IEC TR 61660-3-2000 Short-circuit currents in d.c auxiliary installations in power plants and substations - Part 3 Examples of calculations《电厂与变电站直流辅助设施中的短路电流 第3部分 计算举例》.pdf

1、RAPPORT TECHNIQUE CEI IEC TECHNICAL REPORT TR616603 Premiredition Firstedition 200002 Courantsdecourtcircuitdanslesinstallations auxiliairesalimentesencourantcontinu danslescentralesetlespostes Partie3: Exemplesdecalculs Shortcircuitcurrentsind.c.auxiliaryinstallations inpowerplantsandsubstations Pa

2、rt3: Examplesofcalculations Numroderfrence Referencenumber IEC/TR616603:2000Numrosdespublications Depuisle1erjanvier1997,lespublicationsdelaCEI sontnumrotespartirde60000. Publicationsconsolides Lesversionsconsolidesdecertainespublicationsde laCEIincorporantlesamendementssontdisponibles. Parexemple,l

3、esnumrosddition1.0,1.1et1.2 indiquentrespectivementlapublicationdebase,la publicationdebaseincorporantlamendement1,etla publicationdebaseincorporantlesamendements1 et2. Validitdelaprsentepublication LecontenutechniquedespublicationsdelaCEIest constammentrevuparlaCEIafinquilreflteltat actueldelatechn

4、ique. Desrenseignementsrelatifsladatedereconfir mationdelapublicationsontdisponiblesdansle CataloguedelaCEI. Lesrenseignementsrelatifsdesquestionsltudeet destravauxencoursentreprisparlecomittechnique quiatablicettepublication,ainsiquelalistedes publicationstablies,setrouventdanslesdocumentsci dessou

5、s: SitewebdelaCEI* CataloguedespublicationsdelaCEI Publiannuellementetmisjour rgulirement (Catalogueenligne)* BulletindelaCEI DisponiblelafoisausitewebdelaCEI* etcommepriodiqueimprim Terminologie,symbolesgraphiques etlittraux Encequiconcernelaterminologiegnrale,lelecteur sereporteralaCEI60050: Vocab

6、ulaireElectro techniqueInternational (VEI). Pourlessymbolesgraphiques,lessymboleslittraux etlessignesdusagegnralapprouvsparlaCEI,le lecteurconsulteralaCEI60027: Symboleslittraux utiliserenlectrotechnique,laCEI60417:Symboles graphiquesutilisablessurlematriel.Index,relevet compilationdesfeuillesindivi

7、duelles, etlaCEI60617: Symbolesgraphiquespourschmas. * Voiradressesitewebsurlapagedetitre. Numbering Asfrom1January1997allIECpublicationsare issuedwithadesignationinthe60000series. Consolidatedpublications ConsolidatedversionsofsomeIECpublications includingamendmentsareavailable.Forexample, editionn

8、umbers1.0,1.1and1.2refer,respectively,to thebasepublication,thebasepublicationincor poratingamendment1andthebasepublication incorporatingamendments1and2. Validityofthispublication ThetechnicalcontentofIECpublicationsiskept underconstantreviewbytheIEC,thusensuringthat thecontentreflectscurrenttechnol

9、ogy. Informationrelatingtothedateofthereconfirmation ofthepublicationisavailableintheIECcatalogue. Informationonthesubjectsunderconsiderationand workinprogressundertakenbythetechnical committeewhichhaspreparedthispublication,aswell asthelistofpublicationsissued,istobefoundatthe followingIECsources:

10、IECwebsite* CatalogueofIECpublications Publishedyearlywithregularupdates (Onlinecatalogue)* IECBulletin AvailablebothattheIECwebsite*and asaprintedperiodical Terminology,graphicalandletter symbols Forgeneralterminology,readersarereferredto IEC60050:InternationalElectrotechnicalVocabulary (IEV). Forg

11、raphicalsymbols,andlettersymbolsandsigns approvedbytheIECforgeneraluse,readersare referredtopublicationsIEC60027: Lettersymbolsto beusedinelectricaltechnology ,IEC60417: Graphical symbolsforuseonequipment.Index,surveyand compilationofthesinglesheets andIEC60617: Graphicalsymbolsfordiagrams. * Seeweb

