ASME SEC VIII D1 MA APP 17-2002 附录17.凹槽或压花装配

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【英文标准名称】:Secondarycellsandbatteriescontainingalkalineorothernon-acidelectrolytes-Secondarylithiumcellsandbatteriesforportableapplications(IEC61960:2011);GermanversionEN61960:2011
【原文标准名称】:含碱性或其它非酸性电解质的蓄电池和畜电池组.便携式二次锂电池和蓄电池组
【标准号】:EN61960-2011
【标准状态】:现行
【国别】:
【发布日期】:2012-04-01
【实施或试行日期】:2012-04-01
【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】:
【英文主题词】:Alkaline;Alkalinebatteries;Batteries;Closed;Cylindricalshape;Definitions;Designcertifications;Designations;Dimensions;Dischargetests;Durability;Electricalengineering;Electricaltesting;Electrolytes;Electrostaticdischarges;Fitnessforpurpose;Gastight;Lithium;Lithiumbatteries;Marking;Overcharging;Parallelthreads;Portable;Rechargeable;Recharging;Safetyrequirements;Sealedcells;Secondarybatteries;Secondarycells;Specification;Specification(approval);Storagebatteries;Testing;Types
【摘要】:
【中国标准分类号】:K84
【国际标准分类号】:29_220_30
【页数】:19P;A4
【正文语种】:英语


【英文标准名称】:Short-circuitcurrentcalculationinthree-phasea.c.systems-Currentsduringtwoseparatesimultaneoussinglephaseline-to-earthshortcircuitsandpartialshort-circuitcurrentsflowingthroughearth
【原文标准名称】:三相交流系统短路电流计算.两个独立同时单相对地短路和部分短路电流流入大地情况下的电流
【标准号】:BSEN60909-3-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2004-09-07
【实施或试行日期】:2004-09-07
【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;双对地短路;电网;电气工程;电气设备;故障电流;高电压;对地短路;低电压;数学计算;多语种的;短路阻抗;短路;短路电流;单相电路;符号;三相电流;三相电力网
【英文主题词】:Definition;Definitions;Doubleline-to-earthshort-circuits;Electricpowernetworks;Electricalengineering;Electricalequipment;Faultcurrents;Highvoltage;Line-to-earthshort-circuits;Lowvoltage;Mathematicalcalculations;Multilingual;Shortcircuitimpedance;Shortcircuits;Short-circuitcurrents;Single-phasecircuits;Symbols;Three-phasecurrent;Three-phasenetworks
【摘要】:ThispartofIEC60909specifiesproceduresforcalculationoftheprospectiveshort-circuitcurrentswithanunbalancedshortcircuitinhigh-voltagethree-phaseACsystemsoperatingatnominalfrequency50Hzor60Hz,i.e.a)currentsduringtwoseparatesimultaneousline-to-earthshortcircuitsinisolatedneutralorresonantearthedneutralsystems;b)partialshort-circuitcurrentsflowingthroughearthincaseofsingleline-to-earthshortcircuitinsolidlyearthedorlow-impedanceearthedneutralsystems.Thecurrentscalculatedbytheseproceduresareusedwhendetermininginducedvoltagesortouchorstepvoltagesandriseofearthpotentialatastation(powerstationorsubstation).Thisstandarddoesnotcover:a)short-circuitcurrentsdeliberatelycreatedundercontrolledconditionsasinshort-circuittestingstations,orb)short-circuitcurrentsintheelectricalinstallationsonboardshipsoraeroplanes,orc)singleline-to-earthfaultsinisolatedorresonantearthedsystems.Theobjectofthisstandardistoestablishpracticalandconciseproceduresforthecalculationofline-to-earthshort-circuitcurrentsduringtwoseparatesimultaneousline-to-earthshortcircuitsandpartialshort-circuitcurrentsthroughearthfromelectricalinstallations,leadingtoconservativeresultswithsufficientaccuracy.Forthispurpose,thecurrentisdeterminedbyconsideringanequivalentvoltagesourceappliedattheshort-circuitlocationwithallothersourcessettozero.Theprocedureissuitablefordeterminationbymanualmethodsordigitalcomputation.ThisstandardisanadditiontoIEC60909-0.Generaldefinitions,symbolsandcalculationassumptionsrefertothatpublication.Specialitemsonlyaredefinedorspecifiedinthisdocument.Thisdoesnotexcludetheuseofspecialmethods,forexamplethesuperpositionmethod,adjustedtoparticularcircumstances,iftheygiveatleastthesameprecision.AsstatedinIEC60909-0,short-circuitcurrentsandtheirparametersmayalsobedeterminedbysystemtests.Thecalculationoftheshort-circuitparametersbasedontherateddataoftheelectricalequipmentandthetopologicalarrangementofthesystemhastheadvantageofbeingpossiblebothforexistingsystemsandforsystemsattheplanningstage.
【中国标准分类号】:K04
【国际标准分类号】:17_220_01;29_240_20
【页数】:36P.;A4
【正文语种】:英语