【英文标准名称】:StandardGuideforAircraftElectricalLoadandPowerSourceCapacityAnalysis
【原文标准名称】:飞行器电气载荷和电源容量分析的标准指南
【标准号】:ASTMF2490-2005e1
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:F39.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:ELA;electricalload;electricalloadanalysis;FAA;FederalAviationAdministration
【摘要】:Toshowcompliancewith14CFR23.1351,youmustdeterminetheelectricalsystemcapacity.14CFR23.1351(a)(2)statesthat:4.2.1Fornormal,utility,andacrobaticcategoryairplanes,byanelectricalloadanalysisorbyelectricalmeasurementsthataccountfortheelectricalloadsappliedtotheelectricalsysteminprobablecombinationsandforprobabledurations;and4.2.2Forcommutercategoryairplanes,byanelectricalloadanalysisthataccountsfortheelectricalloadsappliedtotheelectricalsysteminprobablecombinationsandforprobabledurations.Theprimarypurposeoftheelectricalloadanalysis(ELA)istodetermineelectricalsystemcapacity(includinggeneratingsources,converters,contactors,busbars,andsoforth)neededtosupplytheworst-casecombinationsofelectricalloads.Thisisachievedbyevaluatingtheaveragedemandandmaximumdemandsunderallapplicableflightconditions.AsummarycanthenbeusedtorelatetheELAtothesystemcapacityandcanestablishtheadequacyofthepowersourcesundernormal,abnormal,andemergencyconditions.Note18212;TheELAshouldbemaintainedthroughoutthelifeoftheaircrafttorecordchangestotheelectricalsystem,whichmayaddorremoveelectricalloadstothesystem.TheELAthatisproducedforaircraft-typecertificationshouldbeusedasthebaselinedocumentforanysubsequentchanges.Whenpossible,thebasicformatoftheoriginalELAshouldbefollowedtoensureconsistencyinthemethodologyandapproach.TheoriginalELAmaybelackingincertaininformation,forinstance,timeavailableonemergencybattery.ItmaybenecessarytoupdatetheELAusingtheguidancematerialcontainedinthisguide.1.1Thisguidecovershowtoprepareanelectricalloadanalysis(ELA)tomeetFederalAviationAdministration(FAA)requirements.1.2ThevaluesgiveninSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:V40
【国际标准分类号】:49_060
【页数】:8P.;A4
【正文语种】: