RG1.180 安全相关仪控系统中电磁和无线频率干涉的评价导则 2003

RegulatoryguidesareissuedtodescribeandmakeavailabletothepublicsuchinformationasmethodsacceptabletotheNRCstaffforimplementingspecificpartsoftheNRC’sregulations,techniquesusedbythestaffinevaluatingspecificproblemsorpostulatedaccidents,anddataneededbytheNRCstaffinitsreviewofapplicationsforpermitsandlicenses.Regulatoryguidesarenotsubstitutesforregulations,andcompliancewiththemisnotrequired.MethodsandsolutionsdifferentfromthosesetoutintheguideswillbeacceptableiftheyprovideabasisforthefindingsrequisitetotheissuanceorcontinuanceofapermitorlicensebytheCommission.Thisguidewasissuedafterconsiderationofcommentsreceivedfromthepublic.Commentsandsuggestionsforimprovementsintheseguidesareencouragedatalltimes,andguideswillberevised,asappropriate,toaccommodatecommentsandtoreflectnewinformationorexperience.WrittencommentsmaybesubmittedtotheRulesandDirectivesBranch,ADM,U.S.NuclearRegulatoryCommission,Washington,DC20555-0001.Regulatoryguidesareissuedintenbroaddivisions:1,PowerReactors;2,ResearchandTestReactors;3,FuelsandMaterialsFacilities;4,EnvironmentalandSiting;5,MaterialsandPlantProtection;6,Products;7,Transportation;8,OccupationalHealth;9,AntitrustandFinancialReview;and10,General.Singlecopiesofregulatoryguides(whichmaybereproduced)maybeobtainedfreeofchargebywritingtheDistributionServicesSection,U.S.NuclearRegulatoryCommission,Washington,DC20555-0001,orbyfaxto(301)415-2289,[e-mail]ideandotherrecentlyissuedguidesareavailableatNRC’shomepageat(DraftwasissuedasDG-1119)GUIDELINESFOREVALUATINGELECTROMAGNETICANDRADIO-FREQUENCYINTERFERENCEINSAFETY-RELATEDINSTRUMENTATIONANDCONTROLSYSTEMSA.INTRODUCTIONThisregulatoryguidehasbeenrevisedtoprovideguidancetolicenseesandapplicantsonadditionalmethodsacceptabletotheNRCstaffforcomplyingwiththeNRC’sregulationsondesign,installation,andtestingpracticesforaddressingtheeffectsofelectromagneticandradio-frequencyinterference(EMI/RFI)andpowersurgesonsafety-relatedinstrumentationandcontrol(I&C)systems.ThechangesinthisrevisionincludeendorsingMilitaryStandardMIL-STD-461EandtheInternationalElectrotechnicalCommission(IEC)61000seriesofEMI/RFItestmethods,extendingtheguidancetocoversignallinetesting,incorporatingfrequencyrangeswhereportablecommunicationsdevicesareexperiencingincreasinguse,andrelaxingtheoperatingenvelopes(testlevels)whenexperienceandconfirmatoryresearchwarrants.Exemptionsfromspecifictestcriteriaarealsoofferedbasedontechnicalconsiderationssuchasplantconditionsandtheintendedlocationofthesafety-relatedI&Cequipment.TheNRC’sregulationsinPart50,“DomesticLicensingofProductionandUtilizationFacilities,”ofTitle10oftheCodeofFederalRegulations(10CFRPart50)statethatstructures,systems,andcomponentsimportanttosafetyinanuclearpowerplantaretobedesignedtoaccommodatetheeffectsofenvironmentalconditions(i.e.,remainfunctionalunderallpostulatedserviceconditions)andthatdesigncontrolmeasuressuchastestingaretobeusedtochecktheadequacyofdesign.Section50.55a(h)of101IEEEpublicationsmaybepurchasedfromtheIEEEServiceCenter,445HoesLane,Piscataway,NJ08855-1331.2AnapplicantwhoreferencesanadvancedreactorcertificationisnotallowedtodepartfromtheTier2*commitmentswithoutNRCapproval.Thus,changescannotbemadeunderaprocesssuchasthatin10CFR50.59.3CopiesareavailableatcurrentratesfromtheU.S.GovernmentPrintingOffice,P.O.Box37082,Washington,DC20402-9328(telephone[phone]);orfromtheNationalTechnicalInformationServicebywritingNTISat5285PortRoyalRoad,Springfield,VA22161;(telephone[phone];.CopiesareavailableforinspectionorcopyingforafeefromtheNRCPublicDocumentRoomat11555RockvillePike,Rockville,MD;thePDR’smailingaddressisUSNRCPDR,Washington,DC20555;telephone[phone]or(800)397-4209;fax[phone];[e-mail].1.180-2CFRPart50statesthatprotectionsystemsmustmeettherequirementsoftheInstituteofElectricalandElectronicsEngineers(IEEE)standard(Std)603-1991,“CriteriaforSafetySystemsforNuclearPowerGeneratingStations,”1orIEEEStd279-1971,“CriteriaforProtectionSystemsforNuclearPowerGeneratingStations,”1contingentonthedateofconstructionpermitissuance.Thedesignbasiscriteriaidentifiedinthosestandards,orbysimilarprovisionsinthelicensingbasisforsuchfacilities,includetherangeoftransientandsteadystateenvironmentalconditionsduringnormal,abnormal,andaccidentcircumstancesthroughoutwhichtheequipmentmustperform.CriterionIII,“DesignControl,”CriterionXI,“TestControl,”andCriterionXVII,“QualityAssuranceRecords,”ofAppendixB,“QualityAssuranceCriteriaforNuclearPowerPlantsandFuelReprocessingPlants,”to10CFRPart50establishpracticestoconfirmthatadesignfulfillsitstechnicalrequirements.Furthermore,10CFR50.49and50.55aaddressvalidationmeasuressuchastestingthatcanbeusedtochecktheadequacyofdesign.RelatedrequirementsarecontainedinGeneralDesignCriteria1,2,4,13,21,22,and23ofAppendixA,“GeneralDesignCrit