ANSI/ASTM D3230-1989 用电势滴定法测定原油中盐的试验方法(05.02)

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【英文标准名称】:SaltsinCrudeOil(ElectrometricMethod),TestMethodfor(05.02)
【原文标准名称】:用电势滴定法测定原油中盐的试验方法(05.02)
【标准号】:ANSI/ASTMD3230-1989
【标准状态】:作废
【国别】:美国
【发布日期】:1989
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:石油产品;含量测定;试验
【英文主题词】:determinationofcontent;testing;petroleumproducts
【摘要】:
【中国标准分类号】:E21
【国际标准分类号】:75_040
【页数】:
【正文语种】:英语


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【英文标准名称】:Railwayapplications-Rollingstockequipment-Capacitorsforpowerelectronics
【原文标准名称】:铁路设施.机车车辆设备.电源电子装置电容器
【标准号】:BSEN61881-2000
【标准状态】:作废
【国别】:英国
【发布日期】:2000-01-15
【实施或试行日期】:2000-01-15
【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】:电气试验;频率;耐久试验;直流电流;电气元件;温度;热试验;额定电压;环境试验;作标记;交流电流;机械试验;通风;电气安全;质量;定型试验;电阻测量;电压测量;漏泄试验;铁路车辆零部件;热稳定性;装配;认可试验;放电;电容测量;电子设备及元件;电力电容器;铁路设施;局部放电;湿热试验;波形;过载(电);过电压;破坏试验;电容器;铁路设备;铁道车辆
【英文主题词】:Alternatingcurrentcapacitors;Capacitors;Condenserunit;Definitions;Directvoltage;Electricrailways;Electricalcomponents;Electricalengineering;Electricalequipment;Electronicequipmentandcomponents;Erection;Inscription;Measurement;Measuringtechniques;Operation;Overload;Powercapacitors;Powerelectronics;Qualificationtests;Qualityrequirements;Railwayapplications;Railwayvehicles;Railways;Rollingstocks;Safetyrequirements;Testing;Testingrequirements;Voltagemeasurement
【摘要】:ThisInternationalStandardappliestocapacitorsforpowerelectronicsintendedtobeusedonrollingstock.Theratedvoltageofcapacitorscoveredbythispartislimitedto10000V.Theoperatingfrequencyofthesystemsinwhichthesecapacitorsareusedisusuallybelow2500Hz,whilethepulsefrequenciesmaygouptoseveralthousandhertz,insomecasesbeyond10000Hz.Itdistinguishesbetweena.c.andd.c.capacitors.Theyareconsideredascomponentsmountedinenclosures.NOTE-Thisstandardcoversanextremelywiderangeofcapacitortechnologiesfornumerousapplications:overvoltageprotection,d.c.anda.c.filtering,switchingcircuits,d.c.energystorage,auxiliaryinverters,etc.Thefollowingareexcludedfromthisstandard:-capacitorsforinductionheat-generatingplantsoperatingatfrequenciesbetween40Hzand24000Hz(seeIEC60110);-capacitorsformotorapplicationsandthelike(seeIEC60252);-capacitorstobeusedincircuitsforblockingoneormoreharmonicsinpowersupplynetworks;-smalla.c.capacitorsasusedforfluorescentanddischargelamps(seeIEC61048andIEC61049);-capacitorsforsuppressionofradiointerference(seeIEC60384-14);-shuntcapacitorsfora.c.powersystemshavingaratedvoltageabove1000V(seeIEC60871-1andIEC60871-2);-shuntpowercapacitorsoftheself-healingtypefora.c.systemshavingaratedvoltageuptoandincluding1000V(seeIEC60831-1andIEC60831-2);-shuntpowercapacitorofthenonself-healingtypefora.c.systemshavingaratedvoltageuptoandincluding1000V(seeIEC60931-1andIEC60931-2);-electroniccapacitorsnotusedinpowercircuits(seeIEC60080andIEC60166);-seriescapacitorsforpowersystems(seeIEC60143);-couplingcapacitorsandcapacitorsdividers(seeIEC60358);-capacitorsforapplicationsrequiringenergystorage/highcurrentdischargesuchasphotocopiesandlasers;-capacitorsformicrowaveovens.Examplesaregiveninclause6.
【中国标准分类号】:S35
【国际标准分类号】:31_060_70;45_060_01
【页数】:48P.;A4
【正文语种】:英语