1、 Registered trademark of the International Electrotechnical Commission 17A/998/CDV COMMITTEE DRAFT FOR VOTE(CDV)PROJET DE COMIT POUR VOTE(CDV)Project number IEC 62271-112 Ed 1.0 Numro de projet IEC/TC or SC:SC 17A CEI/CE ou SC:Secretariat/Secrtariat Sweden Submitted for parallel voting in CENELEC So
2、umis au vote parallle au CENELEC Date of circulation Date de diffusion 2012-03-23 Closing date for voting(Voting mandatory for P-members)Date de clture du vote(Vote obligatoire pour les membres(P)2012-09-07 Also of interest to the following committees Intresse galement les comits suivants Supersedes
3、 document Remplace le document 17A/969/CD,17A/985/CC and item 7.2 of 17A/992/RM 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
4、 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
5、 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
6、TO SUBMIT,WITH THEIR COMMENTS,NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION.Titre :CEI 62271-112 Ed 1.0:Appareillage haute tension-Partie 112:Sectionneurs de terre rapides courant alternatif pour lextinction de larc secondaire sur les lign
7、es de transport Title:IEC 62271-112 Ed 1.0:High-voltage switchgear and controlgear-Part 112:Alternating current high-speed earthing switches for secondary arc extinction on transmission lines Note dintroduction Introductory note ATTENTION VOTE PARALLLE CEI CENELEC Lattention des Comits nationaux de
8、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,
9、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 reser
10、ved.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
11、 from IEC.CONTENTS FOREWORD.3 1 General.6 1.1 Scope.6 1.2 Normative references.6 2 Normal and special service conditions.6 3 Terms and definitions.6 3.1 General terms.6 3.2 Assemblies of switchgear and controlgear.8 3.3 Parts of assemblies.8 3.4 Switching devices.8 3.5 Parts of switchgear and contro
12、lgear.8 3.6 Operation.8 3.7 Characteristics quantities.8 4 Ratings.9 5 Design and construction.10 6 Type tests.11 6.1.1 Grouping of tests.12 6.5 Temperature-rise tests.12 7 Routine tests.13 8 Guide to the selection of HSES.14 9 Information to be given with enquiries,tenders and orders.14 10 Rules fo
13、r transport,storage,installation,operation and maintenance.14 11 Safety.14 Annex A(informative)Background information on the use of HSES.15 Annex B(informative)Induced current and voltage conditions for other cases.20 Figure 1 Explanation of a multi-phase auto-reclosing scheme.7 Figure 2-Timing char
14、t of HSES and CB.10 Figure A.1 Single-line diagram of a power system.15 Figure A.2 Timing chart of the HSESs in relation to the transmission line circuit-breakers.16 Figure A.3 Typical timing chart showing the time between fault initiation and a successful re-close of the transmission line circuit-b
15、reakers.17 Figure B.1-System condition to explain successive fault.20 Figure B.2 Example of waveforms of delayed current zero phenomena.21 Figure B.3 Typical test circuit for electromagnetic duty of a HSES with delayed current zero crossings.22 Figure B.4 typical test circuit for electrostatic duty
16、of HSES with delayed current zero crossings.23 Table 1-Standardized values of rated induced currents and voltages.10 Table A.1-Comparison of earthing switches.19 62271-112 IEC:2012 2 Table B.1-Preferred values for single-phase earth faults with delayed current zero phenomena in the presence of a successive fault.22 Table B.2 Preferred values for multi-phase earth faults in a double-circuit system.23 17A/998/CDV62271-112 IEC:2012 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HIGH-VOLTAGE SWITCHGE
