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BS EN 60947-2-2003 低压开关设备和控制设备规范.断路器

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【英文标准名称】:Specificationforlow-voltageswitchgearandcontrolgear-Circuit-breakers
【原文标准名称】:低压开关设备和控制设备规范.断路器
【标准号】:BSEN60947-2-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-06-30
【实施或试行日期】:2003-06-30
【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】:故障电流;交流电流;检验;定义;试验;开关设备;低压开关设备;分类;电气器具;电路;作标记;故障电流断路器;线路开关;开关;断路器;直流电压;电气安全;安全装置;EMC电磁兼容性;电磁兼容性;规范(验收);保护设备;连接;低压电器;残余电流起动的断路器;电气工程;电压;交流电压;电气保护设备;干扰抑制;低电压
【英文主题词】:Alternatingcurrent;Alternatingvoltages;Circuit-breakers;Circuits;Classification;Connections;Definition;Definitions;Directvoltage;Electricappliances;Electricalengineering;Electricalprotectionequipment;Electricalsafety;Electromagneticcompatibility;EMC;Faultcurrentbreakers;Faultcurrents;Fuses;Inspection;Interferencerejections;Lineswitches;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Marking;Protectionagainstelectricshocks;Protectiondevices;Residualcurrentoperatedcircuit-breakers;Safetydevices;Specification(approval);Switches;Switchgear;Testing;Voltage
【摘要】:Thisstandardappliestocircuit-breakers,themaincontactsofwhichareintendedtobeconnectedtocircuits,theratedvoltageofwhichdoesnotexceed1000Va.c.or1500Vd.c;italsocontainsadditionalrequirementsforintegrallyfusedcircuit-breakers.Itapplieswhatevertheratedcurrents,themethodofconstructionortheproposedapplicationsofthecircuit-breakersmaybe.Therequirementsforcircuit-breakerswhicharealsointendedtoprovideearth-leakageprotectionarecontainedinannexB.Theadditionalrequirementsforcircuit-breakerswithelectronicover-currentprotectionarecontainedinannexF.Theadditionalrequirementsforcircuit-breakersforITsystemsarecontainedinannexH.Therequirementsandtestmethodsforelectromagneticcompatibilityofcircuit-breakersarecontainedinannexJ.Therequirementsforcircuit-breakersnotfulfillingtherequirementsforovercurrentprotectionarecontainedinannexL.Therequirementsformodularresidualcurrentdevices(withoutintegralcurrentbreakingdevice)arecontainedinannexM.Therequirementsandtestmethodsforelectromagneticcompatibilityofcircuit-breakerauxiliariesarecontainedinannexN.Supplementaryrequirementsforcircuit-breakersusedasdirect-on-linestartersaregiveninIEC60947-4-1,applicabletolow-voltagecontactorsandstarters.Therequirementsforcircuit-breakersfortheprotectionofwiringinstallationsinbuildingsandsimilarapplications,anddesignedforusebyuninstructedpersons,arecontainedinIEC60898.Therequirementsforcircuit-breakersforequipment(forexampleelectricalappliances)arecontainedinIEC60934.Forcertainspecificapplications(forexampletraction,rollingmills,marineservice)particularoradditionalrequirementsmaybenecessary.NOTECircuit-breakerswhicharedealtwithinthisstandardmaybeprovidedwithdevicesforautomaticopeningunderpredeterminedconditionsotherthanthoseofover-currentandundervoltageas,forexample,reversalofpowerorcurrent.Thisstandarddoesnotdealwiththeverificationofoperationundersuchpre-determinedconditions.Theobjectofthisstandardistostate:a)thecharacteristicsofcircuit-breakers;b)theconditionswithwhichcircuit-breakersshallcomplywithreferenceto:1)operationandbehaviourinnormalservice;2)operationandbehaviourincaseofoverloadandoperationandbehaviourincaseofshort-circuit,includingco-ordinationinservice(discriminationandback-upprotection);3)dielectricproperties;c)testsintendedforconfirmingthattheseconditionshavebeenmetandthemethodstobeadoptedforthesetests;d)informationtobemarkedonorgivenwiththeapparatus.
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:220P.;A4
【正文语种】:英语


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【英文标准名称】:SelectionofPorousPolyethyleneforUseinSurgicalImplants
【原文标准名称】:外科植入物用多孔聚乙烯的选择
【标准号】:ASTMF755-1987
【标准状态】:作废
【国别】:美国
【发布日期】:1987
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:选择;医学科学;多孔的;外科植入物;医疗设备;外科学;聚乙烯
【英文主题词】:implants(surgical);surgery;polyethylene;porous;medicalsciences;selection;medicalequipment
【摘要】:
【中国标准分类号】:C35
【国际标准分类号】:11_040_40
【页数】:3P;A4
【正文语种】:英语


【英文标准名称】:Rubber,raw-Determinationofresidualmonomersandothervolatilelow-molecular-masscompoundsbycapillarygaschromatography-Thermaldesorption(dynamicheadspace)method
【原文标准名称】:天然橡胶.毛细管气相色谱法测定残留单体和其他挥发性低分子量化合物.热解吸(动态顶空)法
【标准号】:ISO17052-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-07-15
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC45
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和测试;定义;解吸;含量测定;测量规程;气相色谱法;顶空分析;单体;高聚物;橡胶;挥发性的;挥发物质
【英文主题词】:Chemicalanalysisandtesting;Definition;Definitions;Desorption;Determinationofcontent;Determinationprocedures;Gaschromatography;Head-spaceanalysis;Monomers;Polymers;Rubber;Volatile;Volatilematter
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationofresidualmonomersandothervolatilelow-molecular-masscompoundsinrawrubberbycapillarycolumngaschromatographyusingathermaldesorption(alsoknownasdynamicheadspace)method.Itincludesagenericsectionthatisapplicabletoalltypesofrawrubberandtwoannexesspecifictoparticularrubbertypes.Thismethodhastheadvantagesofnotrequiringasolvent,ofconcentratingthevolatilecompoundsandofintroducingthemtothechromatographinaveryprecisemanner.Thecompoundsfoundintherawrubberwhicharetobedeterminedaredefinedasresidualmonomers,solventsandotherlow-molecular-masscompoundsintheboilingpointrangeofC4toC12hydrocarbons.
【中国标准分类号】:G34
【国际标准分类号】:83_040_10
【页数】:19P.;A4
【正文语种】:英语