DIN VDE 0535-2-1982 轨道车辆和公路车辆上用电动机、变压器和电抗器.变压器和电抗器
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来源:标准资料网
【英文标准名称】:Rulesfortractiontransformersandreactors
【原文标准名称】:轨道车辆和公路车辆上用电动机、变压器和电抗器.变压器和电抗器
【标准号】:DINVDE0535-2-1982
【标准状态】:作废
【国别】:德国
【发布日期】:1982-04
【实施或试行日期】:1982-04-00
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:作标记;定义;测量;额定电压;脉冲电压;道路车辆;公差;电气工程;译文;铁道车辆;变压器;安全工程;阻抗电压;额定功率;绕组;冷却;耐电压;脉冲电压试验;电感;电动车辆;直流电流;运载工具;扼流圈;抽头;风冷系统;阻气门;温升
【英文主题词】:
【摘要】:
【中国标准分类号】:T36
【国际标准分类号】:29_180
【页数】:28P;A4
【正文语种】:德语
【英文标准名称】:Cablenetworksfortelevisionsignals,soundsignalsandinteractiveservices-Part1-2:Performancerequirementsforsignalsdeliveredatthesystemoutletinoperation(IEC60728-1-2:2009);GermanversionEN60728-1-2:2009
【原文标准名称】:电视信号、声音信号和交互式设备用电缆网络.第1-2部分:运行系统出口的信号传送性能要求(IEC60728-1-2-2009).德文版本EN60728-1-2-2009
【标准号】:DINEN60728-1-2-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-02
【实施或试行日期】:2010-02-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:天线系统;音频信号;电缆分布系统;电缆电视;电缆电视系统;电缆分配系统;共用天线电视;同轴;同轴电缆;兼容性;定义;电气工程;交互式的;测量;测量技术;性能;性能要求;额定值;接收天线;信号传输;声音广播;规范(验收);电视广播;电视传输;电视信号
【英文主题词】:Antennasystems;Audiosignals;Cabledistributionsystems;Cabletelevision;Cabletelevisionsystem;Cableddistributionsystems;CATV;Coaxial;Coaxialcables;Compatibility;Definitions;Electricalengineering;Interactive;Measurement;Measuringtechniques;Performance;Performancerequirements;Ratings;Receptionantennae;Signaltransmission;Soundbroadcasting;Specification(approval);Televisionbroadcasting;Televisiontransmission;Visionsignals
【摘要】:ThisdocumentprovidestheperformancerequirementsthatshallbefulfilledinoperationatsystemoutletorterminalinputanddescribesthesummationcriteriafortheimpairmentspresentinthereceivedsignalsandthoseproducedbytheCATV/MATV/SMATVcablenetwork,includingindividualreceivingsystems.
【中国标准分类号】:M62
【国际标准分类号】:33_060_40
【页数】:38P.;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforInSituElectromagnetic(Eddy-Current)ExaminationofNonmagneticHeatExchangerTubes
【原文标准名称】:无磁热交换管的现场电磁(涡电流)检验
【标准号】:ASTME690-1998(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:E07.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:金属;管;无损检验;试验;无磁;涡流试验;热交换器
【英文主题词】:eddy-current;electromagnetic;NDT;nondestructivetesting
【摘要】:Eddy-currentexaminationisanondestructivemethodoflocatingdiscontinuitiesintubingmadeofmaterialsthatconductelectricity.Signalscanbeproducedbydiscontinuitieslocatedeitherontheinneroroutersurfacesofthetube,orbydiscontinuitiestotallycontainedwithinthetubewall.Whenusinganinternalprobe,thedensityofeddycurrentsinthetubewalldecreasesveryrapidlyasthedistancefromtheinternalsurfaceincreases;thustheamplitudeoftheresponsetooutersurfacediscontinuitiesdecreasescorrespondingly.Someindicationsobtainedbythismethodmaynotberelevanttoproductquality.Forexample,anirrelevantsignalmaybecausedbymetallurgicalormechanicalvariationsthataregeneratedduringmanufacturebutthatarenotdetrimentaltotheenduseoftheproduct.Irrelevantindicationscanmaskunacceptablediscontinuitiesoccurringinthesamearea.Relevantindicationsarethosethatresultfromnonacceptablediscontinuities.Anyindicationabovetherejectlevel,whichisbelievedtobeirrelevant,shallberegardedasunacceptableuntilitisproventobeirrelevant.Fortubinginstalledinheatexchangers,predictablesourcesofirrelevantindicationsarelands(shortunfinnedsectionsinfinnedtubing),dents,scratches,toolchattermarks,orvariationsincoldwork.Rollingtubesintothesupportsmayalsocauseirrelevantindications,asmaythetubesupportsthemselves.Eddy-currentexaminationsystemsaregenerallynotabletoseparatetheindicationgeneratedbytheendofthetubefromindicationsofdiscontinuitiesadjacenttotheendsofthetube(endeffect).Therefore,thisexaminationmaynotbevalidattheboundariesofthetubesheets.1.1Thispracticedescribesprocedurestobefollowedduringeddy-currentexamination(usinganinternal,probe-type,coilassembly)ofnonmagnetictubingthathasbeeninstalledinaheatexchanger.Theprocedurerecognizesboththeuniqueproblemsofimplementinganeddy-currentexaminationofinstalledtubing,andtheindigenousformsoftube-walldeteriorationwhichmayoccurduringthistypeofservice.Thedocumentprimarilyaddressesscheduledmaintenanceinspectionofheatexchangers,butcanalsobeusedbymanufacturersofheatexchangers,eithertoexaminetheconditionofthetubesafterinstallation,ortoestablishbaselinedataforevaluatingsubsequentperformanceoftheproductafterexposuretovariousenvironmentalconditions.Theultimatepurposeisthedetectionandevaluationofparticulartypesoftubeintegritydegradationwhichcouldresultinin-servicetubefailures.1.2Thispracticedoesnotestablishacceptancecriteria;theymustbespecifiedbytheusingparties.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J75
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:
