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【英文标准名称】:Nuclearpowerplants-Electricalinterlocksforfunctionsimportanttosafety-Recommendationsfordesignandimplementation
【原文标准名称】:核电厂安全重要电器连锁装置设计和实现的推荐规范
【标准号】:IEC61497-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-10
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC45A
【标准类型】:()
【标准水平】:()
【中文主题词】:核反应堆;安全;安全措施;联锁装置;反应堆装置;核电厂;检验
【英文主题词】:Checks;Interlocks;Nuclearpowerplants;Nuclearreactors;Nuclear-electricpowerstations;Reactorinstrumentation;Safety;Safetymeasures
【摘要】:ThisInternationalStandardprovidesrecommendationsforthedesignandimplementationofelectricalinterlocksusedactivelyorpassivelytopreventunsafeconditionsortoensurespecificsafeconditionsandstatesduringtheoperationofnuclearpowerplants.Safetysysteminterlocksarecoveredbystandardsforsafetysystems.Thisstandardgivesdesign,reliabilityandtestcriteriaarisingfromtheconsiderationofinterlocksimportanttosafetyinaccordancewithIEC61226.ItusescategoriesA,BandCasdefinedbythatdocument.Ittakesintoaccounttheinterlocksafetysignificanceandfunctions,andtheroleoftheoperatorinsomeinterlocks.Guidanceisgivenonredundancyandondiversityofequipmentforimplementinginterlocks,wherehighavailabilityorintegrityisinvolved,orwherecommonmodefailuremaylimitreliability.Theuseofcomputer-basedequipmentforinterlockfunctionsisdiscussed,andrecom-mendationsfordiversityaregiven.RequirementsforsoftwareandforverificationandvalidationaregivenbyreferencetoIEC60880.Theprovisionoftestfacilitiesisdiscussedtogetherwithself-testingandself-monitoringmethods.Thesystemofinterlocksforaspecificfunctionincludesthesensorsofplantstate(e.g.,measuringdevicesandlimitswitches),theinterlockandcontrolpowersupplies,thecontrolandinstrumentationequipmentprovidingtheparticularlogicfunctionforpreventionorlimitationofoperation,andthecables,electromechanicalfeatures,keycontrolandadministrativecontrolassociatedwiththefunction.
【中国标准分类号】:F65
【国际标准分类号】:27_120_20
【页数】:37P;A4
【正文语种】:英语