1、 IEC 60287-3-1 Edition 2.0 2017-06 INTERNA TIONAL STA NDA RD NORME INTERNA TIONALE Electric cables Calculation of the current rating Part 3-1:Operating conditions Site reference conditions Cbles lectriques Calcul du courant admissible Partie 3-1:Conditions de fonctionnement Conditions du site de rfr
2、ence IEC 60287-3-1:2017-06(en-fr)THIS PUBLICA TION IS COPYRIGHT PROTECTED Copyright 2017 IEC,Geneva,Switzerland All rights reserved.Unless other wise specified,no par t of this publication may be reproduced or utilized in any for m or by any means,electronic or mechanical,including photocopying and
3、microfilm,without per mission in writing fr om either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional r ights to this publication,please contact the address below or your local IEC membe
4、r National Committee for further infor mation.Droits de repr oduction rservs.Sauf indication contrair e,aucune par tie de cette publication ne peut tre r eproduite ni utilise sous quelque for me que ce soit et par aucun procd,lectr onique ou mcanique,y compr is la photocopie et les microfilms,sans l
5、accord cr it de lIEC ou du Comit national de lIEC du pays du demandeur.Si vous avez des questions sur le copyright de lIEC ou si vous dsirez obtenir des dr oits supplmentaires sur cette publication,utilisez les coordonnes ci-aprs ou contactez le Comit national de lIEC de votre pays de r sidence.IEC
6、Centr al Office Tel.:+41 22 919 02 11 3,rue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About t he IEC The International Electr otechnical Commission(IEC)is the leading global organization that prepar es and publishes Inter national Standards for all electr ica
7、l,electronic and related technologies.A bout IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sur e that you have the latest edition,a cor rigenda or an amendment might have been published.IEC Cat alogue-webstore.iec.ch/cat alogue The st
8、and-alone application for consulting the entire bibliographical information on IEC International Standards,Technical Specifications,Technical R eports and other documents.Av ailable for PC,Mac OS,A ndroid Tablets and iPad.IEC publications search-w w w.iec.ch/searchpub The adv anced search enables to
9、 find IEC publications by a variety of criteria(reference number,text,technical committee,).It also giv es information on projec ts,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publicat
10、ions released.A v ailable online and also once a month by email.Elect ropedia-w w w.elect ropedia.org The worlds leading online dic tionary of elec tronic and electrical terms containing 20 000 terms and definitions in English and French,with equiv alent terms in 16 additional languages.A lso known
11、as the International Electrotechnical Vocabulary (IEV)online.IEC Glossar y-st d.iec.ch/glossary 65 000 elec trotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries hav e been collected from earlier publ
12、ications of IEC TC 37,77,86 and CISPR.IEC Customer Service Cent re-webstore.iec.ch/csc If y ou wish to giv e us y our feedback on this publication or need further assistance,please contact the Customer Serv ice Centre:csciec.ch.A propos de lIEC La Commission Electrotechnique Internationale(IEC)est l
13、a pr emire or ganisation mondiale qui labore et publie des Nor mes inter nationales pour tout ce qui a trait llectr icit,llectronique et aux technologies apparentes.A propos des publications IEC Le contenu technique des publications IEC est constamment r evu.Veuillez vous assurer que vous possdez ld
14、ition la plus rcente,un corr igendum ou amendement peut avoir t publi.Cat alogue IEC-webstore.iec.ch/cat alogue Application autonome pour consulter tous les renseignements bibliographiques sur les Normes internationales,Spcifications techniques,Rapports techniques et autres documents de lIEC.Disponi
15、ble pour PC,Mac OS,tablettes A ndroid et iPad.R echerche de publications IEC-w w w.iec.ch/searchpub La recherche avance permet de t rouver des publications IEC en utilisant diffrents critres(numro de rfrence,texte,comit dtudes,).Elle donne aussi des informations sur les projets et les publications r
16、emplac es ou retires.IEC Just Published-webstore.iec.ch/justpublished Restez inform sur les nouvelles publications IEC.Just Published dtaille les nouv elles publications parues.Disponible en ligne et aussi une fois par mois par email.Electropedia-w w w.elect ropedia.org Le premier dic tionnaire en ligne de termes lectroniques et lectriques.Il contient 20 000 termes et dfinitions en anglais et en franais,ainsi que les termes quiv alents dans 16 langues additionnelles.Egalement appel Vocabulaire E
