nameplates.315.11 Interlocking devices.315.12 Position indication.335.13 Degrees of protection by enclosures.335.14 Creepage distances.335.15 Gas and vacu
15、um tightness.335.16 Liquid tightness.335.17 Flammability.335.18 Electromagnetic compatibility(EMC).3362271-105 IEC:2002 5 6Type tests.356.1General.356.2Dielectric tests.376.3Radio interference voltage(RIV)tests.376.4Measurement of the resistance of the main circuit.376.5Temperature-rise tests.376.6S
16、hort-time withstand current and peak withstand current tests.376.7Verification of the protection.376.8Tightness tests.396.9Electromagnetic compatibility tests(EMC).397Routine tests.598Guide for the selection of switch-fuse combinations for transformer protection.619Information to be given with enquiries,tenders and orders.6510Rules for transport,storage,installation,operation and maintenance.6711Safety.67Annex A(informative)Example of the coordination of fuses,switch and transformer.69Annex B(no
