IEC_62271-1_Ed._1_A1.pdf

FORM FDIS(IEC)/FORMULAIRE FDIS(CEI)2007-08-09 17A/962/FDISFINAL DRAFT INTERNATIONAL STANDARDPROJET FINAL DE NORME INTERNATIONALEProject number Numro de projet 62271-1 Ed.1/A1 IEC/TC or SC CEI/CE ou SC SC 17A Secretariat/Secrtariat Sweden Submitted for parallel voting in CENELEC Soumis au vote parallle au CENELEC Distributed on/Diffus le 2011-03-18 Voting terminates on/Vote clos le 2011-05-20 Also of interest to the following committees Intresse galement les comits suivants SC 17C Supersedes document Remplace le document 17A/918/CDV-17A/943/RVC Functions concerned Fonctions concernes Safety Scurit EMC CEM Environment Environnement Quality assurance Assurance de la qualit CE DOCUMENT EST UN PROJET DIFFUS POUR APPROBATION.IL NE PEUT TRE CIT COMME NORME INTERNATIONALE AVANT SA PUBLICATION EN TANT QUE TELLE.OUTRE LE FAIT DTRE EXAMINS POUR TABLIR SILS SONT ACCEPTABLES DES FINS INDUSTRIELLES,TECHNOLOGIQUES ET COMMERCIALES,AINSI QUE DU POINT DE VUE DES UTILISATEURS,LES PROJETS FINAUX DE NORMES INTERNATIONALES DOIVENT PARFOIS TRE EXAMINS EN VUE DE LEUR POSSIBILIT DE DEVENIR DES NORMES POUVANT SERVIR DE RFRENCE DANS LES RGLEMENTATIONS NATIONALES.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 A DRAFT DISTRIBUTED FOR APPROVAL.IT MAY NOT BE REFERRED TO AS AN INTERNATIONAL STANDARD UNTIL PUBLISHED AS SUCH.IN ADDITION TO THEIR EVALUATION AS BEING ACCEPTABLE FOR INDUSTRIAL,TECHNOLOGICAL,COMMERCIAL AND USER PURPOSES,FINAL DRAFT INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL TO BECOME STANDARDS TO WHICH REFERENCE MAY BE MADE IN NATIONAL REGULATIONS.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 62271-1 A1 Ed.1:Appareillage haute tension Partie 1:Spfications communes Title IEC 62271-1 A1 Ed.1:High-voltage switchgear and controlgear Part 1:Common specifications ATTENTION VOTE PARALLLE CEI CENELEC Lattention des Comits nationaux de la CEI,membres du CENELEC,est attire sur le fait que ce projet finale 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 final draft International Standard(DIS)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.2 62271-1 Amend.1/FDIS?IEC 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/FDIS 17A/XX/RVD Full information on the voting for the approval of this amendment can be found in the report on voting indicated in the above table.The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under http:/webstore.iec.ch in the data related to the specific publication.At this date,the publication will be reconfirmed,withdrawn,replaced by a revised edition,or amended.The National Committees are requested to note that for this publication the stability date is 2013.THIS TEXT IS INCLUDED FOR THE INFORMATION OF THE NATIONAL COMMITTEES AND WILL BE DELETED AT THE PUBLICATION STAGE._ 2.1.2 Outdoor switchgear and controlgear Add the following new text at the end of Note 1:and design pressure limits.4.1.2 Range II for rated voltages above 245 kV Replace the existing text of this subclause by the new following text:300 kV 362 kV 420 kV 550 kV 800 kV 1 100 kV 1 200 kV.62271-1 Amend.1/FDIS?IEC 3 Table 2a Rated insulation levels for rated voltages of range II Add,before Note 1,the following two new lines to the existing Table 2a:1 100 1 100 1 100 1 550 2 635 1 550+(900)2 250 2 250+(630)1 100+(635)1 800 2 880 1 675+(900)2 400 2 400+(630)1 200 1 200 1 200 1 800 2 970 1 675+(980)2 400 2 400+(685)1 200+(695)1 950 3 120 2 550 2 550+(685)4.6 Rated peak withstand current(Ip)Add the following new sentence at the end of the second paragraph:For switchgear with rated voltages higher than 800 kV the d.c.time constant is 120 ms and the rated peak withstand current equal to 2,7 times the rated short-time withstand current.6.6.2 Test current and