【英文标准名称】:StandardTestMethodforAnalysisofGasesDissolvedinElectricalInsulatingOilbyGasChromatography
【原文标准名称】:用气相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(2009)
【标准状态】:现行
【国别】:美国
【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】:
【英文主题词】:capillarycolumns;combustiblegases;dissolvedgases;gases;headspace;insulatingoil;oil;transformeroil;Dissolvedgases;Electricalinsulatingoils;Gaschromatography(GC)--insulatingmaterials/applications;Gascontent
【摘要】:Oilandoil-immersedelectricalinsulationmaterialsmaydecomposeundertheinfluenceofthermalandelectricalstresses,andindoingso,generategaseousdecompositionproductsofvaryingcompositionwhichdissolveintheoil.Thenatureandamountoftheindividualcomponentgasesthatmayberecoveredandanalyzedmaybeindicativeofthetypeanddegreeoftheabnormalityresponsibleforthegasgeneration.Therateofgasgenerationandchangesinconcentrationofspecificgasesovertimearealsousedtoevaluatetheconditionoftheelectricapparatus.Note18212;Guidelinesfortheinterpretationofgas-in-oildataaregiveninIEEEC57.104.1.1Thistestmethodcoversthreeproceduresforextractionandmeasurementofgasesdissolvedinelectricalinsulatingoilhavingaviscosityof20cSt(100SUS)orlessat40x00B0;C(104x00B0;F),andtheidentificationanddeterminationoftheindividualcomponentgasesextracted.Othermethodshavebeenusedtoperformthisanalysis.1.2Theindividualcomponentgasesthatmaybeidentifiedanddeterminedinclude:
Hydrogenx2014;H2
Oxygenx2014;O2
Nitrogenx2014;N2
Carbonmonoxidex2014;CO
Carbondioxidex2014;CO2
Methanex2014;CH4
Ethanex2014;C2H6
Ethylenex2014;C2H4
Acetylenex2014;C2H2
Propanex2014;C3H8
Propylenex2014;C3H6