IEC_60287_1-2_Cable_Sizing.pdf

NORME CE1 INTERNATIONALE IEC INTERNATIONAL STANDARD 287-1-2 Premire dition First edition 1993-1 1 Cbles lectriques-Calcul du courant admissible-Partie 1:Equations de lintensit du courant admissible(facteur de charge 1 O0%)et calcul des pertes-Section 2:Facteurs de pertes par courants de Foucault dans les gaines dans le cas de deux circuits disposs en nappe Electric cables-Calculation of the current rating-Part 1:Current rating equations(1 O0%load factor)and calculation of losses-Section 2:Sheath eddy current loss factors for two circuits in flat formation Numro de rfrence Reference number CEI/IEC 287-1-2:1993 Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Validit de la prsente publication Le contenu technique des publications de la GEI est cons-tamment revu par la CE1 afin quil reflte ltat actuel de la technique.Des renseignements relatifs la date de reconfirmation de la publication sont disponibles auprs du Bureau Central de la CEI.Les renseignements relatifs ces rvisions,ltablis-sement des ditions rvises et aux amendements peuvent tre obtenus auprs des Comits nationaux de la CE1 et dans les documents ci-dessous:Bulletin de la CE1 Annuaire de la CE1 Publi annuellement Catalogue des publications de la CE1 Publi annuellement et mis jour rgulirement Term i no log ie En ce qui concerne la terminologie gnrale,le lecteur se reportera la CE1 50:Vocabulaire Electrotechnique Inter-national(VEI),qui se prsente sous forme de chapitres spars traitant chacun dun sujet dfini.Des dtails complets sur le VE1 peuvent tre obtenus sur demande.Voir galement le dictionnaire multilingue de la CEI.Les termes et dfinitions figurant dans la prsente publi-cation ont t soit tirs du VEI,soit spcifiquement approuvs aux fins de cette publication.Symboles graphiques et littraux Pour les symboles graphiques,les symboles littraux et les signes dusage gnral approuvs par la CEI,le lecteur consultera:-la CE1 27:Symboles littraux a utiliser en lectro-technique;-la GEI 417:Symboles graphiques utilisables sur le matriel.Index,rete v et compilation des feuilles individuelles;-la CE1 61 7:Symboles graphiques pour schmas;et pour les appareils lectromdicaux,-la CE1 878:Symboles graphiques pour quipements lectriques en pratique mdicale.Les symboles et signes contenus dans la prsente publi-cation ont t soit tirs de la CE1 27,de la CE1 417,de la CE1 617 etlou de la CE1 878,soit spcifiquement approuvs aux fins de cette publication.Publications de la CE1 tablies par le mme comit dtudes Lattention du lecteur est attire sur les listes figurant la fin de cette publication,qui numrent les publications de la CE1 prpares par le comit dtudes qui a tabli la prsente publication.Validity o f this publication The technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating to the date of the reconfirmation of the publication is available from the IEC Central Office.Information on the revision work,the issue of revised editions and amendments may be obtained from IEC National Committees and from the following IEC sources:IEC Bulletin IEC Yearbook Catalogue of IEC publications Published yearly Published yearly with regular updates Terminology For general terminology,readers are referred to IEC 50:international Electrotechnical Vocabulaty(IEV),which is issued in the form of separate chapters each dealing with a specific field.Full details of the IEV will be supplied on request.See also the IEC Multilingual Dictionary.The terms and definitions contained in the present publi-cation 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 IEC for general use,readers are referred to publications:-IEC 27:Letter symbols to be used in electrical technology;-IEC 417:Graphical symbols for use on equipment.index,survey and compilation of the single sheets;-IEC 61 7:Graphical symbols for diagrams;and for medical electrical equipment,-equipment in medical practice.IEC 878:Graphical symbols for electromedical The symbols and signs contained in the present publication have either been taken from IEC 27,IEC 417,IEC 617 andlor IEC 878,or have been specifically approved for the purpose of this publication.IEC publications prepared by the same technical committee The attention of readers is drawn to the end pages of this publication which list the IEC publications issued by the technical committee which has prepared the present publication.Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NORME INTERNATIONALE INTERNATIONAL STANDARD CE1 IEC 287-1-2 Premire dition First edition 1993-1 1 Cbles lectriques-