IEC_60694ed2.2en-d.pdf

Common specifications for high-voltageswitchgear and controlgear standardsINTERNATIONALSTANDARDIEC60694Edition 2.22002-01Reference numberIEC 60694:1996+A1:2000+A2:2001(E)Edition 2:1996 consolidated with amendments 1:2000 and 2:2001This English-language version is derived from the originalbilingual publication by leaving out all French-languagepages.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 versions 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 is 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 subjects 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.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committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summary of recently issued publications(www.iec.ch/online_news/justpub)is also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 Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 Common specifications for high-voltageswitchgear and controlgear standardsFor price,see current catalogue IEC 2002 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form 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 Web:www.iec.chINTERNATIONALSTANDARDIEC60694Edition 2.22002-01XECommission Electrotechnique InternationaleInternational Electrotechnical Commission PRICE CODEEdition 2:1996 consolidated with amendments 1:2000 and 2:200160694 IEC:1996+A1:2000+A2:2001 3 CONTENTSFOREWORD.91General.131.1Scope.131.2Normative references.132Normal and special service conditions.232.1Normal service conditions.252.2Special service conditions.273Definitions.293.1General terms.293.2Assemblies of switchgear and controlgear.333.3Parts of assemblies.353.4Switching devices.353.5Parts of switchgear and controlgear.353.6Operation.453.7Characteristic quantities.513.8Index of definitions.514Ratings.554.1Rated voltage(Ur).554.2Rated insulation level.574.3Rated frequency(fr).654.4Rated normal current and temperature rise.654.5Rated short-time withstand current(Ik).714.6Rated peak withstand current(Ip).714.7Rated duration of short circuit(tk).714.8Rated supply voltage of closing and opening devices and of auxiliaryand control circuits(Ua).714.9Rated supply frequency of closing and opening devices and of auxiliary circuits.754.10 Rated pressure of compressed gas supply for insulation and/or operation.755Design and construction.755.1Requirements for liquids in switchgear and controlgear.755.2Requirements for gases in switchgear and controlgear.775.3Earthing of switchgear and controlgear.775.4Auxiliary and control equipment.775.5Dependent power operation.995.6Stored energy operation.1015.7Independent manual operation.1035.8Operation of releases.1035.9Low-and high-pressure interlocking and monitoring devices.1035.10 Nameplates.1055.11 Interlocking devices.1075.12 Position indication.1075.13 Degrees of protection by enclosures.1075.14 Creepage distances.11160694 IEC:1996+A1:2000+A2:2001 5 5.15 Gas and vacuum tightness.1115.16 Liquid tightness.1135.17 Flammability.1135.18 Electromagnetic compatibility(EMC).1156Type tests.1156.1General.1156.2Dielectric tests.1196.3Radio interference voltage(r.i.v.)test.1336.4Measurement of the resistance of circuits.1376.5Temperature-rise tests.1396.6Short-time withstand current and peak withstand current tests.1456.7Verification of the protection.1496.8Tightness tests.1516.9Electromagnetic compatibility tests(EMC).1556.10 Additional tests on a