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U.S.NUCLEARREGULATORYCOMMISSIONREGULATORYRevisionIJune1996GUIDEOFFICEOFNUCLEARREGULATORYRESEARCHREGULATORYGUIDE1.153(DraftwasissuedasDG-1042)CRITERIAFORSAFETYSYSTEMSA.INTRODUCTIONAppendixA,GeneralDesignCriteriaforNuclearPowerPlants,to10CFRPart50,DomesticLicensingofProductionandUtilizationFacilities,contains,inpart,requirementsforthedesign,reliability,qualification,andtestabilityofsafetysystems.1ThefollowingGeneralDesignCriteria2areapplicabletothepower,instrumentation,andcontrolportionsofnuclearpowerplantsafetysystems.Criterion2,DesignBasesforProtectionAgainstNaturalPhenomena,requiressystemsimportanttosafetytobedesignedtowithstandtheeffectsofnaturalphenomenawithoutlossofcapabilitytoperformtheirsafetyfunctions.0Criterion4,EnvironmentalandDynamicEffectsDesignBases,requiressystemsimportanttosafetytobedesignedtoaccommodatetheeffectsofandtobecompatiblewiththeenvironmentalconditionsassociatedwithnormaloperation,maintenance,testing,andpostulatedaccidents.IThetermsafetysystemsissynonymouswithsafety-relatedsystems.Thegeneraldesigncriteriacoverstructures,systems,andcomponentsimportanttosafety.Thescopeofthisguideis,however,limitedtosafetysystems,whichareasubsetofsystemsimportanttosafety.2ForthefulltextoftheapplicableGeneralDesignCriteria,seeAppendixAto10CFRPart50.USNRCREGULATORYGUIDESRegulatoryGuidesareissuedtodescribeandmakeavailabletothepublicsuchinformationasmethodsacceptabletotheNRCstaffforimplementIngspecificpartsoftheCommission'sregulations,techniquesusedbythestaffInevaluatingspecificproblemsorpostulatedaccidents,anddataneededbytheNRCstaffinItsreviewofapplicationsforpermitsandlicenses.Regulatoryguidesarenotsubstitutesforregulations,andcompliancewiththemIsnotrequired.MethodsandsolutionsdifferentfromthosesetoutintheguideswillbeacceptableiftheyprovideabasisforthefindingsrequisitetotheissuanceorcontinuanceofapermitorlicensebytheCommission.ThisguidewasIssuedafterconsiderationofcommentsreceivedfromthepublic.CommentsandsuggestionsforImprovementsintheseguidesareencouragedatalltimes,andguideswillberevised,asappropriate,toaccommodatecommentsandtoreflectnewinformationorexperience.*Criterion5,SharingofStructures,Systems,andComponents,requiresthatcertainstructures,systems,andcomponentsimportanttosafetynotbesharedamongnuclearpowerunitsunlessitcanbeshownthatsuchsharingwillnotsignificantlyimpairtheirabilitytoperformtheirsafetyfunctions.*Criterion10,ReactorDesign,requiresprotectionsystemstobedesignedwithmarginstoensurethatfueldesignlimitsarenotexceeded.*Criterion12,SuppressionofReactorPowerOscillations,requiresprotectionsystemstobedesignedtopreventordetectandsuppresspoweroscillationsthatcanresultinconditionsexceedingfueldesignlimits.*Criterion13,InstrumentationandControl,requiresthatinstrumentationbeprovidedtomonitorvariablesandsystemsovertheiranticipatedrangesfornormaloperation,anticipatedoperationaloccurrences,andaccidentconditionstoassureadequatesafety.Appropriatecontrolsmustbeprovidedtomaintainvariablesandsystemswithinprescribedoperatingranges.0Criterion15,ReactorCoolantSystemDesign,requiresthatthereactorcoolantsystemandassociatedauxiliary,control,andprotectionsystemsbedesignedwithsufficientmargintoensurethatthedesignconditionsofthereactorcoolantpressureboundaryarenotexceededduringanyWrittencommentsmaybesubmittedtotheRulesReviewandDirectivesBranch,DFIPS,ADM,U.S,NuclearRegulatoryCommission,Washington,DC20555-0001.Theguidesareissuedinthefollowingtenbroaddivisions:1.PowerReactors6.Products2,ResearchandTestReactors7.Transportation3.FuelsandMaterialsFacilities8.OccupationalHealth4.EnvironmentalandSiting9.AntitrustandFinancialReview5.MaterialsandPlantProtection10.GeneralSinglecopiesofregulatoryguidesmaybeobtainedfreeofchargebywritingtheOfficeofAdministration,Attention:DistributionandServicesSection,U.S.NuclearRegulatoryCommission,Washington,DC20555-0001;orbyfaxat(301)415-2260.IssuedguidesmayalsobepurchasedfromtheNationalTechnicalInformationServiceonastandingorderbasis.DetailsonthisservicemaybeobtainedbywritingNTIS,5285PortRoyalRoad,Springfield,VA22161.conditionofnormaloperation,includinganticipatedoperationaloccurrences.*Criterion17,ElectricPowerSystems,requireselectricpowersystemstobeprovidedtopermitfunctioningofstructures,systems,andcomponentsimportanttosafety.Criterion18,InspectionandTestingofElectricPowerSystems,requiresthatelectricpowersystemsimportanttosafetybedesignedtopermitperiodicinspectionandtestingofsuchsystemsforoperabilityandfunctionalperformance.*Criterion20,ProtectionSystemFunctions,requiresaprotectionsystemtosenseaccidentconditionsandinitiateoperationofsystemsimportanttosafetytoensurethatacceptablefueldesignlimitsarenotexceeded.*Criterion21,ProtectionSystemReliabilityandTestability,requirestheprotectionsystemtobedesignedwithhighfunctionalreliabilityandinservicetestability.Thiscriterionalsorequiresredundancyandindependencesufficienttoprovideprotectionagainstsinglefailuresandlossofredundancy,exceptwherejustified,intheeventequipmentisremovedforservice.On-linetestingisrequired.0--Criterion22,ProtectionSystemIndependenc
本文标题:RG1.153 安全系统准则 1996
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