【英文标准名称】:Safetyofpowertransformers,powersupplyunitsandsimilardevices-Part2-12:Particularrequirementsforconstantvoltagetransformers
【原文标准名称】:电力变压器、电源装置及类似设备的安全第2-12部分：恒变压器的特殊要求
【标准号】:IEC61558-2-12-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-06
【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/TC96
【标准类型】:()
【标准水平】:()
【中文主题词】:电路;安全隔离变压器;供电系统;变压器;定义;定义;规范(验收);使用;小功率变压器;试验;电气工程
【英文主题词】:Applications;Autotransformers;Circuits;Definitions;Dimensioning;Electricalengineering;Electricalsafety;Firesafety;Isolatingtransformers;Magnetic;Mainstransformers;Powersupplysystem;Protectionagainstelectricshocks;Safetyisolatingtransformers;Short-circuitprotection;Small-powertransformers;Specification(approval);Stabilizingdevice;Testing;Transformers
【摘要】:Replacement:ThisInternationalStandarddealswithallaspectsofsafetysuchaselectrical,thermalandmechanical.ThispartofIEC61558appliestostationaryorportable,single-phaseorpolyphase,air-cooled(naturalorforced),associatedorindependent:-constantvoltageauto-transformers-constantvoltageseparatingtransformers-constantvoltageisolatingtransformers-constantvoltagesafetyisolatingtransformershavingaratedsupplyvoltagenotexceeding1000Va.c.,aratedfrequencynotexceeding500Hz,aninternaloperationalfrequencynotexceeding30kHzandnolimitationoftheratedoutput.NOTE1Thetechnologicaldevelopmentoftransformersmightimplyaneedtoincreasethehigherlimitoftheinternaloperationalfrequency;untilsuchtime,thisstandardmaybeusedasaguide.Constantvoltageindependentauto-transformers-haveano-loadoutputvoltageandaratedoutputvoltageexceeding50Va.c.or120Vripple-freed.c.andnotexceeding1000Va.c.or1415Vripple-freed.c.;-areusedwherenoinsulationbetweencircuitsisrequiredbytheinstallationrulesorbytheequipmentspecification.Constantvoltageassociatedauto-transformers-haveano-loadoutputvoltageandaratedoutputvoltagenotexceeding1000Va.c.or1415Vripple-freed.c.Constantvoltageindependentseparatingtransformers-haveano-loadoutputvoltageandaratedoutputvoltageexceeding50Va.c.or120Vripple-freed.c.andnotexceeding1000Va.c.or1415Vripple-freed.c.;-areusedwheredoubleorreinforcedinsulationbetweencircuitsisnotrequiredbytheinstallationrulesorbytheappliancespecification.Constantvoltageassociatedseparatingtransformers-haveano-loadoutputvoltageandaratedoutputvoltagenotexceeding1000Va.c.or1415Vripple-freed.c.Constantvoltageisolatingtransformers-haveano-loadoutputvoltageand/oraratedoutputvoltageexceeding50Va.c.or120Vripple-freed.c.andnotexceeding500Va.c.or708Vripple-freed.c.;theno-loadoutputvoltageandtheratedoutputvoltagemayexceedtheselimitsinordertobeinaccordancewiththenationalwiringrulesorspecialpurposes;however,theyshallnotexceed1000Va.c.or1415Vripple-freed.c.;-areusedwheredoubleorreinforcedinsulationbetweencircuitsisrequiredbytheinstallationrulesorbytheappliancespecification.Constantvoltagesafetyisolatingtransformers-haveano-loadoutputvoltageandaratedoutputvoltagenotexceeding50Va.c.or120Vripple-freed.c.;-areusedwheredoubleorreinforcedinsulationbetweencircuitsisrequiredbytheinstallationrulesorbytheappliancespecification.Thisstandardisapplicabletodry-typeconstantvoltagetransformers.Thewindingsmaybeencapsulatedornon-encapsulated.NOTE2Forconstantvoltagetransformersfilledwithliquiddielectricorpulverizedmaterial,suchassand,additionalrequirementsareunderconsideration.NOTE3Attentionisdrawntothefactthat-fortransformersintendedtobeusedintropicalcountries,specialrequirementsmaybenecessary;-inlocationswherespecialenvironmentalconditionsprevail,particularrequirementsmaybenecessary.NOTE4Forhigherno-loadoutputvoltagesorcircuitvoltages,additionalrequirementsarenecessarybutthisstandardmaybeusedasaguide.
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:37P;A4
【正文语种】:英语


【英文标准名称】:Superconductivity-Mechanicalpropertiesmeasurement-RoomtemperaturetensiletestofCu/Nb-Ticompositesuperconductors
【原文标准名称】:超导性.机械特性测量.Cu/Nb-Ti复合超导体的室温拉伸试验
【标准号】:BSEN61788-6-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-03-13
【实施或试行日期】:2003-03-13
【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】:试验;测量;钛;铜合金;机械性能;抗拉试验;超导性;超导体;钛合金;铌;电流测量;电气工程;铜导线;铜
【英文主题词】:Copper;Copperalloys;Copperconductors;Currentmeasurement;Electricalengineering;Measurement;Mechanicalproperties;Niobium;Superconductivity;Superconductors;Tensiletests;Testing;Titanium;Titaniumalloys
【摘要】:
【中国标准分类号】:H80
【国际标准分类号】:17_220_20;29_050
【页数】:22P;A4
【正文语种】:英语