IEC_62271-202_Ed._2.0.pdf

Registered trademark of the International Electrotechnical Commission 17C/551/CDV COMMITTEE DRAFT FOR VOTE(CDV)PROJET DE COMIT POUR VOTE(CDV)Project number IEC 62271-202 Ed.2.0 Numro de projet IEC/TC or SC:SC 17C 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 2012-05-11 Closing date for voting(Voting mandatory for P-members)Date de clture du vote(Vote obligatoire pour les membres(P)2012-10-12 Also of interest to the following committees Intresse galement les comits suivants SC 17A Supersedes document Remplace le document 17C/528/CD,17C/529/INF,17C546/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:CEI 62271-202 Ed.2:Appareillage haute tension-Partie 202:Postes prfabriqus haute tension/basse tension Title:IEC 62271-202 Ed.2:High-voltage switchgear and controlgear Part 202:High-voltage/low-voltage prefabricated substation Note dintroduction Introductory note The revision covers the following changes related to the 2007 version:Temperature test method adapted to improve dry type transformer tests EMF requirements added by reference to IEC 62271-208 Transformers inside enclosure is added as a new annex mainly focused on impact of temperatures Compact Equipment Assemblies of Distribution Substations(CEADS)is taken from the European Standard EN 50532 and added as annex G.A questionnaire on this annex resulted in dividing annex G from IEC 62271-202 and to publish it as a separate standard.A new working group will be started next.Internal arc test requirements have been adapted to IEC 62271-200 with new drawings for indicator set up.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 2012 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.62271-202/Ed.2/CDV IEC(E)2 17C/551/CDV CONTENTS FOREWORD.9 INTRODUCTION.11 1 General.12 1.1 Scope.12 1.2 Normative references.12 2 Normal and special service conditions.14 2.1 Normal service conditions.14 2.1.1 Indoor switchgear and controlgear.14 2.1.101 Low-voltage switchgear and controlgear.14 2.1.102 Transformer.14 2.1.2 Outdoor switchgear and controlgear.15 2.2 Special service conditions.15 2.2.1 Altitude.15 2.2.2 Pollution.15 2.2.3 Temperature and humidity.16 3 Terms and definitions.16 4 Ratings.18 4.1 Rated voltage(Ur).18 4.2 Rated insulation level.19 4.3 Rated frequency (fr).19 4.4 Rated normal current and temperature rise.19 4.4.1 Rated normal current(Ir).19 4.4.2 Temperature rise.19 4.5 Rated short-time withstand current(Ik).20 4.5.101 Rated short-time withstand current of HV switchgear and controlgear and HV interconnection(Ik).20 4.5.102 Rated short-time phase to earth withstand current(Ike).20 4.5.103 Rated short-time withstand currents of LV switchgear and controlgear and LV interconnection(Icw).20 4.6 Rated peak withstand current(Ip).20 4.6.101 Rated peak withstand current(Ip).20 4.6.102 Rated peak phase to earth withstand current(Ipe).20 4.6.103 Rated peak withstand currents of LV switchgear and controlgear and LV interconnection(Ipk).20 4.7 Rated durations of short circuit(tk).20 4.7.101 Rated duration of short circuit(tk).21 4.7.102 Rated duration of phase to earth short circuit(tke).21 4.7.103 Ra