1、NORME INTERNATIONALECEIINTERNATIONAL STANDARDIEC146-5Premiere editionCommission Electrotechnique InternationaleFirst edition1988International Electrotechnical CommissionMemAyHapoAHaR OneKTpOTeXHecKaR HOMHCCHAConvertisseurs a semiconducteursCinquieme partie:Interrupteurs pour alimentationssans interr
2、uption(Interrupteurs dASI)Semiconductor convertorsPart 5:Switches for uninterruptible power systems(UPS switches)受付90.12.25情报0Publication146-5:1988NORME INTERNATIONALECEI0INTERNATIONAL STANDARDIEC146-5Premiere editionCommission Electrotechnique InternationaleFirst edition1988International Electrotec
3、hnical CommissionMeAyHapo HaR OnekTpoTexHnyeckaR KoMHCCHAConvertisseurs a semiconducteursCinquieme partie:Interrupteurs pour alimentationssans interruption(Interrupteurs dASI)0Semiconductor convertorsPart 5:Switches for uninterruptible power systems(UPS switches)CEI 1988 Droits de reproduction reser
4、ves-Copyright-all rights reservedAucune partie de cette pubicanon ne peut etre reproduite ni utilisee sous quelque No part of this publicaton may be reproduced or utized in any lommor by any meanslorme que ce soit et par aucun procede.lectronique ou mecanique.ycompris taelectronic or mechanical,incl
5、uding photocopyng and microfim,wthout permissonphotocope et les mcrofilms.sans Iaccord cnit de lediteur.in wniting from the publisher.Bureau Central de la Commission Electrotechnique Internationale 3,rue de Varembe Geneve,SuisseCode prixPrice code18Pour prix.voir catalogue en vigueFor price,see curr
6、ent catalogue146-5(1)1EC-3-CONTENTSPageFOREWORD5PREFACE.5Clause1.Scope72.Object73.Terms and definitions.74.Service conditions for UPS switches.134.1 Usual service conditions.134.2 Service conditions to be identified by the purchaser.134.3 Equipment performance requirements to be identifiedby the pur
7、chaser.135.Rated values and performance.1505,1 General.、.155.2 UPS switches(except transfer switches).155.3 Transfer switches.176.Testing of UPS switches.176.1 General.176.2 Testing schedule.196.3 Test specifications.19APPENDIX A-Abbreviations and symbols.25APPENDIX B Explanation of UPS switch defin
8、itions.29146-5(1)1EC-5-INTERNATIONAL ELECTROTECHNICAL COMMISSIONSEMICONDUCTOR CONVERTORSPart 5:Switches for uninterruptible power systems(UPS switches)FOREWORD1)The formal decisions or agreements of the IEc on technical matters,prepared by TechnicalCommittees on.which all the Netional Committees hav
9、ing a special interest therein arerepresented,express,as nearly as possible,an international consensus of opinion on thesubjects dealt with.2)They have the form of recommendations for international use and they are accepted by theNational Committees in that sense.3)In order to promote international
10、uification,the IEc expresses the wish that.allNational Committees should adopt the text of the IEc recommendation for their nationalrules in so far as national conditions will permit.Any divergence between the IEc recom-mendation and the corresponding national rules should,as far as possible,be clea
11、rlyindicated in the latter.PREFACEThis standard has been prepared by Sub-Committee 22B:Semiconductor0convertors,of IEC Technical Committee No.22:Power electronics.The text of this standard is based on the following documents:Six MonthsRuleReport on Voting22B1C0)5122B(C0J52Full information on the vot
12、ing for the approval of this standard can befound in the Voting Report indicated in the above table.The following IEC publications are quoted in this standard:Publications Nos.50(441)(1984):International Electrotechnical Vocabulary(IEV),Chapter 441:Switchgear,controlgear and fuses.50(551)(1982):Chap
13、ter 551:Power electronics.146-1-1(under consideration):Semiconductor convertors,Part 1:General requirements andline-commutated convertors Specification of basicrequirements.146-1-2(under consideration):Part 2:General requirements and line-commutatedconvertors Application guide.146-4(1986):Part 4:Met
14、hod of specifying the performance and testrequirements of uinterruptible power systems.617-7(1983):Graphical symbols for diagrams,Part 7:Switchgear,controlgear and protective devices.146-5(1)1EC-7-SEMICONDUCTOR CONVERTORSPart 5:Switches for uninterruptible power systems(UPS switches)1.ScopeThis stan
15、dard gives the method of specifying all power switches thatform integral parts of a UPS and are associated with its output.Included are interrupters,bypass switches,isolating switches,loadtransfer switches and tie switches.These switches interact with otherfunctional units of the UPS to maintain con
16、tinuity of load power.This standard does not refer to conventional mains distributionboards,rectifier input switches or d.c.switches(e.g.for batteries,rectifier output or inverter input,etc.)2.ObjectThis standard is intended to be used in conjunction with IEC Publi-cation 146-4.Refer to IEC Publicat
17、ion 146-4 for additional definitions and forinformation on UPS.Also refer to IEV Chapter 551 of the InternationalElectrotechnical Vocabulary(IEV)IEC Publication 50(551).3.Terms and definitions3.1 UPS switchSwitch(quenched,line-commutated or self-commutated electronic ormechanical,depending on requir
18、ed continuity of load power)used toconnect/isolate UPS or bypass to/from load.3.2 Electronic power switchOperative unit for electronic power switching comprising at least oneelectronic controllable valve device.3.3 Mechanical UPS power switch(IEV 441-14-10,title modified)A mechanical switching device capable of making,carrying andbreaking currents under normal circuit conditions which may includespecified operating overload conditions and also carrying for a spe-cified time currents under specified abnormal circuit conditions such asthose of short-circuit.
