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BS EN 60831-1-1998 额定电压小于等于1kV的交流电系统用自动恢复功能型分流电力电容器.总则.性能,测试及评定.安全性要求.安装及操作指南

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【英文标准名称】:Shuntpowercapacitorsoftheself-healingtypefora.c.systemshavingaratedvoltageuptoandincluding1kV-General-Performance,testingandrating-Safetyrequirements-Guideforinstallationandoperation
【原文标准名称】:额定电压小于等于1kV的交流电系统用自动恢复功能型分流电力电容器.总则.性能,测试及评定.安全性要求.安装及操作指南
【标准号】:BSEN60831-1-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-05-15
【实施或试行日期】:1998-05-15
【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】:交流电流;交流电网络;交流电压;监督(认可);电容器组;电容器;容量;定义;定义(术语);尺寸选定;损耗因数;电气工程;电气安全性;电磁兼容性;电磁兼容性(EMC);单次放电;批注;装配;额定电压装置;安装说明;雷涌试验;维护说明书;作标记;数学计算;测量;测量精度;使用条件;工作温度;过载电流;过电压;并联电容器;性能;工作特性;电力电容器;精密度;保护设备;质量;质量要求;额定电压;工作电压;安全性;安全性要求;自体愈合;开关设备;测试;验证;电压测量
【英文主题词】:Alternatingcurrent;Alternatingcurrentnetworks;Alternatingvoltages;Batteries;Capacitorbanks;Capacitors;Capacity;Definition;Definitions;Dimensioning;Dissipationfactor;Electricalengineering;Electricalsafety;Electromagneticcompatibility;EMC;Impulsedischarge;Inscription;Installation;Installationsforratedvoltages;Instructionsofinstallation;Lightningsurgetest;Maintenanceinstructions;Marking;Mathematicalcalculations;Measurement;Measuringaccuracy;Operatingconditions;Operatingtemperatures;Overloadcurrent;Overvoltage;Parallel-capacitors;Performance;Performancecharacteristics;Powercapacitors;Precision;Protectiondevices;Quality;Qualityrequirements;Ratedvoltage;Ratedvoltages;Safety;Safetyrequirements;Selfhealing;Switchgears;Testing;Verification;Voltagemeasurement
【摘要】:ThispartofIEC831isapplicabletobothcapacitorunitsandcapacitorbanksintendedtobeused,particularly,forpower-factorcorrectionofa.c.powersystemshavingaratedvoltageuptoandincluding1000Vandfrequencies15Hzto60Hz.ThispartofIEC831alsoappliestocapacitorsintendedforuseinpowerfiltercircuits.Additionaldefinitions,requirements,andtestsforfiltercapacitorsaregiveninannexA.ThefollowingcapacitorsareexcludedfromthispartofIEC831:-Shuntpowercapacitorsofthenon-self-healingtypefora.c.systemshavingaratedvoltageuptoandincluding1000V(IEC931).-Shuntcapacitorsfora.c.powersystemshavingaratedvoltageabove1000V(IEC871).-Capacitorsforinductiveheat-generatingplantsoperatingatfrequenciesbetween40Hzand24000Hz(IEC110).-Seriescapacitors(IEC143).-Capacitorsformotorapplicationsandthelike(IEC252).-Couplingcapacitorsandcapacitordividers(IEC358).-Capacitorstobeusedinpowerelectroniccircuits(IEC1071).-Smalla.c.capacitorstobeusedforfluorescentanddischargelamps(IEC1048andIEC1049).-Capacitorsforsuppressionofradiointerference(underconsideration).-Capacitorsintendedtobeusedinvarioustypesofelectricalequipment,andthusconsideredascomponents.-Capacitorsintendedforusewithd.c.voltagesuperimposedonthea.c.voltage.Accessoriessuchasinsulators,switches,instrumenttransformers,fuses,etc.,shouldbeinaccordancewiththerelevantIECstandards.TheobjectofthispartofIEC831isto:a)formulateuniformrulesregardingperformances,testingandrating;b)formulatespecificsafetyrules;c)provideaguideforinstallationandoperation.
【中国标准分类号】:K42
【国际标准分类号】:31_060_70
【页数】:40P;A4
【正文语种】:英语


