IEC_60466ed2.0b.img.pdf

NORMECEIINTERNATIONALEIECINTERNATIONAL60466STANDARDDeuxieme editionSecond edition1987Appareillage sous enveloppe isolantepour courant alternatif de tension assigneesuprieure a 1 kV et infrieure ou gale a 38 kVA.C.insulation-enclosed switchgearand controlgear for rated voltages above 1 kVand up to and including 38 kVIECNumero de referenceReference numberCEI/IEC 60466:1987Numeros des publicationsNumberingLes publications de la CEl sont numerotees a partir deAs from the 1st January 1997 all IEC publications are60000 des le 1er janvier 1997.issued with a designation in the 60000 series.Publications consolideesConsolidated publicationsLes versions consolidees de certaines publications deConsolidated versions of some IEC publicationsla CEl incorporant amendements sont disponibles.Parincluding amendments are available.For example,exemple,les numeros dedition 1.0,1.1 et 1.2edition numbers 1.0,1.1 and 1.2 refer,respectively,toindiquent respectivement la publication de base,lathe base publication,the basepublicationpublication de base incorporant Iamendement 1,et laincorporating amendment 1 and the base publicationpublication de base incorporant les amendements 1incorporating amendments 1 and 2.et2.Validite de la presente publicationValidity of this publicationLe contenu technique des publications de la CEl estThe technical content of IEC publications is kept underconstamment revu par la CEl afin quil reflete l6tatconstant review by the IEC,thus ensuring that theactuel de la technique.content reflects current technology.Des renseignements relatifs a la datedeInformation relating to the date of the reconfirmation ofreconfirmation de la publication sont disponibles dansthe publication is avallable in the IEC catalogue.le Catalogue de la CEl.Les renseignements relatifs a ces revisions,a letablis-Information on the revision work,the issue of revisedsement des editions revisees et aux amendementseditions and amendments may be obtained from IECpeuvent etre obtenus aupres des Comites nationaux deNational Committees and from the following IECla CEl et dans les documents ci-dessous:sources:Bulletin de la CElIEC BulletinAnnuaire de la CEIEC YearbookAcces en ligne*On-line accessCatalogue des publications de la CElCatalogue of IEC publicationsPublie annuellement et mis a jour regulierementPublished yearly with regular updates(Acces en ligne)*(On-line access)*Terminologie,symboles graphiquesTerminology,graphical and letteret litterauxsymbolsEn ce qui concerne la terminologie generale,le lecteurFor general terminology,readers are referred to IECse reportera a la CEl 60050:Vocabulaire Electro-60050:internationalElectrotechnical Vocabularytechnique International(VEl).(1EV).Pour les symboles graphiques,les symboles litterauxFor graphical symbols,and letter symbols and signset les signes dusage general approuves par la CEl,leapproved by the IEc for general use,readers arelecteur consultera la CEl 60027:Symboles litteraux areferred to publications IEC 60027:Letter symbols toutiliser en electrotechnigue.la CEl 60417:Symbolesbe used in electrical technology,IEC 60417:Graphicalgraphiques utilisables sur le materiel.Index,releve etsymbols for use on equipment.Index,survey andcompilation des feuilles individuelles,et la CEI 60617:compilation of the single sheets and IEC 60617:Symboles graphiques pour schemas.Graphical symbols for diagrams.Publications de la CEl etablies parIEC publications prepared by the samele meme comite detudestechnical committeeLattention du lecteur est attiree sur les listes figurantThe attention of readers is drawn to the end pages ofa la fin de cette publication,qui enumerent lesthis publication which list the IEC publications issuedpublications de la CEl preparees par le comiteby the technical committee which has prepared thedetudes qui a etabli la presente publication.present publication.Voir adresse site websur la page de titre.See web site address on title page.NORMECEIINTERNATIONALEIECINTERNATIONAL60466STANDARDDeuxieme editionSecond edition1987Appareillage sous enveloppe isolantepour courant alternatif de tension assigneesuprieure a 1 kV et infrieure ou gale a 38 