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【英文标准名称】:Nuclearpowerplant-Instrumentationandcontrolforsystemsimportanttosafety;Generalrequirementsforsystems
【原文标准名称】:核电厂对安全重要的系统的仪器仪表和控制设备系统的一般要求
【标准号】:IEC61513-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-03
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC45A
【标准类型】:()
【标准水平】:()
【中文主题词】:检验;核电厂;仪器装置;核安全;分类(文献);安全研究;危险分析;加压水冷反应堆;概率;定义;核技术;核反应堆
【英文主题词】:Checks;Classifying(documents);Computerizedcontrol;Controltechnology;Definition;Definitions;Electricalengineering;Englishlanguage;Instrumentation;Nuclearpowerplants;Nuclearreactors;Nuclearsafety;Nucleartechnology;Pressurizedwaterreactors;Probability;Reactorinstrumentation;Reactorsafety;Reactorvessels;Riskanalysis;Safety;Safetyengineering;Safetystudies
【摘要】:1GeneralI&Csystemsimportanttosafetymaybeimplementedusingconventionalhard-wiredequip-ment,computer-based(CB)equipmentorbyusingacombinationofbothtypesofequipment.ThisInternationalStandardprovidesrequirementsandrecommendations(seenote)forthetotalI&Csystemarchitecturewhichmaycontaineitherorbothtechnologies.NOTEInthefollowing,thetermrequirementsisusedasacomprehensivetermforbothrequirementsandrecommendations.Thedistinctionappearsatthelevelofthespecificprovisions,whererequirementsareexpressedby"shall"andrecommendationsby"should".Thisstandardhighlightstheneedforcompleteandpreciserequirements,derivedfromtheplantsafetygoals,asapre-requisiteforgeneratingthecomprehensiverequirementsforthetotalI&Csystemarchitecture,andhencefortheindividualI&Csystemsimportanttosafety.ThisstandardintroducestheconceptofasafetylifecycleforthetotalI&Csystemarchitecture,andasafetylifecyclefortheindividualsystems.Thelifecyclesillustratedin,andfollowedby,thisstandardarenottheonlyonespossible;otherlifecyclesmaybefollowed,providedthattheobjectivesstatedinthisstandardaresatisfied.2Application:newandpre-existingplantsThisstandardappliestotheI&CofnewnuclearpowerplantsaswellastoI&Cup-gradingorback-fittingofexistingplants.Forexistingplants,onlyasubsetofrequirementsisapplicableandthissubsetisidentifiedatthebeginningofanyproject.3FrameworkFigure1presentstheoverallframeworkofthisstandard,withitsnormativeclauses:·clause5addressesthetotalarchitectureoftheI&Csystemsimportanttosafety:-definingrequirementsfortheI&Cfunctions,andassociatedsystemsandequipment(I&CFSE)derivedfromthesafetyanalysisoftheNPP,thecategorisationofI&Cfunctions,andtheplantlay-outandoperationcontext;-structuringthetotalityoftheI&Carchitecture,dividingitintoanumberofsystemsandassigningtheI&Cfunctionstosystems.Designcriteriaareidentified,includingthosetogivedefenceindepthandtominimisepotentialforcommoncausefailure(CCF);-planningthetotalarchitectureofI&Csystems.·clause6addressestherequirementsfortheindividualI&Csystemsimportanttosafety,particularlytherequirementsforcomputer-basedsystems;·clauses7and8addresstheoverallintegration,commissioning,operationandmaintenanceoftheI&Csystems;·annexAhighlightstherelationsbetweenIAEAandbasicsafetyconceptsthatareusedthroughoutthisstandard;·annexBprovidesinformationonthecategorisation/classificationprinciples;·annexCgivesexamplesofI&CsensitivitytoCCF;·annexDprovidesguidancetosupportcomparisonofthisstandardwithparts1,2and4ofIEC61508.ThisannexsurveysthemainrequirementsofIEC61508toverifythattheissuesrelevanttosafetyareadequatelyaddressed,considerstheuseofcommontermsandexplainsthereasonforadoptingdifferentorcomplementarytechniquesorterms.
【中国标准分类号】:F60
【国际标准分类号】:27_120_20
【页数】:189P.;A4
【正文语种】:英语