12、siteaddressontitlepage.RAPPORT TECHNIQUE CEI IEC TECHNICAL REPORT TR616603 Premiredition Firstedition 200002 Courantsdecourtcircuitdanslesinstallations auxiliairesalimentesencourantcontinu danslescentralesetlespostes Partie3: Exemplesdecalculs Shortcircuitcurrentsind.c.auxiliaryinstallations inpower

13、plantsandsubstations Part3: Examplesofcalculations Commission Electrotechnique Internationale InternationalElectrotechnicalCommission Pourprix,voircatalogueenvigueur Forprice,seecurrentcatalogue IEC2000Droitsdereproductionrservs Copyrightallrightsreserved Aucunepartiedecettepublicationnepeuttrerepro

14、duiteni utilisesousquelqueformequecesoitetparaucunprocd, lectroniqueoumcanique,ycomprislaphotocopieetles microfilms,sanslaccordcritdelditeur. Nopartofthispublicationmaybereproducedorutilizedin anyformorbyanymeans,electronicormechanical, includingphotocopyingandmicrofilm,withoutpermissionin writingfr

15、omthepublisher. InternationalElectrotechnicalCommission 3,ruedeVarembGeneva,Switzerland Telefax:+41229190300 email:inmailiec.ch IECwebsitehttp:/www.iec.ch CODEPRIX PRICECODE X2 TR616603CEI:2000 SOMMAIRE Pages AVANTPROPOS. .4 Articles 1 Gnralits 8 1.1 Domainedapplicationetobjet 8 1.2 Documentsderfren

16、ce.8 1.3 Dfinitions,symbolesetindices,etquations8 2 Installationalimenteencourantcontinuetdonnessurlematriel10 3 Calculducourantdecourtcircuit .12 3.1 EmplacementducourtcircuitF1 .12 3.2 EmplacementducourtcircuitF2 .26 3.3 EmplacementducourtcircuitF3 .40 3.4 EmplacementducourtcircuitF4 .54 4 Calculd

17、eseffetsmcaniquesetthermiques.72 4.1 Effetsmcaniques72 4.2 Effetsthermiques.88 AnnexeAFacteurdecorrection s j pourlescourantsdecourtcircuitpartielsenF3 delafigure1. . 92 Figure1Installationalimenteen220Vcontinuetemplacementsdescourtcircuits F1.F4Donneslectriquesconcernantlematriel . 10 Figure2Couran

18、tsdecourtcircuitpartielsetcourantdecourtcircuit i k (t) lemplacementducourtcircuitF1(voirfigure1) 24 Figure3Courantsdecourtcircuitpartielscorrigs,etcourantdecourtcircuit i k (t) lemplacementducourtcircuitF2(voirfigure1) 38 Figure4Courantsdecourtcircuitpartiels,corrigs,etcourantdecourtcircuit i k (t)

19、 lemplacementducourtcircuitF3(voirfigure1) 52 Figure5Courantsdecourtcircuitpartielscorrigs,etcourantsdecourtcircuit i k (t) enL1etlemplacementducourtcircuitF4(voirfigure1). 70 Figure6Dispositiondesconducteursetdeslmentsderenfort 72 FigureA.1Schmapourlecalculde s j danslecasdeF3selonlafigure1. 92 Tab

20、leau1CourantsdecourtcircuitenF1 . 22 Tableau2Rsistances R ij et R resj34 Tableau3CourantsdecourtcircuitpartielsetcourantdecourtcircuittotalenF2 36 Tableau4CourantsdecourtcircuitpartielsetcourantdecourtcircuitenF3 48 Tableau5Rsistances R ij et R resj62 Tableau6Courantsdecourtcircuitpartielsetcourants

21、decourtcircuittotalenL1etF4. 64TR616603IEC:2000 3 CONTENTS Page FOREWORD .5 Clause 1 General9 1.1 Scopeandobject9 1.2 Referencedocuments .9 1.3 Definitions,symbols,subscriptsandequations 9 2 DCinstallationanddataoftheequipment.11 3 Shortcircuitcurrentcalculation 13 3.1 ShortcircuitlocationF1 13 3.2

