IEC_60092-303-1980_scan.pdf

NORMEINTERNATIONALEINTERNATIONALSTAN DARDCEIIEC92-303Troisime ditionThird edition1980-01Installations lectriques bord des naviresPartie 303:Matriel Transformateurs de puissanceElectrical installations in shipsPart 303:Equipment Transformers for power and lightingIECNumro de rfrenceReference numberCEI/IEC 92-303:1980LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Numros des publicationsLes publications de la CEI sont numrotes partir de60000 ds le ler janvier 1997.Publications consolidesLes versions consolides de certaines publications dela CEI incorporant amendements sont disponibles.Parexemple,les numros ddition 1.0,1.1 et 1.2indiquent respectivement la publication de base,lapublication de base incorporant lamendement 1,et lapublication de base incorporant les amendements 1et 2.Validit de la prsente publicationLe contenu technique des publications de la CEI estconstamment revu par la CEI afin quil reflte ltatactuel de la technique.Des renseignements relatifs la date dereconfirmation de la publication sont disponibles dansle Catalogue de la CEI.Les renseignements relatifs ces rvisions,ltablis-sement des ditions rvises et aux amendementspeuvent tre obtenus auprs des Comits nationaux dela CEI et dans les documents ci-dessous:Bulletin de la CEIAnnuaire de la CEIAccs en ligne*Catalogue des publications de la CEIPubli annuellement et mis jour rgulirement(Accs en ligne)*Terminologie,symboles graphiqueset littrauxEn ce qui concerne la terminologie gnrale,le lecteurse reportera la CEI 60050:Vocabulaire Electro-technique International(VEI).Pour les symboles graphiques,les symboles littrauxet les signes dusage gnral approuvs par la CEI,lelecteur consultera la CEI 60027:Symboles littraux utiliser en lectrotechnique,la CEI 60417:Symbolesgraphiques utilisables sur le matriel.Index,relev etcompilation des feuilles individuelles,et la CEI 60617:Symboles graphiques pour schmas.Publications de la CEI tablies parle mme comit dtudesLattention du lecteur est attire sur les listes figurant la fin de cette publication,qui numrent lespublications de la CEI prpares par le comitdtudes qui a tabli la prsente publication.NumberingAs from the 1st January 1997 all IEC publications areissued with a designation in the 60000 series.Consolidated publicationsConsolidated versions of some IEC publicationsincluding amendments are available.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,tothe base publication,the base publicationincorporating amendment 1 and the base publicationincorporating amendments 1 and 2.Validity of this publicationThe technical content of IEC publications is kept underconstant review by the IEC,thus ensuring that thecontent reflects current technology.Information relating to the date of the reconfirmation ofthe publication is available in the IEC catalogue.Information on the revision work,the issue of revisededitions and amendments may be obtained from IECNational Committees and from the following IECsources:IEC BulletinIEC YearbookOn-line access*Catalogue of IEC publicationsPublished yearly with regular updates(On-line access)*Terminology,graphical and lettersymbolsFor general terminology,readers are referred to IEC60050:International Electrotechnical Vocabulary(IEV).For graphical symbols,and letter symbols and signsapproved by the IEC for general use,readers arereferred to publications IEC 60027:Letter symbols tobe used in electrical technology,IEC 60417:Graphicalsymbols for use on equipment.Index,survey andcompilation of the single sheets and IEC 60617:Graphical symbols for diagrams.IEC publications prepared by the sametechnical committeeThe attention of readers is drawn to the end pages ofthis publication which list the IEC publications issuedby the technical committee which has prepared thepresent publication.*Voir adresse site web sur la page de titre.?*See web site address on title page.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IECCODE PRIXPRICE CODEFNORMEINTERNATIONALEINTERNATIONALSTAN DARDCEIIEC92-303Troisime ditionThird edition1980-01Installations lectriques bord des naviresPartie 303:Matriel Transformateurs de puissanceElectrical installations in shipsPart 303:Equipment Transformers for power and lighting IEC 1980 Droits de reproduction rservs Copyright-all rights reservedAucune partie de cette publication ne peut tre reproduite ni?No part of this publication may be reproduced or utilized inutilise sous quelque forme que ce soit et par aucun?any form or by any means,electronic or mechanical,procd,lectronique ou mcanique,y compris la photo-?including photocopying and microfilm,without permission incopie et les microfilms,sans laccord crit de lditeur?writing from the publisher.International Electrotechnical Commission?3,rue de Varemb Geneva,SwitzerlandTelefax:+41 22 919 0300?e-mail:inmailiec.ch?IEC web site http:/www.iec.chCommission Electrotechnique Internationa