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DraftedCheckedReviewedApprovedAFANGCHENGGANGNUCLEARPOWERPLANTPHASEI(2x1000MW)文件編碼DOC. 控制棒驅(qū)構(gòu)風(fēng)冷系統(tǒng)手冊SystemManual-Chapter6.6,6.7Operatingprincipleandsupply Project文件類型Sub-ItemEngineeringCBA:√B:C: 中廣核工程設(shè)計(jì)NationalAgradeengineeringCertificationNO: NationalAgradeengineeringCertificationNO:編碼InternalCP0905-YK-GN-ThisisthepropertyofCNPDCItmustnotbeused、reproduced、transmittedordisclosedwithoutthepriorwrittenpermissionofCNPDC本文件之屬于中廣核工程設(shè)REVISION版日狀編Drafted校Checked審Reviewed批Approved修改—說明Modification-FANGCHENGGANGNUCLEARPOWERPLANTPHASEI(2x1000MW)控制棒驅(qū)構(gòu)風(fēng)冷系統(tǒng)手RRM-ControlRodDriveMechanismVentilationSystemManual6.6，6.7章操作原則和動力源故障Chapter6.6,6.7OperatingPrincipleandSupplyFailure AUGUST29,文件修改記錄版日章頁修改范圍及依據(jù)A圖OPERATING Incident Controlroom POWERSUPPLYFAILURE Lossof110VDCpowersupply(one Lossof220VACpowersupply(one Lossof380VACpowersupply(one Lossofoffsite OPERATINGTheRRMsystemisinitiatedbyremotecontrolpriortoreactorstartupandhandling,ifany,ofthecontrolrods.Themanualisolationdampers,controlledlocally,arenormallyopen.TheRRIsystemprovidesacontinuoussupplytocoolingcoils.Theoperatorstartsuponefanoneachelectricaltrain.Thesecondofthetwofansisstarteduplessthan30s.afterthesoastoavoidthealarm“airflowbelow70600Duringnormaloperation,theshutdownofafaninvolvestheautomaticstartupofthestandbyfan(signaledbyKICselectorcommand,andbythe“unavailable”informationonKIC).Aftertherodshavebeendroppedandtheresidualheatdissipated,whentheairtemperaturesatthemechanismsinletandoutletareequal(comparisonbetween016MTontheEVRsystemand001MTonRRM),theoperatormayshutdowntheoperatingfansbyremotecontrol.Asforthestartup,theshutdownofthetwofansshallbecarriedoutinlessthan30s.sotoavoidthealarm“airflowbelow70600m3/h”.DieselgeneratorsetIfloadrestorationis plishedcorrectlyonbothdieselgeneratorsets,twofansareautomaticallystartedupatthe10s.detent.Initialconditionscanberesumedbyinterveningontheselectorcommandsofeachtrain.LossofaIncaseofalossofonetrainindicatedLowairflowratealarm(70600m3/h)associatedwithdiscrepancyAiroutlethightemperaturealarm(chillerunitThesecondfanoftheothertrainmustbestartedupmanuallywithin12ControlroomIncaseoffireincontrolroom,fansoperationiscontrolledfromtheemergencyshutdownpanel.POWERSUPPLY Lossof110VDCpowersupply(oneTheassociatedfancontactorsarenolongeravailable(alarminthecontrolroomandbyKIC).Thefansdbythestandbytrainshallbestarted.Returnof110VDCNoconsequenceonfans,the eagainLossof220VACpowersupply(oneTheactuatorsremainintheiroriginalpositionatthemomentoftheincident.Automaticandremotecontrolstartuparenolongerpossible.Thefansmaybestartedorshutdownbymeansofatestloop.Thesecond220VACtrainisavailable.Returnof220VACNoconsequenceonfans,buttheremotecontrolandautomaticcontrolcircuitry eagainavailable.Lossof380VACpowersupply(oneTheconsequencesareidenticaltothoseofalossofthe110VDCsupplythefanssbythestandbytrainshallbestarted.Returnof380VACsupplyNoconsequenceonfans.LossofoffsiteThefansaredbyemergencybackedupManualstartup