广东大亚湾核电站厂用电力系统可靠性分析

:1996209206:1997202208315Vol.31,No.519979AtomicEnergyScienceandTechnologySep.1997(,,102413),(GNPP)616kV(LHA)220V(LNE)125V(LBA)SETS900MW200,,1,2:1,(CRM);1,[1],,,616kVLHA220VLNE125VLBA1(GNPP)[2],12,26kV26kV,26kV,;,(LHPöLHQ)AB(LG3)(LHAöLHB);(380V220V)380VLK3LL3LK3,LK3LG3©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.,ALHA,,;BLHB,220VLM3LN3LM3LN3,LNALNBLNCLND4,LLALLBLLCLLDLNEA1Fig.1Theschemeofelectricpowersystem,230V,LAA(230V)LB3(125V)LC3(48V)LDA(30V),(380V),,,,1h,48V125V48V,125V616kV616kV380V03431©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.,,:1);2)24h;3),;4),;5),;6)T4T4=1T4=02;7),1345:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.;8)3311,90kW200[3],0105GNPS,()013,016312SETS[4]1,LHA21Table1Theunavailabilitiesofbusesandthedominantcutsetsö%LHA(T4=1,316410-2)1312410-2DG2289.0231010-3DG228123514010-4DG22115LHA(T4=0,6172510-5)1510410-5LHA75.0251443210-6DG2LGB8.0351443210-6DG2LHALGB8.0431704410-6DG2LHA001JA515LNE(1125510-4)1612410-5LNE49172612410-5LAA4917LBA(2188710-5)1218810-5LBA9917,LHA,T4=1,:DGDGDGDG2289%,DG22812%T4=1,DGLHAT4=0,LHADGLGBLHALGBLHA001JALHA75%,DG2LGBDG223431©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.%,,T4=0,2LHATable2TheunavilabilityofLHAunderdifferentpowersourcesö%216010-3119210-374118010-3812210-346215910-3116410-363LNELNELAA,4917%;LBA,9917%,,,2,LHA,,LHA,,,4GNPS616kV(LHA)220V(LNE)125V(LBA),(1)T4=1,616kVLHA316410-2,DG22,89%;T4=0,LHA6172510-5,LHA,75%,(2)LNELBA1125510-42188710-5,,4917%9917%,(3),PSA,,,111,1994,15(6):4861211:,19941100813BarsG,BertrandR,BerlinA,etal.EPS2900AProbabilisticSafetyAssessmentoftheStandard3345:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:MainReport.FrenchNuclearSafetyandProtectionInsti2tute,1990.4WorrellRB.ASETSUsers’ManualfortheFaultTreeAnalyst:NUREGöCR20465.1978.RELIABILITYANALYSISFORTHEELECTRICPOWERSYSTEMOFGUANGDONGNUCLEARPOWERPLANTChenHaiyanLiXiaohuaKeGuotu(ChinaInstituteofAtomicEnergy,P.O.Box275259,Beijing,102413)ABSTRACTAreliabilityanalysisfortheelectricpowersystemofGuangdongnuclearpowerplantismadebasedonthesystemfaulttreeapproach.Threekindsoftopeventinthesystemfaulttreeareanalyzed.Theyare:(1)powersupplyfailureofessentialbusLHA,(2)failureofAC220VbusLNEand(3)failureofDC125VbusLBA.BasedonthecomponentfailureratesofthestandardFrench900MWpressurizedwaterreactor,theunavilabilitiesofLHALNEandLBAbusesareevaluatedusingSETScodeandthedominantcutsetsforeachbusfailureareobtainedandanalyzed.KeywordsElectricpowersystemReliabilityFaulttreeTopeventMinimalcutsetXDiffuseScatteringofX-RaysandNeutronbyFluctuations:Krivoglaz,M.A.1996X,:123X443431©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.