IEC_60255-13_Electrical_relays.pdf

COMMISSION LECTRTECHNIQUE INTERNATIONALE NORME D E LA G E I.I N T E R N AT10 N AL ELECT ROT ECHN I C AL COM M I S S I 0 N I E C STANDARD Publication 255-1 3 1980 Premire dition-First edition Relais lectriques Treizime partie:Relais diffrentiels pourcentage Electrical relays Part 13:Biased(percentage)differential relays Droits de reproduction rservs-Copyright-all righrs reserved Bureau Central de la Commission Electrotechnique Internationale Genve,Suisse 1,rue de Varemb COPYRIGHT International Electrotechnical CommissionLicensed by Information Handling ServicesCOPYRIGHT International Electrotechnical CommissionLicensed by Information Handling Services-.I E C 255 PT*13 80 M 484q891 0021230 b M Rvision de la prsente publication Le contenu technique des publications de ia CE1 est constam-ment revu par la Commission afin dassurer quil reflkte bien ltat actuel de la technique.JAS renseignements relatifs ce travail de rvision,Itablisse-ment des ditions rvises et aux mises Ajour peuvent tre obtenus auprs des Comits nationaux de la CE1 et en consultant les docu-ments ci-dessous:8 Bulletin de la CE1 8 Rapport dactivit de la CE1 Publi annuellement Catalogue des publications de la CE1 Publi annuellement e Revision of this publicatioia The technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology,Information on the work of revision,the issue of revised editions and amendment sheets may be obtained from IEC National Committees and from the following IEC sources:Q IECBulletin 8 Report on IEC Activith Published yearly Q Catalogue of IEC Publications Published yearly Terminologie Terminology En c e qui concerne la terminologie gnrale,le lecteur se reportera ia Publication 50 de la CEI:Vocabulaire Electro-technique International(V.E.I.),qui est tablie sous forme de chapitres spars traitant chacun dun sujet dfini,lIndex gnrai tant publi sparment.Des dtails complets sur le V.E.I.peuvent tre obtenus sur demande.Les termes et dfinitions figurant dans la prsente publication ont t soit repris du V.E.I.,soit spcifiquement approuvs aux fins de cette publication.For general terminology,readers are referred to IEC Publi-cation 50:International Electrotechnical Vocabulary(I.E.V.),which is issued in the form of separate chapters each dealing with a specific field,the General Index being published as a separate booklet.Full details of the I.E.V.will be supplied on request.The terms and definitions contained in the present publication have either been taken from the I.E.V.or have been specifically approved for the purpose of this publication.Symboles graphiques et littraux Graphicall and letter symbols Pour les symboles graphiques,symboles littraux et signes dusage gnral approuvs par la CEI,le lecteur consultera:-ia Publication 27 de ia CEI:Symboles littraux utiliser en lectrotechnique;-ia Publication 117 de la CEI:Symboles graphiques reconi-mands.Les symboles et signes contenus dans la prsente publication ont&t soit repris des Publications 27 ou 117 de la CEI,soit spcifiquement approuv&s aux fins de cette publication.For graphical symbols,and letter symbols and signs approved by the IEC for general use,readers are referred to:-IEC Publication 27:Letter symbols to be used in electrical technology;IEC Publication 117:Recommended graphical symbols.The symbols and signs contained in the present publication have either been taken from IEC Publications 27 or 117,or have been specifically approved for the purpose of this publi-cation.-Autres publications de la CE1 tablies par le mme Comit dEtudes Technical Committee Other IEC publications prepared by the same Lattention du lecteur est attire sur la page 3 de la The attention of readers is drawn to the inside of the back couverture,qui numre les autres publications de la CE1 cover,which lists other IEC publications issued by the prpares par le Comit dEtudes qui a tabli la prsente Technical Committee which has prepared the present publication.publication.COPYRIGHT International Electrotechnical CommissionLicensed by Information Handling ServicesCOPYRIGHT International Electrotechnical CommissionLicensed by Information Handling ServicesV w H C.D.U./U.D.C.:621.318.56.08:621.316.925.2.001.2.001.4-C O M M I S S I O N L E c T R O T E C H N I Q U E I N T E R.N AT1 O N A L E N O R M E D E L A C E 1 I N T E R N A T I O N A L E L E C T R O T E C H N I C A L COM M I S S I O N I E C S T A N D A R D Publication 255-1 3 Premire dition-First edition 1980 Relais lectriques Treizime partie:Relais diffrentiels pourcentage Electrical relays I Part 13:Biased(percentage)differential relays Mots cls:relais de mesure protection Key words:measuring relays for diffrentielle;exigences;mesure;differential protection;I.proprits:dfinitions.requirements;measurement:properties:definitions.Droits de reproduction rservs-Copyright-all rights reserved Aucune partie de cette publication ne peut tre reproduite ni utilise sous quelque fome que ce soit et