EN 60146-1-1-1993 半导体变流器.第1部分:电网换相变流器和一般要求.第1-1部分:基本要求规范
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来源:标准资料网
【英文标准名称】:Semiconductorconvertors;generalrequirementsandline-commutatedconvertors;part1-1:specificationsofbasicrequirements(IEC60146-1-1:1991);GermanversionEN60146-1-1:1993
【原文标准名称】:半导体变流器.第1部分:电网换相变流器和一般要求.第1-1部分:基本要求规范
【标准号】:EN60146-1-1-1993
【标准状态】:现行
【国别】:
【发布日期】:1994-03
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电子设备及元件;整流器;半导体闸流管;检验;半导体工程;电容性负载;扼流圈;整流二极管;逆变器;电气工程;半导体整流器;电容器;半导体;电力变换器;晶体管;额定值;作标记;半导体二极管;电子工程;效率;断路器;组件;电力电子学;半导体功率转换器;变压器;规范(验收);试验;定义;阀门;半导体器件
【英文主题词】:Capacitiveloads;Capacitors;Chokes(electric);Circuit-breakers;Components;Definition;Definitions;Efficiency;Electricconvertors;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Inspection;Inverters;Linecommutation;Marking;Powerelectronics;Ratings;Rectifierdiodes;Rectifiers;Semiconductordevices;Semiconductordiodes;Semiconductorengineering;Semiconductorpowerconvertors;Semiconductorrectifiers;Semiconductors;Specification(approval);Testing;Thyristors;Transformers;Transistors;Valves
【摘要】:
【中国标准分类号】:L43
【国际标准分类号】:29_200
【页数】:50P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 八九式警服 长袖衬衣 |
| 中标分类： |
综合 >>
社会公共安全 >>
社会公共安全综合 |
| 发布日期： | |
| 实施日期： | 1991-02-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
适用范围
没有内容
前言
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目录
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引用标准
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所属分类： 综合 社会公共安全 社会公共安全综合
【英文标准名称】:StandardTestMethodforDeterminationofParticleContributionfromGasDistributionSystemValves
【原文标准名称】:测定从气体分配系统阀门产生的粒子成分的标准试验方法
【标准号】:ASTMF1394-1992(2005)
【标准状态】:现行
【国别】:
【发布日期】:1992
【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】:F01.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;阀门;分配系统;气体分配
【英文主题词】:Condensationnucleuscounter(CNC);Electricalconductors-semiconductors;Flowandflowrate-semiconductorapplications;Gasdistributionsystems;Laserparticlecounter(LPC);Lasersandlaserapplications;Mechanicalstress;Minimumdetectionlim
【摘要】:Thepurposeofthistestmethodistodefineaprocedurefortestingcomponentsintendedforinstallationintoahigh-puritygasdistributionsystem.Applicationofthistestmethodisexpectedtoyieldcomparabledataamongcomponentstestedforthepurposesofqualificationforthisinstallation.BackgroundTesting8212;Thistestmethodusesbackgroundtestingtoensurethatthesystemisnotcontributingparticlesabovealow,acceptablelevel.Thisensuresthatcountsseenarefromthetestdevice,notfromacontaminatedsystem.Thetechniquesusedtoobtainbackgroundcountsdonotproduceconditionsidenticaltotheconditionsexistingwhenatestdeviceisinplace.Itisrecommendedthatthecontrolproductsberunperiodicallytoseethattheygiveconsistentresults.Thesecontrolproductsshouldbethelowestparticlereleaseproducts.Theywillbeadditionalproofthatthesystemisnotcontributingexcessparticlesduringthestatic,dynamic,orimpactportionsofthetest.Thistestmethodcanbeusedfortestinglengthsoftubing.Theflowcriteriawillbeidenticaltothatindicatedforvalves.Atubingtestwouldonlyincludethestaticbackground,theimpactbackground,andthestaticandimpactportionsofthemethod.Adynamicportioncouldbeaddedbyactuatingtheupstreampneumaticvalve(PV1),thuscreatingaflowsurgetothetestlengthoftubing.1.1Thistestmethodcoversgasdistributionsystemcomponentsintendedforinstallationintoahigh-puritygasdistributionsystem.1.1.2Thistestmethoddescribesaproceduredesignedtodrawstatisticallysignificantcomparisonsofparticulategenerationperformanceofvalvestestedunderaggressiveconditions.1.1.3Thistestmethodisnotintendedasamethodologyformonitoringon-goingparticleperformanceonceaparticularvalvehasbeentested.1.2Thistestmethodutilizesacondensationnucleuscounter(CNC)appliedtoin-linegasvalvestypicallyusedinsemiconductorapplications.Itappliestoautomaticandmanualvalvesofvarioustypes(suchasdiaphragmsorbellows),6.3through12.7-mm(1/4through1/2-in.)size.Forapplicationsofthistestmethodtolargervalves,seethetableintheappendix.1.2.1Valveslargerthan12.7mm(1/2in.)canbetestedbythismethodology.Theteststandmustbesizedaccordingly.Componentslargerthan12.7mm(1/2in.)shouldbetestedwhilemaintainingaReynoldsnumberof20000to21000.ThisistheReynoldsnumberfor12.7-mm(1/2-in.)componentstestedatavelocityof30.5m/s(100ft/s).1.3Limitations:1.3.1Thistestmethodisapplicabletototalparticlecountgreaterthantheminimumdetectionlimit(MDL)ofthecondensationnucleusparticlecounteranddoesnotconsiderclassifyingdataintovarioussizeranges.1.3.1.1Itisquestionablewhethersignificantdatacanbegeneratedfromnondynamiccomponents(suchasfittingsandshortlengthsoftubing)tocompare,withstatisticalsignificance,tothedatageneratedfromthespoolpiece.Forthisreason,thistestmethodcannotreliablysupportcomparisonsbetweenthesetypesofcomponents.1.3.1.2Ifdetectionorclassificationofparticles,orboth,inthesizerangeoflaserparticlecounter(LPC)technologyisofinterest,anLPCcanbeutilizedfortestingcomponents.Flowrates,testtimes,samplingapparatus,anddataanalysisoutlinedinthistestmethoddonotapplyforusewithanLPC.Becauseofthesevariations,datafromCNCsarenotcomparabletodatafromLPCs.1.3.2Thistestmethodspecifiesflowandmechanicalstressconditionsinexcessofthoseconsideredtypical.Theseconditionsshouldnotexceedthoserecommendedbythemanufacturer.Actualperformanceundernormaloperatingconditionsmayvary.......
【中国标准分类号】:J16
【国际标准分类号】:23_060_20;23_060_10
【页数】:27P.;A4
【正文语种】:
