【英文标准名称】:TestMethodforConcreteSewerManholesbytheNegativeAirPressure(Vacuum)Test(Metric)
【原文标准名称】:负压(真空)试验测定混凝土污水管人孔的试验方法(米制)
【标准号】:ASTMC1244M-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:人孔;混凝土构件;污水处理工厂;试验
【英文主题词】:testing;concretecomponents;sewagedisposalplants;manholes
【摘要】:
【中国标准分类号】:Q14
【国际标准分类号】:91_100_30
【页数】:3P;A4
【正文语种】:英语


【英文标准名称】:Selectionanddimensioningofhigh-voltageinsulatorsintendedforuseinpollutedconditions-Part3:Polymerinsulatorsfora.c.systems
【原文标准名称】:污染条件下用高压绝缘子的选择和定尺寸.第3部分:交流系统用聚合体绝缘子
【标准号】:IEC/TS60815-3-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-10
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC36
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电网络;交流电压;污染;定义;尺寸选定;尺寸;污垢;电缆;电绝缘子;电气工程;环境;环境条件;高电压;高压绝缘;高压线路;高压系统;绝缘子串;绝缘子;极限偏差;作标记;材料;机械性能;架空线;参数;塑料绝缘子;高聚物;额定电压;额定值;选择;固体电气绝缘材料;规范;试验
【英文主题词】:Alternatingcurrentnetworks;Alternatingvoltages;Contamination;Definitions;Dimensioning;Dimensions;Dirt;Electriccables;Electricinsulators;Electricalengineering;Environment;Environmentalcondition;Highvoltage;High-voltageinsulator;High-voltagelines;High-voltagesystem;Insulatorstrings;Insulators;Limitdeviations;Marking;Materials;Mechanicalproperties;Overheadpowerlines;Parameters;Plasticsinsulator;Polymers;Ratedvoltage;Ratings;Selection;Solidelectricalinsulatingmaterials;Specifications;Testing
【摘要】:IEC/TS60815-3,whichisatechnicalspecification,isapplicabletotheselectionofpolymerinsulatorsfora.c.systems,andthedeterminationoftheirrelevantdimensions,tobeusedinhighvoltagesystemswithrespecttopollution.ThispartofIEC/TS60815givesspecificguidelinesandprinciplestoarriveataninformedjudgementontheprobablebehaviourofagiveninsulatorincertainpollutionenvironmentsThecontentsofthistechnicalspecificationarebasedonCIGRE33.13TF01documents[1],[2]1,whichformausefulcomplementtothistechnicalspecificationforthosewishingtostudyingreaterdepththeperformanceofinsulatorsunderpollutionThistechnicalspecificationdoesnotdealwiththeeffectsofsnoworiceonpollutedinsulators.AlthoughthissubjectisdealtwithbyCIGRE[3],currentknowledgeisverylimitedandpracticeistoodiverseTheobjectofthistechnicalspecificationistogivetheusermeansto~determinethereferenceunifiedspecificcreepagedistance(USCD)fromsitepollutionseverity(SPS)class,~chooseappropriateprofiles,~applycorrectionfactorsforaltitude,insulatorshape,sizeandposition,etctothereferenceUSCD.
【中国标准分类号】:K48
【国际标准分类号】:29_080_10;29_260_99
【页数】:20P;A4
【正文语种】:英语