ASTM D3612-2002 用气体色谱分离法分析电绝缘油中溶解的气体成分的标准试验方法

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【英文标准名称】:StandardTestMethodforAnalysisofGasesDissolvedinElectricalInsulatingOilbyGasChromatography
【原文标准名称】:用气体色谱分离法分析电绝缘油中溶解的气体成分的标准试验方法
【标准号】:ASTMD3612-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D27.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电绝缘;电气工程;绝缘液体;绝缘油;分析;溶解气体;气体
【英文主题词】:capillarycolumns;combustiblegases;dissolvedgases;gases;headspace;insulatingoil;oil;transformeroil
【摘要】:Oilandoil-immersedelectricalinsulationmaterialsmaydecomposeundertheinfluenceofthermalandelectricalstresses,andindoingso,generategaseousdecompositionproductsofvaryingcompositionwhichdissolveintheoil.Thenatureandamountoftheindividualcomponentgasesthatmayberecoveredandanalyzedmaybeindicativeofthetypeanddegreeoftheabnormalityresponsibleforthegasgeneration.Therateofgasgenerationandchangesinconcentrationofspecificgasesovertimearealsousedtoevaluatetheconditionoftheelectricapparatus.Note18212;Guidelinesfortheinterpretationofgas-in-oildataaregiveninIEEEC57.104.1.1Thistestmethodcoversthreeproceduresforextractionandmeasurementofgasesdissolvedinelectricalinsulatingoilhavingaviscosityof20cSt(100SUS)orlessat40176;C(104176;F),andtheidentificationanddeterminationoftheindividualcomponentgasesextracted.Othermethodshavebeenusedtoperformthisanalysis.1.2Theindividualcomponentgasesthatmaybeidentifiedanddeterminedinclude:Hydrogen8212;H2Oxygen8212;O2Nitrogen8212;N2Carbonmonoxide8212;COCarbondioxide8212;CO2Methane8212;CH4Ethane8212;C2H6Ethylene8212;C2H4Acetylene8212;C2H2Propane8212;C3H8Propylene8212;C3H6