【英文标准名称】:Medicalelectricalequipment.Particularrequirementsforperformance.Methodsofdeclaringfunctionalperformancecharacteristicsofmedicalelectronacceleratorsintherange1MeVto50MeV
【原文标准名称】:医用电气设备.第3部分:性能的特殊要求.第1节:1MeV至50MeV范围内的医用电子设备性能的表示方法
【标准号】:BS5724Sec.3.1-1990
【标准状态】:作废
【国别】:英国
【发布日期】:1990-11-30
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:医疗设备;放射疗法;医学放射学;再现性;校正;性能;工作环境;试验条件;定义;性能试验;定型试验;医用电气设备;放射器具(医学);粒子加速器;电子束;稳定性;X射线仪;辐射测量
【英文主题词】:
【摘要】:
【中国标准分类号】:C39
【国际标准分类号】:
【页数】:80P;A4
【正文语种】:英语


【英文标准名称】:Residualcurrentoperatedcircuit-breakerswithintegralovercurrentprotectionforhouseholdandsimilaruses(RCBOs)-Part1:Generalrules
【原文标准名称】:家用和类似用途的有集成过电流保护的残流驱动式断路器(RCBOs).第1部分:总则
【标准号】:IEC61009-1Edition2.2-2006
【标准状态】:作废
【国别】:国际
【发布日期】:2006-06
【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/SC23E
【标准类型】:()
【标准水平】:()
【中文主题词】:附件;交流电流;交流电压;断路器;分类;接触安全装置;定义;设计;差分电流开关;差分电流;民用电力设备;接地断路器;电气器具;电气工程;电力设备;电气保护设备;电气安全;电磁兼容性;故障电流断路器;故障电流;一般条件;家用(安装)设备;家用设备;家用;检验;线路开关;低电压;低压电器;作标记;小型断路器;安装材料;过流断路器;过电流保护装置;过载继电器;过电压保护装置;产品信息;特性;防电击;保护设备;额定值;剩余电流控制断路器;剩余电流控制器件;自动断路器;规范(验收);开关;开关设备;试验;跳闸机构(断路器)
【英文主题词】:Accessories;Alternatingcurrent;Alternatingvoltages;Circuit-breakers;Classification;Contactsafetydevices;Definitions;Design;Differentialcurrentswitches;Differentialcurrents;Domesticelectricalinstallations;Earth-leakagecircuit-breakers;Electricappliances;Electricalengineering;Electricalinstallations;Electricalprotectionequipment;Electricalsafety;Electromagneticcompatibility;EMC;Faultcurrentbreakers;Faultcurrents;Generalconditions;Houseinstallations;Householdequipment;Householduse;Inscription;Inspection;Lineswitches;Lowvoltage;Low-voltageequipment;Marking;Miniaturecircuit-breakers;Mountingmaterials;Overcurrentcircuit-breakers;Overcurrentprotection;Overcurrentprotectiondevices;Overloadrelays;Overvoltageprotection;Productinformation;Properties;Protectionagainstelectricshocks;Protectiondevices;Ratings;Residualcurrentoperatedcircuit-breakers;Residualcurrent-operateddevices;Self-actingcircuit-breakers;Specification(approval);Switches;Switchgear;Testing;Trippingmechanisms(circuit-breakers)
【摘要】:ThisInternationalStandardappliestoresidualcurrentoperatedcircuit-breakerswithintegralovercurrentprotectionfunctionallyindependentof,orfunctionallydependenton,linevoltageforhouseholdandsimilaruses(hereafterreferredtoasRCBOs),forratedvoltagesnotexceeding440Va.c.,ratedcurrentsnotexceeding125Aandratedshort-circuitcapacitiesnotexceeding25000Aforoperationat50Hzor60Hz.Thesedevicesareintendedtoprotectpeopleagainstindirectcontact,theexposedconductivepartsoftheinstallationbeingconnectedtoanappropriateearthelectrodeandtoprotectagainstovercurrentsthewiringinstallationsofbuildingsandsimilarapplications.Theymaybeusedtoprovideprotectionagainstfirehazardsduetoapersistentearthfaultcurrent,withouttheoperationoftheovercurrentprotectivedevice.RCBOshavingaratedresidualoperatingcurrentnotexceeding30mAarealsousedasameansforadditionalprotectioninthecaseoffailureoftheprotectivemeansagainstelectricshock.Thisstandardappliestodevicesperformingsimultaneouslythefunctionofdetectionoftheresidualcurrent,ofcomparisonofthevalueofthiscurrentwiththeresidualoperatingvalueandofopeningoftheprotectedcircuitwhentheresidualcurrentexceedsthisvalue,andalsoofperformingthefunctionofmaking,carryingandbreakingovercurrentsunderspecifiedconditions.ThecontentofthepresentstandardrelatedtoprotectionagainstovercurrentsisbasedonIEC60898.RCBOsofthegeneraltypeareresistanttounwantedtripping,includingthecasewheresurgevoltages(asaresultofswitchingtransientsorinducedbylightning)causeloadingcurrentsintheinstallationwithoutoccurrenceofflashover.RCBOsoftheStypeareconsideredtobesufficientlyproofagainstunwantedtrippingevenifthesurgevoltagecausesaflashoverandafollow-oncurrentoccurs.RCBOsaresuitableforisolation.Specialprecautions(e.g.lightningarresters)maybenecessarywhenexcessiveovervoltagesarelikelytooccuronthesupplyside(forexampleinthecaseofsupplythroughoverheadlines)(seeIEC60364-4-443).ThisstandardalsoappliestoRCBOsobtainedbytheassemblyofanadaptableresidualcurrentdevicewithacircuit-breaker.Themechanicalassemblyshallbeeffectedinthefactorybythemanufacturer,oronsite,inwhichcasetherequirementsofannexGshallapply.ItalsoappliestoRCBOshavingmorethanoneratedcurrent,providedthatthemeansforchangingfromonediscreteratingtoanotherisnotaccessibleinnormalserviceandthattheratingcannotbechangedwithouttheuseofatool.SupplementaryrequirementsmaybenecessaryforRCBOsoftheplug-intype.ParticularrequirementsarenecessaryforRCBOsincorporatedinorintendedonlyforassociationwithplugsandsocket-outletsorwithappliancecouplersforhouseholdandsimilargeneralpurposes.Thisstandarddoesnotapplyto:–RCBOsintendedtoprotectmotors,–RCBOsthecurrentsettingofwhichisadjustablebymeansaccessibletotheuserinnormalservice.Therequirementsofthisstandardapplyfornormalenvironmentalconditions(see7.1).AdditionalrequirementsmaybenecessaryforRCBOsusedinlocationshavingsevereenvironmentalconditions.RCBOsincludingbatteriesarenotcoveredbythisstandard.Aguidefortheco-ordinationofRCBOswithfusesisgiveninannexF.
【中国标准分类号】:K45
【国际标准分类号】:29_120_50
【页数】:289P.;A4
【正文语种】:英语