BS EN 3475-603-2011 航空航天系列.航空器用电缆.试验方法.耐湿电弧痕迹性

作者:标准资料网 时间:2024-05-20 03:40:46  浏览:9549   来源:标准资料网

【英文标准名称】:Aerospaceseries.Cables,electrical,aircraftuse.Testmethods.Resistancetowetarctracking
【原文标准名称】:航空航天系列.航空器用电缆.试验方法.耐湿电弧痕迹性
【标准号】:BSEN3475-603-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-06-30
【实施或试行日期】:2011-06-30
【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】:
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Arcresistance;Cables;Electricarcs;Electriccables;Electricconductors;Electrical;Electricalcords;Spacetransport;Specification(approval);Testing
【摘要】:ThisEuropeanstandardspecifiesamethodofassessingthebehaviourofcableinsulationsubjecttoanelectricarcinitiatedandmaintainedbycontaminatingfluidalongthesurfaceoftheinsulation.ThisstandardshallbeusedtogetherwithEN3475-100.Theprimaryaimofthistestis:?toproduce,inacontrolledfashion,continuousfailureeffects,whicharerepresentativeofthose,whichmayoccurinservicewhenatypicalcablebundleisdamagedandsubjectedtoaqueousfluidcontamination.Electricalarcingoccursalongthesurfaceoftheinsulationbetweendamagesitesonadjacentcables;and?toexaminetheaptitudeoftheinsulationtotrack,topropagateelectricarctotheelectricalorigin.Originallydefinedfor115Vacnetwork,thistestalsoproposesconditionsfor230Vacnetwork.Unlessotherwisespecifiedinproductstandard,only115Vacconditionsshallbesatisfied.Sixlevelsofprospectivefaultcurrenthavebeenspecifiedforconcernedcablesizes(seeClause7).Itisagreedthatsizeslargerthan051neednotbeassessedsincetheshort-circuitphenomenonbecomesdominantatlowlineimpedances.Unlessotherwisespecifiedinthetechnical/productstandardsizes002,006and020cableshallbeassessed.
【中国标准分类号】:K13
【国际标准分类号】:49_060
【页数】:16P.;A4
【正文语种】:英语