1、Validite de la presente publicationValidity of this publicationLe contenu technique des publications de la CEl est consThe technical content of IEC publications is kept undertamment revu par la CEl afin quil reflete letat actuel deconstant review by the IEC,thus ensuring that the contentla technique
2、.reflects current technologyDes renseignements relatifs a la date de reconfirmation deInformation relating to the date of the reconfirmation of thela publication sont disponibles aupres du Bureau Central depublication is available from the IEC Central Office.la CEl.Les renseignements relatifs a ces
3、revisions,a letablis-Information on the revision work,the issue of revisedsement des editions revisees et aux amendements peuventeditions and amendments may be obtained from IECetre obtenus aupres des Comites nationaux de la CEl etNational Committees and from the following IECdans les documents ci-d
4、essous:sources:Bulletin de la CEIEC BulletinAnnuaire de la CElIEC YearbookPublie annuellementPublished yearlyCatalogue des publications de la CElCatalogue of IEC publicationsPublie annuellement et mis a jour regulierementPublished yearly with regular updatesTerminologieTerminologyEn ce qui conceme l
5、a terminologie generale,le lecteur seFor general terminology,readers are referred to IEC 50:reportera a la CEl 50:Vocabulaire Electrotechnique Inter-International Electrotechnical Vocabulary(IEV),which isnational(VEl),qui se presente sous forme de chapitresissued in the form of separate chapters eac
6、h dealingsepares traitant chacun dun sujet defini.Des detailswith a specific field.Full details of the IEV will becomplets sur le VEl peuvent etre obtenus sur demande.supplied on request.See also the IEC MultilingualVoir egalement le dictionnaire multilingue de la CElDictionary.Les termes et definit
7、ions figurant dans la presente publi-The terms and definitions contained in the present publi-cation ont ete soit tires du VEl,soit specifiquementcation have either been taken from the IEV or have beenapprouves aux fins de cette publication.specifically approved for the purpose of this publication.S
8、ymboles graphiques et litterauxGraphical and letter symbolsPour les symboles graphiques,les symboles litteraux et lesFor graphical symbols,and letter symbols and signssignes dusage general approuves par la CEl,le lecteurapproved by the IEC for general use,readers are referred toconsultera:publicatio
9、ns:la CEl 27:Symboles litterauxa utiliser enIEC 27:Letter symbols to be used in electricalelectro-technique;technology;la CEl 417:Symboles graphiques utilisablesIEC 417:Graphical symbols for use onsur le materiel.Index,releve et compilation desequipment.Index,survey and compilation of thefeuilles in
10、dividuelles;single sheets;la CEI 617:Symboles graphiques pour schemas;IEC 617:Graphical symbols for diagrams,et pour les appareils electromedicaux.and for medical electrical equipment,la CEl 878:Symboles graphiques pourIEC 878:Graphical symbols for electromedicalequipements electriques en pratique m
11、edicale.equipment in medical practice.Les symboles et signes contenus dans la presente publi-The symbols and signs contained in the present publicationcation ont ete soit tires de la CEl 27,de la CEI 417,de lahave either been taken from IEC 27,IEC 417,IEC 617CEl 617 et/ou de la CEI 878,soit specifiq
12、uement approuvesand/or IEC 878,or have been specifically approved for theaux fins de cette publication.purpose of this publication.Publications de la CEl etablies par leIEC publications prepared by the samememe comite detudestechnical committeeLattention du lecteur est attiree sur les listes figuran
13、t a la finThe attention of readers is drawn to the end pages of thisde cette publication,qui enumerent les publications de lapublication which list the IEC publications issued by theCEl preparees par le comite detudes qui a etabli latechnical committee which has prepared the presentpresente publicat
14、ion.publication298IEC一3CONTENTSFOREWORD,。7PREFACESECTION ONE一GENERALClause1.Scope。g,。4*”。9SECTION TWO-SERVICE CONDITIONS2.Normal and special service conditions9SECTION THREE-TERMS AND DEFINITIONS3.Definitions,.,4+4444+0”44+e。4444+4+。年，11.84e年e11SECTION FOUR-RATED CHARACTERISTICS4.Rating”44”中中卡卡”中卡卡卡
15、”中中卡中。年中中中+卡中卡”家年”下下。里里g。4年4.4。4.1Rated voltage4.2Rated insulation level14.3Rated frequency4.4Rated normal current and temperature rise,4.5Rated short-time withstand current,.,4.6Rated peak withstand current4.7Rated duration of short circuit24.8Rated supply voltage of closing and opening devices and
16、 auxiliary circuits,4.9Rated supply frequency of operating devices and auxiliary circuits224.l0 Rated pressure of compressed gas supply for operation.14.l01 Rated filling pressure(of gas-.filled compartments)SECTION FIVE-RULES FOR DESIGN AND CONSTRUCTION5.Design and construction5.1Requirements for l
17、iquids in switchgear and controlgear5.2Requirements for gases in switchgear and controlgear.:5.3232325.4Auxiliary equipment5.5Dependent power closing5.6Stored energy closing2323235.7Operation of releases5.8Low and high pressure interlocking devices255.9Nameplates.5.101 Degree of protection and inter
18、nal fault.,.,.5.102 Enclosure295.103 Partitions and shutters5.104 Pressure relief of gas-filled compartments5.105 Disconnectors and earthing switches5.106 Interlocks35.l07 Provisions for dielectric tests on cables.,SECTION SIX-RULES FOR TYPE TESTS6.Type tests396.1 Dielectric tests.6.2Radio interference voltage(RIV)tests6.3Temperature-rise tests留6.4Measurement of the resistance of the main circuit.47