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QJ 1886-1990 微波器件通用技术条件

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基本信息
标准名称:微波器件通用技术条件
中标分类: 航空、航天 >> 航空器与航天器零部件 >> 电子元器件
替代情况:被QJ 1886A-1997代替
发布日期:1990-01-20
实施日期:1991-09-01
首发日期:
作废日期:
出版日期:
页数:8页
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所属分类: 航空 航天 航空器与航天器零部件 电子元器件
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【英文标准名称】:Powerfrequencyovervoltageprotectivedeviceforhouseholdandsimilarapplications(POP)
【原文标准名称】:家用和类似用途的工频过电压保护装置(POP)
【标准号】:BSEN50550-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-06-30
【实施或试行日期】:2011-06-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Accessories;Alternatingcurrent;Alternatingvoltages;Circuit-breakers;Classificationsystems;Contactsafetydevices;Definitions;Design;Differentialcurrentswitches;Differentialcurrents;Domesticelectricalinstallations;Earth-leakagecircuit-breakers;Electricappliances;Electricalengineering;Electricalinstallations;Electricalprotectionequipment;Electricalsafety;Electromagneticcompatibility;EMC;Faultcurrentbreakers;Faultcurrents;Houseinstallations;Householdequipment;Householduse;Inscription;Inspection;Lineswitches;Lowvoltage;Low-voltageequipment;Marking;Mountingmaterials;Overcurrentprotection;Powerfrequency;Productinformation;Properties;Protectionagainstelectricshocks;Protectiondevices;Residualcurrentoperatedcircuit-breakers;Self-actingcircuit-breakers;Switches;Switchgear;Testing;Trippingmechanisms(circuit-breakers)
【摘要】:ThisEuropeanStandardappliestopowerfrequencyovervoltageprotectiondevices(hereafterreferredtoas“POP”)forhouseholdandsimilaruses,witharatedfrequencyof50Hz,aratedvoltage230Va.c.(betweenphaseandneutral),intendedtobeusedincombinationwithamainprotectivedevicebeingeitheraCBincompliancewithEN60898-1orEN60898-2,aRCCBincompliancewithEN61008-1oraRCBOincompliancewithEN61009-1.NOTE1RequirementsforPOPsincombinationwithswitchingdevicesotherthanamainprotectivedevice,oraPOPintegratedinaMPD,areunderconsideration.NOTE2RequirementsforPOPwithfunctionalearthconnectionregardingtemporaryovervoltagewithstandareunderconsideration.NOTE3APOPisnotaprotectivedevicetobeusedforautomaticdisconnectionofthesupplyinthemeaningofHD60364-4-41.Theyareintendedforuseinanenvironmentwithpollutiondegree2andovervoltagecategoryIII.Theycanbedesignedforfactoryassemblyorforassemblyonsite.Thesedevicesareintendedtomitigatetheeffectsofpowerfrequencyovervoltagesbetweenphaseandneutralconductor(e.g.causedbylossofneutralconductorinthethreephasesupplyupstreamthePOP)fordownstreamequipmentbyactuatingthemainprotectivedevicewhenanovervoltagebetweenphaseandneutralisdetected.NOTE4TomitigatemeansinthiscontextthatthePOPwillprovideprotectioninmostcasesofpowerfrequencyovervoltages.NOTE5Protectionincaseofovervoltagebetweenphasesisunderconsideration.Incaseofphasetophaseelectricalsupplysystemwithratedvoltagebetweenphases230Va.c.andnoneutralconductor,onelinemonitoredPOPincompliancetothisstandardcanbeusedaccordingtomanufacturer’sinstruction.ThePOPdoesnotimpairtheprotectivefunctionofthemainprotectivedevice.ThisEuropeanStandarddoesnotapplyforprotectionagainstcommonmodeovervoltages.ThisEuropeanStandarddoesnotapplytosurgeprotectivedevices.ThisEuropeanStandardstates:–thedefinitionsoftermsusedforPOP(Clause3);–theclassificationofPOP(Clause4);–thecharacteristicsofPOP(Clause5);–thepreferredvaluesoftheoperatingandinfluencingquantities(Clause5);–themarkingandinformationtobeprovidedforPOP(Clause6);–thestandardconditionsforinstallationandoperationinservice(Clause7);–therequirementsforconstructionandoperation(Clause8);–thelistofminimumrequirementstobetested(Clause9).
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:50P.;A4
【正文语种】:英语


【英文标准名称】:ProcedureforEvaluationoftheDesignofRectangularCrossSectionAttachmentsonClass2or3PipingSectionIII,Division1
【原文标准名称】:2级和3级管道系统矩形截面附件的设计评估程序.第III节,第1部分
【标准号】:ASMEN-318-5-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001-01-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:BoilerandPressureVessel,ProcedureforEvaluationoftheDesignofRectangularCrossSectionAttachmentsonClass2or3PipingSectionIII,Division1
【中国标准分类号】:F69
【国际标准分类号】:
【页数】:
【正文语种】:英语