BS EN 61071-2007 电力电容器

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【英文标准名称】:Capacitorsforpowerelectronics
【原文标准名称】:电力电容器
【标准号】:BSEN61071-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2008-02-29
【实施或试行日期】:2008-02-29
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电流;电容器;定义;直流电流;电气工程;电子工程;电子设备及元件;作标记;操作频率;过载电流;过电压保护;并联;电力电容器;电力电子学;质量要求;额定电压;安全要求;串联;设备电压;规范(验收);测试
【英文主题词】:Alternatingcurrent;Capacitors;Definition;Definitions;Directcurrent;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Marking;Operatingfrequencies;Overloadcurrent;Overvoltageprotection;Parallelconnection;Powercapacitors;Powerelectronics;Qualityrequirements;Ratedvoltages;Safetyrequirements;Seriesconnection;Servicevoltage;Specification(approval);Testing
【摘要】:ThisInternationalStandardappliestocapacitorsforpowerelectronicsapplications.Theoperatingfrequencyofthesystemsinwhichthesecapacitorsareusedisusuallyupto15kHz,whilethepulsefrequenciesmaybeupto5to10timestheoperatingfrequency.Thestandarddistinguishesbetweena.c.andd.c.capacitorswhichareconsideredascomponentswhenmountedinenclosures.Thisstandardcoversanextremelywiderangeofcapacitortechnologiesfornumerousapplications,e.g.overvoltageprotection,d.c.anda.c.filtering,switchingcircuits,d.c.energystorage,auxiliaryinverters,etc.Thefollowingareexcludedfromthisstandard:–capacitorsforinductionheat-generatingplantsoperatingatfrequenciesbetween40Hzand24000Hz(seeIEC60110-1andIEC60110-2);–capacitorsformotorapplicationsandthelike(seeIEC60252-1andIEC60252-2);–capacitorstobeusedincircuitsforblockingoneormoreharmonicsinpowersupplynetworks;–smalla.c.capacitorsasusedforfluorescentanddischargelamps(seeIEC61048andIEC61049);–capacitorsforsuppressionofradiointerference(seeIEC60384-14);–shuntcapacitorsfora.c.powersystemshavingaratedvoltageabove1000V(seeIEC60871-1andIEC60871-2);–shuntpowercapacitorsoftheself-healingtypefora.c.systemshavingaratedvoltageuptoandincluding1000V(seeIEC60831-1andIEC60831-2);–shuntpowercapacitorofthenon-self-healingtypefora.c.systemshavingaratedvoltageuptoandincluding1000V(seeIEC60931-1andIEC60931-2);–electroniccapacitorsnotusedinpowercircuits;–seriescapacitorsforpowersystems(seeIEC60143);–couplingcapacitorsandcapacitorsdividers(seeIEC60358);–capacitorsformicrowaveovens(seeIEC61270-1);–capacitorsforrailwayapplications(seeIEC61881).ExamplesofapplicationsaregiveninClause9.1.
【中国标准分类号】:K42
【国际标准分类号】:31_060_70
【页数】:48P.;A4
【正文语种】:英语


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【英文标准名称】:Rubberlatices.Methodsoftest.Determinationofresidualacrylonitrilecontentinnitrilelatex
【原文标准名称】:橡胶乳.第3部分:试验方法.第22节:丁腈胶乳中残余丙烯腈含量测定
【标准号】:BS6057Sec.3.22-1990
【标准状态】:作废
【国别】:英国
【发布日期】:1990-08-31
【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】:蒸馏分析法;胶乳;丙烯腈;丁腈橡胶;容量分析;合成橡胶;化学分析和试验;含量测定;试验条件
【英文主题词】:volumetricanalysis;syntheticrubber;distillationmethodsofanalysis;determinationofcontent;latices;acrylonitrile;chemicalanalysisandtesting;testingconditions;nitrilerubber
【摘要】:
【中国标准分类号】:G35
【国际标准分类号】:
【页数】:6P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminationofN-Methyl-CarbamoyloximesandN-MethylcarbamatesinWaterbyDirectAqueousInjectionHPLCwithPost-ColumnDerivatization
【原文标准名称】:用柱后衍生直接注水高效液相色谱法(HPLC)测定水中N-甲基-氨基甲酰肟和N-氨基甲酸甲酯的标准试验方法
【标准号】:ASTMD5315-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D19.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:化学分析和试验;试验;氨基甲酸甲酯
【英文主题词】:carbamates;directaqueousinjection;drinkingwater;HPLC;N-methylcarbamates;N-methylcarbamoyloximes
【摘要】:N-methylcarbamatesandn-methylcarbomoyloximesareusedinagricultureasinsecticidesandherbicides.Theyaresometimesfoundinbothsurfaceandgroundwatersandcanbetoxictoanimalsandplantsatmoderatetohighconcentrations.Themanufacturingprecursorsanddegradationproductsmaybeequallyashazardoustotheenvironment.1.1Thisisahigh-performanceliquidchromatographic(HPLC)testmethodapplicabletothedeterminationofcertainn-methylcarbamoyloximesandn-methylcarbamatesingroundwaterandfinisheddrinkingwater().Thistestmethodisapplicabletoanycarbamateanalytethatcanbehydrolyzedtoaprimaryamine.Thefollowingcompoundshavebeenvalidatedusingthistestmethod:AnalyteChemicalAbstractServicesRegistryNumberAldicarb116-06-3Aldicarbsulfone1646-88-4Aldicarbsulfoxide1646-87-3Baygon114-26-1Carbaryl63-25-2Carbofuran1563-66-23-Hydroxycarbofuran16655-82-6Methiocarb2032-65-7Methomyl16752-77-5Oxamyl23135-22-0NumberingsystemofChemicalAbstracts,Inc.