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SAE AMS3248 Ethylene Propylene (EPM) Rubber, Phosphate Ester Resistant, 55-65

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Product Code:SAE AMS3248
Title:Ethylene Propylene (EPM) Rubber, Phosphate Ester Resistant, 55-65
Issuing Committee:Ams Ce Elastomers Committee
Scope:This specification covers an ethylene propylene (EPM) rubber in the form of sheet, strip, tubing, molded shapes, and extrusions. Primarily for parts, such as gaskets, grommets, and seals requiring resistance to phosphate esters and/or to ozone. Not suitable for use in contact with petroleum base fluids due to excessive swell.
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【英文标准名称】:Teleprotectionequipmentofpowersystems-Performanceandtesting-Commandsystems
【原文标准名称】:电力系统遥护设备.性能和试验.指令系统
【标准号】:BSEN60834-1-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-08-15
【实施或试行日期】:2000-08-15
【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】:性能;电信系统;电气保护设备;信号传输;界面;通信设备;电压;电网;通信链路;电气试验;电气设备;模拟信号;性能试验;定型试验;电力系统;数字信号
【英文主题词】:
【摘要】:ThispartofIEC60834appliestoteleprotectioncommandsystemsusedtoconveycommandinformation,generallyinconjunctionwithprotectionequipment.Itaimsatestablishingperformancerequirementsandrecommendedtestingmethodsforcommandtypeteleprotectionequipment.Theinformationconveyedbytheteleprotectionequipmentcanbeinanalogueordigitalform.Thecommandtypeteleprotectionequipmentreferredtointhisstandardcanbepowerlinecarrierequipmentorvoicefrequencyequipmentwhichisusedinconnectionwithvarioustelecommunicationsystems,suchaspowerlinecarrier(PLC),radiolinks,opticalfibre,rentedcircuits,leasedorprivatelyownedcables.Inadditionthecommandtypeteleprotectioncanbedigitalequipmentwhichisusedwithadigitaltelecommunicationsystemormediasuchasopticalfibres,radiolinks,leasedorprivatelyowneddigitallinks.Thecommandtypeteleprotectionequipmentmaybeseparateorprovidedasanintegralpartoftheprotectionequipment.Inadditiontoteleprotectionequipmentperformancetests,testshavetobecarriedoutonthepowersupplyoftheteleprotectionequipment.Allthetestsshouldberegardedastypetests.NOTE-AccordingtotheInternationalElectrotechnicalVocabulary(IEV),atypetestisdefinedasatestofoneormoredevicesmadetoacertaindesigntoshowthatthedesignmeetscertainspecifications.
【中国标准分类号】:F21
【国际标准分类号】:29_240_30
【页数】:60P;A4
【正文语种】:英语