温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,汇文网负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。
网站客服:3074922707
IEC_62368
2017
THIS PUBLICATION IS COPYRIGHT PROTECTEDCopyright 2017 IEC,Geneva,SwitzerlandAll rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any formor by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing fromeither IEC or IECs member National Committee in the country of the requester.If you have any questions about IECcopyright or have an enquiry about obtaining additional rights to this publication,please contact the address below oryour local IEC member National Committee for further information.Droits de reproduction reserves.Sauf indication contraire,aucune partie de cette publication ne peut etre reproduiteni utilisee sous quelque forme que ce soit et par aucun procede,electronique ou mecanique,y compris la photocopieet les microfilms,sans laccord ecrit de IlEC ou du Comite national de IlEC du pays du demandeur.Si vous avez desquestions sur le copyright de IlEC ou si vous desirez obtenir des droits supplementaires sur cette publication,utilisezles coordonnees ci-apres ou contactez le Comite national de IIEC de votre pays de residence.IEC Central OfficeTel.:+412291902113,rue de VarembeFax:+41229190300CH-1211 Geneva 20infoiec.chSwitzerlandwww.iec.chAbout the IECThe International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishesInternational Standards for all electrical,electronic and related technologiesAbout IEC publicationsThe technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have thelatest edition,a corrigenda or an amendment might have been published.IEC Catalogue-webstore.iec.ch/catalogueElectropedia-www.electropedia.orgThe stand-alone application for consulting the entireThe worlds leading online dictionary of electronic andbibliographical information on IEC Intemnational Standards.electrical terms containing 20 000 terms and definitions inTechnical Specifications,Technical Reports and otherEnglish and French,with equivalent terms in 16 additionaldocuments.Available for PC,Mac OS,Android Tablets andlanguages.Also known as the Intemnational ElectrotechnicaliPad.Vocabulary(IEV)online.IEC publications search-www.iec.ch/searchpubIEC Glossary-std.iec.ch/glossaryThe advanced search enables to find IEC publications by a65 000 electrotechnical terminology entries in English andvariety of criteria(reference number,text,technicalFrench extracted from the Terms and Definitions clause ofcommittee,.).It also gives information on projects,replacedIEC publications issued since 2002.Some entries have beenand withdrawn publications.collected from earlier publications of IEC TC 37,77,86 andCISPR.IEC Just Published-webstore.iec.ch/justpublishedStay up to date on all new IEC publications.Just PublishedIEC Customer Service Centre-webstore.iec.ch/cscdetails all new publications released.Available online andIf you wish to give us your feedback on this publication oralso once a month by email.need further assistance,please contact the Customer ServiceCentre:csciec.ch.A propos de IIECLa Commission Electrotechnique Internationale(IEC)est la premiere organisation mondiale qui elabore et publie desNormes internationales pour tout ce qui a trait a lelectricite,a lelectronique et aux technologies apparentees.A propos des publications IECLe contenu technique des publications IEC est constamment revu.Veuillez vous assurer que vous possedez ledition laplus recente,un corrigendum ou amendement peut avoir ete publieCatalogue IEC-webstore.iec.ch/catalogueElectropedia-www.electropedia.orgApplication autonome pour consulter tous les renseignementsLe premier dictionnaire en ligne de termes electroniques etbibliographiquessurlesNormesintemationales,electriques.Il contient 20 000 termes et definitions en anglaisSpecifications techniques,Rapports techniques et autresdocuments de IIEC.Disponible pour PC,Mac OS,tabletteset en francais,ainsi que les termes equivalents dans 16Android et iPad.langues additionnelles.Egalement appele VocabulaireElectrotechnique International(IEV)en ligne.Recherche de publications IEC-www.iec.ch/searchpubGlossaire IEC-std.iec.ch/glossaryLa recherche avancee permet de trouver des publications IEC65 000 entrees terminologiques electrotechniques,en anglaisen utilisant differents criteres(numero de reference,texte.et en francais,extraites des articles Termes et Definitions descomite detudes.).Elle donne aussi des informations sur lespublications IEC parues depuis 2002.Plus certaines entreesprojets et les publications remplacees ou retirees.anterieures extraites des publications des CE 37,77,86 etCISPR de IIEC.IEC Just Published-webstore.iec.ch/justpublishedRestez informe sur les nouvelles publications IEC.JustService Clients-webstore.iec.ch/cscPublished detaille les nouvelles publications parues.Si vous desirez nous donner des commentaires sur cetteDisponible en ligne et aussi une fois par mois par email.publication ou si vous avez des questions contactez-nous:csciec.ch.1EC62368-3Edition 1.0 2017-12INTERNATIONALSTANDARDNORMEINTERNATIONALEAudio/video,information and communication technology equipment-Part 3:Safety aspects for DC power transfer through communication cables andportsEquipements des technologies de laudio/video,de linformation et de lacommunication-Partie 3:Aspects lies a la securite relatifs au transfert de puissance en courantcontinu au moyen de cables et dacces de communicationINTERNATIONALELECTROTECHNICALCOMMISSIONCOMMISSIONELECTROTECHNIQUEINTERNATIONALE1CS33.160.01:35.0201SBN978-2-8322-5131-7Warning!Make sure that you obtained this publication from an authorized distributor.Attention!Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agree.Registered trademark of the International Electrotechnical CommissionMarque deposee de la Commission Electrotechnique Internationale1EC62368-3:20171EC2017-3-Figure A.2-Example of a remote power feeding RFT-C system with repeater.21Figure A.3-Example of a remote power feeding RFT-V system.2.2Table 1-RFT-V circuits,power and current limitations.18