IEC_61558-2-14_Ed.1.pdf

FORM CDV(IEC)2009-01-09 Registered trademark of the International Electrotechnical Commission 96/376/CDVCOMMITTEE DRAFT FOR VOTE(CDV)PROJET DE COMIT POUR VOTE(CDV)Project number IEC 61558-2-14 Ed.1 Numro de projet IEC/TC or SC:96 CEI/CE ou SC:Secretariat/Secrtariat Germany Submitted for parallel voting in CENELEC Soumis au vote parallle au CENELEC Date of circulation Date de diffusion 2011-05-06 Closing date for voting(Voting mandatory for P-members)Date de clture du vote(Vote obligatoire pour les membres(P)2011-10-07 Also of interest to the following committees Intresse galement les comits suivants SC22E,SC34D,TC62,SC62A,TC64,TC108 Supersedes document Remplace le document 96/352/CD&96/369/CC Proposed horizontal standard Norme horizontale suggre Other TC/SCs are requested to indicate their interest,if any,in this CDV to the TC/SC secretary Les autres CE/SC sont requis dindiquer leur intrt,si ncessaire,dans ce CDV lintention du secrtaire du CE/SC Functions concerned Fonctions concernes Safety Scurit EMC CEM Environment Environnement Quality assurance Assurance qualit CE DOCUMENT EST TOUJOURS LTUDE ET SUSCEPTIBLE DE MODIFICATION.IL NE PEUT SERVIR DE RFRENCE.LES RCIPIENDAIRES DU PRSENT DOCUMENT SONT INVITS PRSENTER,AVEC LEURS OBSERVATIONS,LA NOTIFICATION DES DROITS DE PROPRIT DONT ILS AURAIENT VENTUELLEMENT CONNAISSANCE ET FOURNIR UNE DOCUMENTATION EXPLICATIVE.THIS DOCUMENT IS STILL UNDER STUDY AND SUBJECT TO CHANGE.IT SHOULD NOT BE USED FOR REFERENCE PURPOSES.RECIPIENTS OF THIS DOCUMENT ARE INVITED TO SUBMIT,WITH THEIR COMMENTS,NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION.Titre:Scurit des transformateurs,bobines dinductance,blocs dalimentation et des combinaisons de ces lments Partie 2-14:Exigences particulires et essais pour les transformateurs variables et les blocs dalimentation incorporant des transformateurs variables Title:Safety of transformers,reactors,power supply units and combinations thereof-Part 2-14:Particular requirements and test for variable transformers and power supply units incorporating variable transformers Note dintroduction Introductory note ATTENTION VOTE PARALLLE CEI CENELEC Lattention des Comits nationaux de la CEI,membres du CENELEC,est attire sur le fait que ce projet de comit pour vote(CDV)de Norme internationale est soumis au vote parallle.Les membres du CENELEC sont invits voter via le systme de vote en ligne du CENELEC.ATTENTION IEC CENELEC PARALLEL VOTING The attention of IEC National Committees,members of CENELEC,is drawn to the fact that this Committee Draft for Vote(CDV)for an International Standard is submitted for parallel voting.The CENELEC members are invited to vote through the CENELEC online voting system.Copyright 2011 International Electrotechnical Commission,IEC.All rights reserved.It is permitted to download this electronic file,to make a copy and to print out the content for the sole purpose of preparing National Committee positions.You may not copy or mirror the file or printed version of the document,or any part of it,for any other purpose without permission in writing from IEC.IEC 61558-2-14 IEC 20XX IEC 61558-2-14,Edition 1,SAFETY OF TRANSFORMERS,REACTORS,POWER SUPPLY UNITS AND COMBINATION THEREOF Part 2-14:Particular requirements and tests for variable transformers and power supply units incorporating variable transformers 296/376/CDVIEC 61558-2-14 IEC 20XX CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.8 3 Terms and definitions.8 4 General requirements.9 5 General notes on tests.9 6 Ratings.9 7 Classification.10 8 Marking and other information.10 9 Protection against electric shock.12 10 Change of input voltage setting.12 11 Output voltage and output current under load.12 12 No-load output voltage.12 13 Short-circuit voltage.14 14 Heating.14 15 Short circuit and overload protection.14 16 Mechanical strength.15 17 Protection against harmful ingress of dust,solid objectsand moisture.15 18 Insulation resistance,dielectric strength and leakage current.15 19 Construction.15 20 Components.20 21 Internal wiring.20 22 Supply connection and other external flexible cables or cords.20 23 Terminals for external conductors.20 24 Provision for protective earthing.20 25 Screws and connections.20 26 Creepage distances,clearances and distances through insulation.20 27 Resistance to heat,fire and tracking.20 28 Resistance to rusting.21 Annexes.22 Bibliography.22 396/376/CDVIEC 61558-2-14 IEC 20XX INTERNATIONAL ELECTROTECHNICAL COMMISSION _ SAFETY OF TRANSFORMERS,REACTORS,POWER SUPPLY UNITS AND COMBINATION THEREOF Part 2-14:Particular requirements and test for variable transformers and power supply units incorporating variable transformers FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of IEC is to promote international co-operation on all questions concerning