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【英文标准名称】:Steelproductsforpressurepurposes.Derivationandverificationofelevatedtemperatureproperties.Analternativeprocedureforderivingtheelevatedtemperatureyieldorproofstresspropertieswhendataarelimited
【原文标准名称】:压力用钢制品.温升特性的导出和证明.第3部分:当数据给定时导出温升屈服或试验应力特性的选择程序
【标准号】:DDENV22605-3-1992
【标准状态】:现行
【国别】:英国
【发布日期】:1992-04-01
【实施或试行日期】:1992-04-01
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:实验数据;回归分析;数据分析;弹性极限应力;屈服应力;压力容器;压力装置;钢;高温
【英文主题词】:dataanalysis;steels;pressureequipment;proofstress;yieldstress;experimentaldata;regressionanalysis;hightemperatures;pressurevessels
【摘要】:
【中国标准分类号】:J74
【国际标准分类号】:77_140_30
【页数】:12P;A4
【正文语种】:英语


【英文标准名称】:Stationarysourceemissions-Determinationofthewatervapourinducts
【原文标准名称】:固定源排放.管道中水蒸汽的测定
【标准号】:BSEN14790-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2006-01-16
【实施或试行日期】:2006-01-16
【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】:空气污染;空气净化;空气质量;烟囱;浓度;定义;管道;排放;排气管路;现场试验;废气管;废气出口;废气;焚烧(废弃物);测量;测量技术;潮气;监测;额定值;参考方法;垃圾焚化;固定的;蒸汽;监督(认可);温度;含水量
【英文主题词】:
【摘要】:ThisEuropeanStandarddescribesthecondensation/adsorptiontechnique,includingthesamplingsystem,todeterminethewatervapourconcentrationinthefluegasesemittingtoatmospherefromductsandstacks.ThistechniqueisusuallyusedalloverEuropeforwatervapourmonitoring.HowevertobeimplementedastheStandardReferenceMethod(SRM),theuserhastodemonstratethattheperformancecharacteristicsofthemethodarebetterthantheperformancecriteriadefinedinthisEuropeanStandardandthattheoveralluncertaintyofthemethodislessthan±20%ofthemeasuredvalue.ThisEuropeanStandardastheStandardReferenceMethod(SRM)isusedforperiodicmonitoringandforcalibrationorcontrolofAutomaticMeasuringSystems(AMS)permanentlyinstalledonastack,forregulatorypurposesorotherpurposes.AnAlternativeMethodtothisSRMmaybeusedprovidedthattheusercandemonstrateequivalenceaccordingtotheTechnicalSpecificationCEN/TS14793,tothesatisfactionofhisnationalaccreditationbodyorlaw.Thedeterminationofwatervapourismainlynecessaryfor:?regulatorypurposes,toexpresstheconcentrationatstandardconditions(ondrygas);?adjusttheflowrateforisokineticsampling,whenadrygasflowratemeteringdeviceisused.Forbothapplications,thequantitytobemeasuredistheamountofwaterpresentinthegasphase(vapour),whichdoesnotincludewaterdroplets.ThisEuropeanStandardisapplicableintherangefrom4%to40%relativehumidityandforwatervapourconcentrationfrom29g/m3to250g/m3asawetgas,althoughforagiventemperaturetheupperlimitofthemethodisrelatedtothemaximumpressureofwaterinairorinthegas.ThisEuropeanStandardhasbeenevaluatedduringfieldtestsonwasteincineration,co-incinerationandlargecombustioninstallations.Ithasbeenvalidatedforsamplingperiodsof30minintheconcentrationrangeof7%to26%volume.InthisEuropeanStandardalltheconcentrationsareexpressedinnormalconditions(273Kand101,3kPa).NOTEForsaturatedconditionsthecondensation/adsorptionmethodisnotapplicable.SomeguidanceisgiveninthisEuropeanStandardtodealwithfluegaswhendropletsarepresent.
【中国标准分类号】:Z60
【国际标准分类号】:13_040_40
【页数】:46P.;A4
【正文语种】:英语