22、ShortcircuitlocationF2 27 3.3 ShortcircuitlocationF3 41 3.4 ShortcircuitlocationF4 55 4 Calculationofthemechanicalandthermaleffects.73 4.1 Mechanicaleffects.73 4.2 Thermaleffect .89 AnnexACorrectionfactor s j forthepartialshortcircuitcurrentsinF3offigure1 . 93 Figure1220Vd.c.installationandshortcirc

23、uitlocationsF1.F4Electrical equipmentdata. 11 Figure2Partialshortcircuitcurrentsandshortcircuitcurrent i k (t)attheshortcircuit locationF1(seefigure1) . 25 Figure3Partialshortcircuitcurrents,corrected,andshortcircuitcurrent i k (t)at theshortcircuitlocationF2(seefigure1) 39 Figure4Partialshortcircui

24、tcurrents,corrected,andshortcircuitcurrent i k (t)at theshortcircuitlocationF3(seefigure1) 53 Figure5Partialshortcircuitcurrents,corrected,andshortcircuitcurrents i k (t)inL1 andattheshortcircuitlocationF4(seefigure1) . 71 Figure6Arrangementofconductorsandstiffeningelements. 73 FigureA.1Schemeforthe

25、calculationof s j inthecaseofF3infigure1 . 93 Table1ShortcircuitcurrentsinF1. 23 Table2 R ij and R resj resistances 35 Table3PartialshortcircuitcurrentsandtotalshortcircuitcurrentinF2 37 Table4PartialshortcircuitcurrentsandshortcircuitcurrentinF3 49 Table5 R ij and R resj resistances 63 Table6Partia

26、lshortcircuitcurrentsandtotalshortcircuitcurrentsinL1andF4 . 654 TR616603CEI:2000 COMMISSIONLECTROTECHNIQUEINTERNATIONALE _ COURANTSDECOURTCIRCUITDANSLESINSTALLATIONS AUXILIAIRESALIMENTESENCOURANTCONTINU DANSLESCENTRALESETLESPOSTES Partie3:Exemplesdecalculs AVANTPROPOS 1) LaCEI(Commissionlectrotechn

27、iqueInternationale)estuneorganisationmondialedenormalisationcompose delensembledescomitslectrotechniquesnationaux(ComitsnationauxdelaCEI).LaCEIapourobjetde favoriserlacooprationinternationalepourtouteslesquestionsdenormalisationdanslesdomainesde llectricitetdellectronique.Aceteffet,laCEI,entreautres

28、activits,publiedesNormesinternationales.Leur laborationestconfiedescomitsdtudes,auxtravauxdesquelstoutComitnationalintressparlesujet traitpeutparticiper.Lesorganisationsinternationales,gouvernementalesetnongouvernementales,enliaison aveclaCEI,participentgalementauxtravaux.LaCEIcollaboretroitementave

29、clOrganisationInternationale deNormalisation(ISO),selondesconditionsfixesparaccordentrelesdeuxorganisations. 2) LesdcisionsouaccordsofficielsdelaCEIconcernantlesquestionstechniquesreprsentent,danslamesuredu possible,unaccordinternationalsurlessujetstudis,tantdonnquelesComitsnationauxintressssont rep

30、rsentsdanschaquecomitdtudes. 3) Lesdocumentsproduitsseprsententsouslaformederecommandationsinternationales.Ilssontpubliscomme normes,spcificationstechniques,rapportstechniquesouguidesetagrscommetelsparlesComitsnationaux. 4) Danslebutdencouragerlunificationinternationale,lesComitsnationauxdelaCEIseng

31、agentappliquerde faontransparente,danstoutelamesurepossible,lesNormesinternationalesdelaCEIdansleursnormes nationalesetrgionales.ToutedivergenceentrelanormedelaCEIetlanormenationaleourgionale correspondantedoittreindiqueentermesclairsdanscettedernire. 5) LaCEInafixaucuneprocdureconcernantlemarquagec