kVA.C.insulation-enclosed switchgearand controlgear for rated voltages above 1 kVand up to and including 38 kV IEC 1987 Droits de reproduction rservs-Copyright-all rights reservedAucune partie de cette publication ne peut etre reproduite niNo part of this publication may be reproduced or utilized inutilisee sous quelque forme que ce soit et par aucunany form or by any means,electronic or mechanical.procede,electronique ou mecanique,y compris la photoincluding photocopying and microfilm,without permission incopie et les microfilms,sans Iaccord ecrit de Iediteur.writing from the publisher.International Electrotechnical Commission3,rue de Varembe Geneva,SwitzerlandTelefax:+41 22 919 0300e-mail:inmailiec.chIEC web site http:/www.iec.chCommission Electrotechnique InternationaleCODE PRIXIECInternational Electrotechnical CommissionPRICE CODEXMemAyHapoAHaR neKTpoTexHecKaR HoMHCCHAPour prix,voir catalogue en vigueurFor price,see current catalogueCEI1987SOMMAIREPagesPREAMBULEPREFACEArticlesI.Domaine dapplication.102.Conditions normales et spciales de service.103.Dfinitions.104.Caracteristiques assignees.164.1 Tension.assignee.184.2 Niveau disolement assigne.184.3 Frequence assignee.184.4 Courant assign en service continu et echauffement.184.5 Courant de courte duree admissible assigne.184.6 Valeur de crete du courant admissible assigne.204.7 Duree de court-circuit assignee.204.8 Tension assignee dalimentation des dispositifs de fermeture et douverture etdes circuits auxiliaires.204.9 Frequence assignee dalimentation des dispositifs de maneuvre et des circuitsauxiliaires.204.10 Pression assignee dalimentation en gaz comprim pour la maneuvre.205.Conception et construction.205.1 Exigences pour les liquides utilises dans Iappareillage.205.2 Exigences pour les gaz utilises dans Iappareillage.225.3 Mise a la terre.225.4 Equipements auxiliaires.225.5 Fermeture dependante a source dnergie extrieure.225.6 Fermeture a accumulation dnergie.225.7Fonctionnement des declencheurs.225.8 Verrouillages a basse et a haute pression.225.9 Plaques signaletiques.245.101 Degre de protection.245.102 Defaut interne.265.103 Enveloppe isolante.265.104 Volets.305.105 Sectionneurs et sectionneurs de terre.325.106 Verrouillages.325.107 Dispositions pour les essais dilectriques des cables.346.Essais de type.346.1 Essais dielectriques.366.2 Essais de tension de perturbation radiolectrique.506.3 Essais dechauffement.506.4 Mesurage de la resistance du circuit principal.506.5 Essais au courant de courte dure et a la valeur de crete du courant admissibles 506.101 Vrification des pouvoirs de fermeture et de coupure.526.102 Essais de fonctionnement mecanique.526.103 Verification du degre de protection.54466IEC 19873CONTENTSPageFOREWORD7PREFACE7Clause1.Scope.112.Normal and special service conditions.113.Definitions.114.Rating.174.1 Rated voltage.194.2 Rated insulation level.194.3 Rated frequency.194.4 Rated normal current and temperature rise.194.5 Rated short-time withstand current.194.6 Rated peak withstand current.214.7 Rated duration of short-circuit.214.8 Rated supply voltage of closing and opening devices and auxiliary circuits.214.9 Rated supply frequency of operating devices and auxiliary circuits.214.10 Rated pressure of compressed gas supply for operation.215.Design and construction.215.1 Requirements for liquids in switchgear and controlgear.215.2 Requirements for gases in switchgear and controlgear.235.3 Earthing.235.4.Auxiliary equipment.235.5 Dependent power closing.235.6 Stored energy closing.235.7 Operation of releases.235.8 Low and high pressure interlocking devices.235.9 Nameplates.255.101 Degree of protection.255.102 Internal fault.275.103 Insulation enclosure.275.104 Shutters.315.105 Disconnectors and earthing switches.335.106 Interlocks.335.107 Provisions for dielectric tests on cables.356.Type tests.356.1 Dielectric tests.376.2 Radio interference voltage(RIV)tests.516.3 Temperature-rise tests.516.4 Measurement of the resistance of the main circuit.516.5:Short-time and peak withstand current tests.516.101 Verification of making and breaking capacities.536.102 Mechanical operation tests.536.103 Verification of the degree of protection.55