IEC_62271-100_A1_Ed_2.0.pdf

FORM CDV(IEC)2005-09-23 17A/956/CDVCOMMITTEE DRAFT FOR VOTE(CDV)PROJET DE COMIT POUR VOTE(CDV)Project number 62271-100 A1,Ed 2.0 Numro de projet IEC/TC or SC:SC 17A CEI/CE ou SC:Secretariat/Secrtariat Sweden Submitted for parallel voting in CENELEC Soumis au vote parallle au CENELEC Date of circulation Date de diffusion 2011-02-18 Closing date for voting(Voting mandatory for P-members)Date de clture du vote(Vote obligatoire pour les membres(P)2011-07-22 Also of interest to the following committees Intresse galement les comits suivants Supersedes document Remplace le document 17A/914/CD,17A/930/CC and item 7.1 of 17A/945/RM 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:Amendement 1-Appareillage haute tension-Partie 100:Disjoncteurs courant alternatif Title:Amendment 1-High-voltage switchgear and controlgear-Part 100:Alternating current circuit-breakers(Addition of requirements and tests for 1100 and 1200 kV)Note dintroduction Introductory note The CDV prepared by MT 36 is circulated to the NCs of SC 17A for voting and commenting.The document is based on 17A/914/CD,17A/930/CC and item 7.1 of 17A/945/RM.The FR translation of the EN text in the figures will be done in the period the document is circulated using the text provided below the figures.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.62271-100 A1,Ed 2.0 IEC:2010 2 17A/956/CDV Foreword(not part of the amendment)Following the decisions taken at the SC 17A meeting in Berlin in December 2008,IEC SC 17A/MT 36 prepared this first Committee Draft.It is based on the recommendations made by CIGRE WG A3-22.The following was considered when preparing this committee draft:-This Committee Draft mainly introduces the requirements for rated voltages higher than 800 kV.Other changes that may be necessary will be covered later in a second amendment to this standard;-Based on the study made by WG A3.22 of CIGRE SCA3,a first-pole-to-clear-factor(kpp)of 1,2 is introduced for terminal fault test duties for circuit-breakers with rated voltages higher than 800 kV.It allows having a recovery voltage at power frequency that corresponds to the maximum stress in service.The amplitude factor value(kaf)is derived from the product kpp kaf that gives the required peak value of TRV;-Explanations on the choice of standard values will be given in IEC 62271-306 4.The following changes were made to 17A/914/CD:An addition to 4.2 regarding the new values for power frequency withstand tests as provided in 17A/819/CDV(amendment 1 to IEC 62271-1),to cover the requirements across the open contacts for 1100 kV and 1200 kV;For short-line faults the term“insignificant time delay”has been replaced by“with a time delay of less than 100 ns”;Comment#19 of 17A/930/CC from SE:the suggested change was made to Table 5 only.Comment#64 of 17A/930/CC from CA was not accepted.The NOTE refers to the main document and it does not need to be repeated;The changes to Annex R are not indicated by a bar in the left margin.All accepted comments in 17A/930/CC have been included;Figure 19 has been changed.This figure was not part of documents 17A/891CD or 17A/914/CD.62271-100 A1,Ed 2.0 IEC:2010 3 17A/956/CDV FOREWORD This amendment has been prepared by subcommittee 17A:High-voltage switchgear and controlgear,of IEC technical committee 17:Switchgear and controlgear.The text of this amendment is based on the following documents:FDIS Report on voting 17A/XX/F