1、FORM CDV(IEC)2009-01-09 Registered trademark of the International Electrotechnical Commission 38/404/CDVCOMMITTEE DRAFT FOR VOTE(CDV)PROJET DE COMIT POUR VOTE(CDV)Project number IEC 61869-2 Ed.1.0 Numro de projet IEC/TC or SC:38 CEI/CE ou SC:Secretariat/Secrtariat Italy Submitted for parallel voting
2、 in CENELEC Soumis au vote parallle au CENELEC Date of circulation Date de diffusion 2010-10-22 Closing date for voting(Voting mandatory for P-members)Date de clture du vote(Vote obligatoire pour les membres(P)2011-03-25 Also of interest to the following committees Intresse galement les comits suiva
3、nts TC13,TC85,TC95,TC99 Supersedes document Remplace le document 38/357A/CD 38/361B/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,
4、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
5、 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 I
6、NVITED TO SUBMIT,WITH THEIR COMMENTS,NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION.Titre:CEI 61869 Ed.1:TRANSFORMATEURS DE MESURE-Partie 2:Transformateurs de courant Title:IEC 61869 Ed.1:INSTRUMENT TRANSFORMERS-Part 2:Current Transformers
7、Note dintroduction Introductory note 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
8、 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 th
9、e CENELEC online voting system.Copyright 2010 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 f
10、ile or printed version of the document,or any part of it,for any other purpose without permission in writing from IEC.61869-2 ed.1 IEC 38/404/CDV-2-1 IEC 61869-2 2 3 INSTRUMENT TRANSFORMERS 4 5 Part 2:Current Transformers 6 61869-2 ed.1 IEC 38/404/CDV-3-CONTENTS 7 FOREWORD.-10-8 INTRODUCTION.-11-9 1
11、 Scope.-13-10 2 Normative references.-13-11 3 Definitions.-13-12 3.1 General definitions.-13-13 3.1.1 Instrument transformer.-13-14 3.1.2 Enclosure.-13-15 3.1.3 Primary terminals.-13-16 3.1.4 Secondary terminals.-13-17 3.1.5 Secondary circuit.-13-18 3.1.6 Section.-13-19 3.1.200 Current transformer.-
12、13-20 3.1.201 Measuring current transformer.-13-21 3.1.202 Protective current transformer.-13-22 3.1.203 Class PR protective current transformer.-14-23 3.1.204 Class PX protective current transformer.-14-24 3.1.205 Class TPX protective current transformer for transient performance.-14-25 3.1.206 Cla
13、ss TPY protective current transformer for transient performance.-14-26 3.1.207 Class TPZ protective current transformer for transient performance.-14-27 3.1.208 Multi-ratio current transformer.-14-28 3.2 Definitions related to dielectric ratings.-15-29 3.2.1 Highest voltage for system(Usys).-15-30 3
14、.2.2 Highest voltage for equipment(Um).-15-31 3.2.3 Rated insulation level.-15-32 3.2.4 Isolated neutral system.-15-33 3.2.5 Resonant earthed system(a system earthed through an arc-34 suppression coil).-15-35 3.2.6 Earth fault factor.-15-36 3.2.7 Earthed neutral system.-15-37 3.2.8 Solidly earthed n
15、eutral system.-15-38 3.2.9 Impedance earthed neutral system.-15-39 3.2.10 Exposed installation.-15-40 3.2.11 Non-exposed installation.-15-41 3.3 Definitions related to current ratings.-15-42 3.3.200 Rated primary current(Ipr).-15-43 3.3.201 Rated secondary current(Isr).-15-44 3.3.202 Rated short-tim
16、e thermal current(Ith).-15-45 3.3.203 Rated dynamic current(Idyn).-15-46 3.3.204 Rated continuous thermal current(Icth).-15-47 3.3.205 Exciting current(Ie).-15-48 3.4 Definitions related to accuracy.-16-49 3.4.1 Actual transformation ratio(k).-16-50 3.4.2 Rated transformation ratio(kr).-16-51 3.4.3 Ratio error().-16-52 61869-2 ed.1 IEC 38/404/CDV-4-3.4.4 Phase displacement().-16-53 3.4.5 Accuracy class.-16-54 3.4.6 Burden.-16-55 3.4.7 Rated burden.-16-56 3.4.8 Rated output(Sr).-16-57 3.4.200 Rat
