【英文标准名称】:Mineraloil-filledelectricalequipment-Applicationofdissolvedgasanalysis(DGA)tofactorytestsonelectricalequipment
【原文标准名称】:填充矿物油的电气设备.溶解气体分析(DGA)用于电气设备工厂试验
【标准号】:IEC61181-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-02
【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/TC10
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;溶解气体;电器;电气工程;电绝缘材料;电绝缘;电驱动装置;萃取;气体分析;气体;煤气;浸渍的;浸渍材料;电感线圈;仪表变压器;绝缘材料;方法;充油电气设备;油;污染控制;电力变压器;抽样方法;规范(验收);试验;工作试验
【英文主题词】:Analysis;Dissolvedgases;Electricappliances;Electricalengineering;Electricalinsulatingmaterials;Electricalinsulation;Electrically-operateddevices;Endurancetesting;Extraction;Gasanalysis;Gases;Impregnated;Impregnatedmaterials;Inductancecoils;Instrumenttransformers;Insulatingmaterials;Methods;Oil-filledelectricalequipment;Oils;Pollutioncontrol;Powertransformers;Samplingmethods;Specification(approval);Testing;Worktest
【摘要】:ThisInternationalStandardspecifiesoil-samplingprocedures,analysisrequirementsandprocedures,andrecommendssensitivity,repeatabilityandaccuracycriteriafortheapplicationofdissolvedgasanalysis(DGA)tofactorytestingofnewpowertransformers,reactorsandinstrumenttransformersfilledwithmineralinsulatingoilwhenDGAtestinghasbeenspecified.ThemosteffectiveandusefulapplicationofDGAtechniquestofactorytestingisduringtheperformanceoflong-termtests,typicallytemperature-rise(heatrun)andoverloadingtestsonpowertransformersandreactors,alsoimpulsetestsoninstrumenttransformers.DGAmayalsobevaluableforover-excitationtestsrunoveranextendedperiodoftime.ExperiencewithDGAresults,beforeandaftershort-timedielectrictests,indicatesthatDGAisnormallylesssensitivethanelectricalandacousticmethodsfordetectingpartialdischarges.However,DGAwillindicatewhenthesepartialdischargesbecomeharmfultotheinsulationandmaybedetectedbyinspection[2].
【中国标准分类号】:K41
【国际标准分类号】:29_040_10;29_180
【页数】:29P;A4
【正文语种】:英语