1、IEC 71 P T 8 1 93 Ez1 4844833 0544786 565 E!NORME INTERNATIONALE INTERNATIONAL STANDARD CE1 IEC 71-I Septieme Bdition Seventh edition 1993-1 2 Coordination de lisolement Partie 1:Dfinitions,principes et rgles Insulation co-ordination Part 1:Definitions,principles and rules Numro de reference Referen
2、ce number CElllEC 71-1:1993 COPYRIGHT International Electrotechnical CommissionLicensed by Information Handling ServicesCOPYRIGHT International Electrotechnical CommissionLicensed by Information Handling ServicesIEC 71 P T*l 93 E3 4844893 0544787 4TL m Rvision de la prsente publication Le contenu te
3、chnique des publications de la C E I est cons-tamment revu par la Commission afin dassurer quil reflte bien Iktat actuel de la technique.Les renseignements relatifs h ce travail de revision,ICtablissement des editions rvis6es et aux mises jour peuvent tre obtenus auprs des Comites nationaux de la C
4、EI et en consultant les documents ci-dessous:Bulletin de la C E I Annuaire de la C E I Catalogue des publications de la C E I Publik annuellement Terminologie En c e qui cancerne la terminologie gknkale.le lecteur se reportera A la Publication 50 de la C E I:Vocabulaire Electrotechnique Internationa
5、l (VEI),qui est etablie sous fome de chapitres dpar6.s traitant chacun dun sujet defini,lIndex gC-n6ral ktant publi&parCrnent Des details complets sur le VE1 peuvent me obtenus sur demande.Les termes et definitions figurant dans la prksente publication ont CtC soit repris du VEI,soit#cifiquement app
6、rouvs aux fins de cette publication.Symboles graphiques et littraux Pour les symboles graphiques,symboles 1ittCraux et signes dusage gnral approuvs par la C E I,le lecteur consultera:-Ia Publication 27 de la C E I:Symboles linCraux utiliser en lectrotechnique;-la Publication 617 de la C E I:Symboles
7、 graphiques pour schmas.Les symboles et signes contenus dans la prsente publication ont kt soit repris des Publications 27 ou 617 de la C EI,soit spkifiquement approuves aux fins de cette publication.Publications de la C E I tablies par le mme Comit dEtudes Lattention du lecteur est attirke sur le d
8、euxime feuiller de la couverture.qui Cnumre les publications de la C E I prpares par le Comite dEtudes qui a tabli la prksente publication.Revision of this publication The technical content of I E C publications is kept under con-stant review by the I E C,thus ensuring that the content reflects curr
9、ent technology.Information on the work of revision,the issue of revised edi-tions and amendment sheets may be obtained from I E C National Committees and from the following I E C sources:I E C Bulletin I E C Yearbook Catalogue of I E C Publications Published yearly Terminology For general terminolog
10、y,readers are referred to I E C Publi-cation 50:Intemational Electrotechnical Vocabulary V),which is issued in the form of separate chapters each dealing with a specific field,the General Index being published as a se-parate booklet.Full details of the IEV will be supplied on request.The terms and d
11、efinitions contained in the present publication have either been taken from the IEV or have been specifically approved for the purpose of this publication.Graphical and letter symbols For graphical symbols,and letter symbols and signs approved by the I E C for general use,readers are referred t o:-I
12、 E C Publication 27:Letter symbols t o be used in electrical technology;-I E C Publication 617:Graphical symbols for diagrams.The symbols and signs contained in the present publication have either been taken from IEC Publications 27 or 617,or have been specifically approved for the purpose of this p
13、ublication.I E C publications prepared by the same Technical Committee The attention of readers is drawn to the back cover,which lists I EC publications issued by the Technical Committee which has prepared the present publication.COPYRIGHT International Electrotechnical CommissionLicensed by Informa
14、tion Handling ServicesCOPYRIGHT International Electrotechnical CommissionLicensed by Information Handling ServicesNORME INTERNATIONALE INTERNATIONAL STANDARD CE1 IEC 71-1 Septieme bdition Seventh edition 1993-1 2 Coordination de lisolement Partie 1:Dfinitions,principes et rgles Insulation co-ordinat
15、ion Part 1:Definitions,principles and rules CE1 1993 Droits de reproduction rservs-Copyright-all rights reserved Aucune partm de(fe prblicalbn ne peut Ire reprodule nl No part of t h u s pubIlcation may be reproduced o r Ulilued in ul111se sous quelque forme que c a soit d p a r aucun pro-any form o
16、r by any means,electronic or mrchanlcal.d.lectronque ou mcanique.y mnpns h phdocopie e(ncludng photocopying and Mcrolih,without pamission les mrofilms.sans laccord h i i l de Idditeur.YI writmg from the prblher Bureau Central de la Commission Electrdedrnique Internationale 3.rue de Varembe Genve.Suisse Commission Electrotechnique Internationale CODE PRIX International Electrotechnical Commission PRICE CODE T MemnvHaponHaFI 3nerporex.tecna HOMMCWR Pour prm.voir caralcgue en vigueur For prrce.see
