NF C53-701-2009 高电压直流(HVDC)电力传输用电压源换流器(VSC)电子管.电气试验
作者:标准资料网 时间:2024-05-28 03:00:57 浏览:8765
来源:标准资料网
【英文标准名称】:Voltagesourcedconverter(VSC)valvesforhigh-voltagedirectcurrent(HVDC)powertransmission-Electricaltesting.
【原文标准名称】:高电压直流(HVDC)电力传输用电压源换流器(VSC)电子管.电气试验
【标准号】:NFC53-701-2009
【标准状态】:现行
【国别】:法国
【发布日期】:2009-12-01
【实施或试行日期】:2009-12-04
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:换流器;定义;测定;直流电传输;电气工程;电气试验;高电压;高压试验技术;耐高压试验;测量;测量技术;电压互感器;规范(验收);试验技术;试验;试验条件;试验电压
【英文主题词】:Convertervalve;Definitions;Determinations;Direct-currentpowertransmission;Electricalengineering;Electricaltesting;Highvoltage;High-voltagetesttechnique;High-voltagetests;Measurement;Measuringtechniques;Potentialtransformers;Specification(approval);Testtechniques;Testing;Testingconditions;Testingvoltages
【摘要】:
【中国标准分类号】:K46
【国际标准分类号】:17_220_20;29_130_10
【页数】:49P;A4
【正文语种】:其他
【英文标准名称】:Refractorytestpiecepreparation-Gunningrefractorypanelsbythepneumatic-nozzlemixingtypeguns
【原文标准名称】:耐火试样的制备.用气压调节混合型枪喷涂耐火板
【标准号】:BSENISO20182-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2009-09-30
【实施或试行日期】:2009-09-30
【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】:陶瓷;定义(术语);材料;材料试验;喷嘴;气动的;原材料;耐火料;耐火材料;耐熔制品;试样制备;喷雾器;试样;测试
【英文主题词】:Ceramics;Definitions;Materials;Materialstesting;Nozzles;Pneumatic;Rawmaterials;Refractories;Refractorymaterials;Refractoryproducts;Specimenpreparation;Sprayingmachines;Testspecimens;Testing
【摘要】:
【中国标准分类号】:Q40
【国际标准分类号】:81_080
【页数】:14P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingThermalNeutronReactionRatesandThermalNeutronFluenceRatesbyRadioactivationTechniques
【原文标准名称】:用放射性技术测定热中子反应和注量率的标准试验方法
【标准号】:ASTME262-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E10.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Cobaltmethod;Fluence;Neutronactivationreactions;Standardfoiltechnique;Thermalneutronflux
【摘要】:Thistestmethodcanbeextendedtouseanymaterialthathasthenecessarynuclearandactivationpropertiesthatsuittheexperimenter''sparticularsituation.Noattempthasbeenmadetofullydescribethemyriadproblemsofcountingtechniques,neutron-fluencedepression,andthick-foilself-shielding.Itisassumedthattheexperimenterwillrefertoexistingliteratureonthesesubjects.Thistestmethoddoesofferarefereetechnique(thestandardgoldfoilirradiationatNationalInstituteofStandardsandTechnology(NIST)toaidtheexperimenterwhenheisindoubtofhisabilitytoperformtheradiometrictechniquewithsufficientaccuracy.Thestandardcomparisontechniqueusesasetoffoilsthatareasnearlyidenticalaspossibleinshapeandmass.Thefoilsarefabricatedfromanymaterialthatactivatesbyan(n,x03B3;)reaction,preferablyhavingacrosssectionapproximatelyinverselyproportionaltoneutronspeedinthethermalenergyrange.Someofthefoilsareirradiatedinaknownneutronfield(atNIST)orotherstandardslaboratory).Thefoilsarecountedinafixedgeometryonastableradiation-detectinginstrument.Theneutroninducedreactionrateofthefoilsiscomputedfromthecountingdata,andtheratiooftheknownneutronfluenceratetothecomputedreactionrateisdetermined.Foranygivenfoil,neutronenergyspectrum,andcountingset-up,thisratioisaconstant.Otherfoilsfromtheidenticalsetcannowbeexposedtoanunknownneutronfield.Themagnitudeofthefluencerateintheunknownfieldcanbeobtainedbycomparingthereactionratesasdeterminedfromthecountingdatafromtheunknownandreferencefield,withpropercorrectionstoaccountforspectraldifferencesbetweenthetwofields(seeSection5).Oneimportantfeatureofthistechniqueisthatiteliminatestheneedforknowingthedetectorefficiency.1.1Thepurposeofthistestmethodistodefineageneralprocedurefordetermininganunknownthermal-neutronfluenceratebyneutronactivationtechniques.Itisnotpracticabletodescribecompletelyatechniqueapplicabletothelargenumberofexperimentalsituationsthatrequirethemeasurementofathermal-neutronfluencerate.Therefore,thismethodispresentedsothattheusermayadapttohisparticularsituationthefundamentalproceduresofthefollowingtechniques.1.1.1Radiometriccountingtechniqueusingpurecobalt,puregold,pureindium,cobalt-aluminum,alloy,gold-aluminumalloy,orindium-aluminumalloy.1.1.2Standardcomparisontechniqueusingpuregold,orgold-aluminumalloy,and1.1.3Secondarystandardcomparisontechniquesusingpureindium,indium-aluminumalloy,puredysprosium,ordysprosium-aluminumalloy.1.2Thetechniquespresentedarelimitedtomeasurementsatroomtemperatures.However,specialproblemswhenmakingthermal-neutronfluenceratemeasurementsinhigh-temperatureenvironmentsarediscussedin9.2.Forthosecircumstanceswheretheuseofcadmiumasathermalshieldisundesirablebecauseofpotentialspectrumperturbationsoroftemperaturesabovethemeltingpointofcadmium,themethoddescribedinTestMethodE481canbeusedinsomecases.Alternatively,gadoliniumfiltersmaybeusedinsteadofcadmium.Forhightemperatureapplicationsinwhichaluminumalloysareunsuitable,otheralloyssuchascobalt-nickelorcobalt-vanadiumhavebeenused.1.3Thistestmethodmaybeusedtodeterminetheequivalent2200m/sfluencerate.Theaccuratedeterminationoftheactualthermalneutronfluenceraterequiresknowledgeoftheneutrontemperature,anddeterminationoftheneutrontemperatureisnotwithinthescopeofthestandard.1.4Thetechniquespresentedaresuitableon......
【中国标准分类号】:F74
【国际标准分类号】:27_120_30
【页数】:9P.;A4
【正文语种】:英语