32、ommeindicationdapprobationetsaresponsabilit nestpasengagequandunmatrielestdclarconformelunedesesnormes. 6) Lattentionestattiresurlefaitquecertainsdeslmentsduprsentrapporttechniquepeuventfairelobjetde droitsdepropritintellectuelleoudedroitsanalogues.LaCEInesauraittretenuepourresponsabledenepas avoiri

33、dentifidetelsdroitsdepropritetdenepasavoirsignalleurexistence. LatcheprincipaledescomitsdtudesdelaCEIestllaborationdesNormesinternationales. Toutefois,uncomitdtudespeutproposerlapublicationdunrapporttechniquelorsquila runidesdonnesdenaturediffrentedecellesquisontnormalementpubliescommeNormes interna

34、tionales,celapouvantcomprendre,parexemple,desinformationssurltatdela technique. Unrapporttechniquenedoitpasncessairementtrervisavantquelesdonnesquilcontient nesoientplusjugesvalablesouutilesparlegroupedemaintenance.TR616603IEC:2000 5 INTERNATIONALELECTROTECHNICALCOMMISSION _ SHORTCIRCUITCURRENTSINDC

35、AUXILIARYINSTALLATIONS INPOWERPLANTSANDSUBSTATIONS Part3:Examplesofcalculations FOREWORD 1) TheIEC(InternationalElectrotechnicalCommission)isaworldwideorganizationforstandardizationcomprising allnationalelectrotechnicalcommittees(IECNationalCommittees).TheobjectoftheIECistopromote internationalcoope

36、rationonallquestionsconcerningstandardizationintheelectricalandelectronicfields.To thisendandinadditiontootheractivities,theIECpublishesInternationalStandards.Theirpreparationis entrustedtotechnicalcommittees;anyIECNationalCommitteeinterestedinthesubjectdealtwithmay participateinthispreparatorywork.

37、International,governmentalandnongovernmentalorganizationsliaising withtheIECalsoparticipateinthispreparation.TheIECcollaboratescloselywiththeInternationalOrganization forStandardization(ISO)inaccordancewithconditionsdeterminedbyagreementbetweenthetwoorganizations. 2) Theformaldecisionsoragreementsof

38、theIEContechnicalmattersexpress,asnearlyaspossible,aninternational consensusofopinionontherelevantsubjectssinceeachtechnicalcommitteehasrepresentationfromall interestedNationalCommittees. 3) Thedocumentsproducedhavetheformofrecommendationsforinternationaluseandarepublishedintheformof standards,techn

39、icalspecifications,technicalreportsorguidesandtheyareacceptedbytheNationalCommittees inthatsense. 4) Inordertopromoteinternationalunification,IECNationalCommitteesundertaketoapplyIECInternational Standardstransparentlytothemaximumextentpossibleintheirnationalandregionalstandards.Anydivergence betwee

40、ntheIECStandardandthecorrespondingnationalorregionalstandardshallbeclearlyindicatedinthe latter. 5) TheIECprovidesnomarkingproceduretoindicateitsapprovalandcannotberenderedresponsibleforany equipmentdeclaredtobeinconformitywithoneofitsstandards. 6) Attentionisdrawntothepossibilitythatsomeoftheelemen

41、tsofthistechnicalreportmaybethesubjectofpatent rights.TheIECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. ThemaintaskofIECtechnicalcommitteesistoprepareInternationalStandards.However,a technicalcommitteemayproposethepublicationofatechnicalreportwhenithascollecteddata ofadifferentk

42、indfromthatwhichisnormallypublishedasanInternationalStandard,for example“stateoftheart“. Technicalreportsdonotnecessarilyhavetoberevieweduntilthedatatheyprovideare consideredtobenolongervalidorusefulbythemaintenanceteam.6 TR616603CEI:2000 LaCEI616603quiestunrapporttechnique,attablieparlecomitdtudes73delaCEI: Courantsdecourtcircuit. CerapporttechniquedoittreutilisconjointementaveclaCEI616601etlaCEI