【英文标准名称】:Methodsoftestforwindingwires-Part4:Chemicalproperties(IEC851-4:1985+A1:1992);GermanversionEN60851-4:1994
【原文标准名称】:绕组线试验方法.第4部分:化学性能
【标准号】:DINEN60851-4-1995
【标准状态】:作废
【国别】:德国
【发布日期】:1995-11
【实施或试行日期】:
【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】:化学性质;漆包线;电气工程;绕组线;圆导线;瓷漆的;特性;电线;试验
【英文主题词】:enamelled;electricalengineering;enamelledwires;properties;testing;roundwires;windingwires;chemicalproperties;electricwires
【摘要】:
【中国标准分类号】:K12
【国际标准分类号】:29_060_10
【页数】:10P;A4
【正文语种】:德语


【英文标准名称】:Resistibilityrequirementstoovervoltagesandovercurrentsduetolightningforequipmenthavingtelecommunicationports
【原文标准名称】:有通信站的设备耐受由放电火花引起的过电压和过电流的要求
【标准号】:BSEN50468-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-07-31
【实施或试行日期】:2009-07-31
【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】:通信连接;通信设备;通信网;通信;定义(术语);电气工程;电阻率;抗扰度;抗干扰度;干扰(波物理学);闪电;避雷装置;过电流;过电流保护;过电压;过电压保护装置;耐力;抗破坏性;电信;电信系统;电讯;终端
【英文主题词】:Communicationconnections;Communicationequipment;Communicationnetworks;Communications;Definitions;Electricalengineering;Electricalresistivity;Immunity;Interferencerejections;Interference(wavephysics);Lightning;Lightningprotection;Overcurrent;Overcurrentprotection;Overvoltage;Overvoltageprotection;Resistance;Resistancetodestruction;Telecommunication;Telecommunicationsystems;Telecommunications;Terminals
【摘要】:ThisEuropeanStandardspecifiestheminimumlevelofresistibilityofequipmenthavingtelecommunicationport(s)toovervoltagesandovercurrents.ThisEuropeanStandardcoverstelecommunicationequipmentinstalledatcustomerpremisesasshowninFigure1.OvervoltagesorovercurrentscoveredbythisEuropeanStandardaresurgesduetodirectorindirectlightningonthetelecommunicationlineplant.OvervoltagesorovercurrentnotcoveredbythisEuropeanStandardare–short-terminductionofalternatingvoltagesfromelectricpowersystems(includingelectrifiedrailway),–earthpotentialriseduetopowerfaultsorloadswitching,–directcontactsbetweentelecommunicationlinesandlowvoltagepowerlines.ThisEuropeanStandardisintendedforusebynetwork(public/private)operatorsandtheequipmentmanufacturers.ThisEuropeanStandardappliestoequipmenthavingtelecommunicationport(s)connectedtoexternalconductors,i.e.conductorlocatedoutsidethecustomer’sbuilding.Thetestsaretypetestsand,althoughtheyareapplicabletoacompletesystem,itisrecognisedthattheymaybeappliedtoindividualitemsofequipmentduringdevelopmentanddesignwork.
【中国标准分类号】:K09
【国际标准分类号】:29_120_50;91_120_40
【页数】:16P.;A4
【正文语种】:英语