IEC 61290-3-1-2003 光学放大器.试验方法.第3-1部分:噪音数字参数.光谱分析仪法
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【英文标准名称】:Opticalamplifiers-Testmethods-Part3-1:Noisefigureparameters;Opticalspectrumanalyzermethod
【原文标准名称】:光学放大器.试验方法.第3-1部分:噪音数字参数.光谱分析仪法
【标准号】:IEC61290-3-1-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-08
【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/SC86C
【标准类型】:()
【标准水平】:()
【中文主题词】:测量技术;光波导;光学;噪声(乱真信号);噪声测量;试验;噪声因数;基本规范;噪声数字;光学纤维;放大器;规范;电气工程
【英文主题词】:Amplifiers;Basicspecification;Electricalengineering;Measuringtechniques;Noisefactors;Noisefigure;Noisemeasurements;Noise(spurioussignals);Opticalfibres;Opticalwaveguides;Optics;Specification;Testing
【摘要】:Appliestocommerciallyavailableopticalamplifiers(OAs)suchasopticalfibreamplifiers(OFAs),semiconductoropticalamplifiers(SOAs)andplanarwageguideapmlifiers(PWOAs)asclassifiedinIEC61292-3.Theobjectistoestablishuniformrequiremen
【中国标准分类号】:M33
【国际标准分类号】:33_180_30
【页数】:42P.;A4
【正文语种】:英语
【英文标准名称】:Specificationandapprovalofweldingproceduresformetallicmaterials-Approvalrelatedtopreviousexperience
【原文标准名称】:金属材料焊接程序的规范和认可.根据以前经验进行认可
【标准号】:BSEN288-6-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-02-15
【实施或试行日期】:1995-02-15
【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】:焊接;金属;验收(鉴定);熔焊;质量保证体系;电弧焊接;认可试验;质量保证;合金
【英文主题词】:
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_10
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:Safetyofpowertransformers,powersupplies,reactorsandsimilarproducts-Part1:Generalrequirementsandtests
【原文标准名称】:电力变压器、供电、反应堆和类似产品的安全.第1部分:一般要求和试验
【标准号】:BSEN61558-1-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2006-04-28
【实施或试行日期】:2006-04-28
【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】:定义;电气工程;电气安全;电源设备;供电系统;电力变压器;安全;小功率变压器;规范(验收);测试;变压器
【英文主题词】:Definition;Definitions;Electricalengineering;Electricalsafety;Mainsunits;Powersupplysystem;Powertransformers;Safety;Small-powertransformers;Specification(approval);Testing;Transformers
【摘要】:ThisInternationalStandarddealswithsafetyaspectsofpowertransformers,powersupplies,reactorsandsimilarproductssuchaselectrical,thermalandmechanicalsafety.Thisstandardcoversthefollowingtypesofdry-typetransformers,powersupplies,includingswitchmodepowersupplies,andreactors,thewindingsofwhichmaybeencapsulatedornon-encapsulated:a)Stationaryorportable,single-phaseorpoly-phase,air-cooled(naturalorforced),isolatingandsafetyisolatingtransformers,independentorassociated,notformingapartofdistributionnetworksandwiththefollowingcharacteristics:–ratedsupplyvoltagenotexceeding1000Va.c.;–ratedsupplyfrequencynotexceeding500Hz;andcomplyingwiththefollowingvalues,unlessotherwisespecifiedintherelevantpart2:forisolatingtransformers:–ratedoutputforsinglephasetransformers,notexceeding25kVA,andforpolyphasetransformersnotexceeding40kVA.–no-loadoutputvoltageandtheratedoutputvoltageexceeding50Va.c.,andnotexceeding500Va.c,or1000Va.c.tobeinaccordancewiththeNationalWiringRulesorforaspecialapplication.forsafetyisolatingtransformers:–ratedoutputforsinglephasetransformersnotexceeding10kVA,andforpolyphasetransformersnotexceeding16kVA.–no-loadoutputvoltageandtheratedoutputvoltagenotexceeding50Va.c.betweenconductors,orbetweenanyconductorandprotectiveearth.b)Stationaryorportable,single-phaseorpolyphase,air-cooled(naturalorforced)separatingtransformers,auto-transformers,variabletransformersandsmallreactors,independentorassociated,notformingapartofdistributionnetworksandwiththefollowingcharacteristics:–ratedsupplyvoltagenotexceeding1000Va.c.;–ratedsupplyfrequencynotexceeding500Hz;andcomplyingwiththefollowingvalues,unlessotherwisespecifiedintherelevantpart2:–no-loadoutputvoltageoraratedoutputvoltageforbothindependentandassociatedtransformersnotexceeding15kVa.c.,andforindependenttransformers,aratedoutputvoltagenotlessthan50Va.c.;–ratedoutputnotexceedingthefollowingvalues:–1kVAforsingle-phasetransformers;–2kVARforsingle-phasereactors;–5kVAforpoly-phasetransformers;–10kVARforpoly-phasereactors.c)Stationaryorportable,single-phaseorpolyphase,air-cooled(naturalorforced),independentorassociatedpowersuppliesandswitchmodepowersuppliesincorporatingoneormoretransformer(s)oftypea)orb),notformingapartofdistributionnetworksandwiththefollowingcharacteristics:–ratedsupplyvoltagenotexceeding1000Va.c.;–ratedsupplyfrequencynotexceeding500Hz;–internaloperationalfrequencyforpowersuppliesnotexceeding500Hzandforswitchmodepowersuppliesnotexceeding100MHz;andwiththefollowingvalues,unlessotherwisespecifiedintherelevantpart2d)Thisstandardisalsoapplicabletotw-markedtransformerswitharatedoutputnotexceeding1000VAandwherethetw-temperaturedoesnotexceed140°C(tw140).However,tw-markingoftransformersisoptional.
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:166P.;A4
【正文语种】:英语
