IEC_62271-110_Ed_3.0.pdf

FORM CDV(IEC)2005-09-23 17A/959/CDVCOMMITTEE DRAFT FOR VOTE(CDV)PROJET DE COMIT POUR VOTE(CDV)Project number 62271-110 Ed 3.0 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/925/CD,17A/938/CC and item 7.6 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:Appareillage haute tension-Partie 110:Manuvre de charges inductives Title:High-voltage switchgear and controlgear-Part 110:Inductive load switching Note dintroduction Introductory note The English version of this document contains the changes made to document 17A/925/CD.The changes are identified by a bar in the left margin.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.62271-110 IEC:2011 2 17A/959/CDV CONTENTS FOREWORD.41.1General.61.12Scope.61.23Normative references.62Normal and special service conditions.63Definitions.74Ratings.84.1Rated voltage(Ur).84.2Rated insulation level.84.3Rated frequency(fr).84.4Rated normal current(Ir)and temperature rise.84.5Rated short-time withstand current(Ik).84.6Rated peak withstand current(Ip).84.7Rated duration of short-circuit(tk).84.8Rated supply voltage of closing and opening devices and of auxiliary and control circuits(Ua).94.9Rated supply frequency of closing and opening devices and auxiliary circuits.94.10Rated pressure of compressed gas supply for insulation,operation and/or interruption.95Design and construction.96Type tests.96.1General.96.2Dielectric test.106.3Radio interference voltage(r.i.v.)tests.106.4Measurement of the resistance of the main circuit.106.5Temperature-rise tests.106.6Short-time withstand current and peak withstand current tests.106.7Verification of protection.106.8Tightness tests.106.9Electromagnetic compatibility(EMC)tests.106.101Mechanical and environmental tests.106.102Miscellaneous provisions for making and breaking tests.106.103Test circuits for short-circuit making and breaking tests.116.104Short-circuit test quantities.116.105Short-circuit test procedures.116.106Basic short-circuit test duties.116.107Critical current tests.116.108Single-phase and double-earth fault tests.116.114High-voltage motor current switching tests.116.115Shunt reactor current switching tests.177Routine tests.288Guide to selection of circuit-breakers for service.289Information to be given with enquiries,tenders and orders.2810Rules for transport,storage,installation,operation and maintenance.2862271-110 IEC:2011 3 17A/959/CDV 11Safety.28Annex A(normative)Calculation of t3 values.30 Figure 1 Motor switching test circuit and summary of parametersError!Bookmark not defined.Figure 2 Reactor switching test Basic layout of three-phase test circuitError!Bookmark not defined.Figure 3 Reactor switching test Basic layout of single-phase test circuitError!Bookmark not defined.Figure 4 Illustration of voltage transients at interruption of inductive current for first phase clearing in a three-phase non-effectively earthed circuit.Error!Bookmark not defined.Figure 5 Illustration of voltage transients at interruption of inductive current for a single-phase