【英文标准名称】:StandardTestMethodforDielectricBreakdownVoltageandDielectricStrengthofSolidElectricalInsulatingMaterialsatCommercialPowerFrequencies
【原文标准名称】:固体电绝缘材料在商用电源频率下的介电击穿电压和介电强度的标准试验方法
【标准号】:ASTMD149-1997a(2004)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:D09.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:介电击穿;介电强度试验;电绝缘;电气工程;电气试验;绝缘;容许的;介电强度;试验
【英文主题词】:breakdown;breakdownvoltage;calibration;criteriaofbreakdown;dielectricbreakdownvoltage;dielectricfailure;dielectricstrength;electrodes;flashover;powerfrequency;process-controltesting;prooftesting;quality-controltesting;rapidrise;researchtesting;sampling;slowrate-of-rise;step-by-step;surroundingmedium;voltagewithstand
【摘要】:1.1Thistestmethodcoversproceduresforthedeterminationofdielectricstrengthofsolidinsulatingmaterialsatcommercialpowerfrequencies,underspecifiedconditions.,1.2Unlessotherwisespecified,thetestsshallbemadeat60Hz.However,thistestmethodmaybeusedatanyfrequencyfrom25to800Hz.Atfrequenciesabove800Hz,dielectricheatingmaybeaproblem.1.3ThistestmethodisintendedtobeusedinconjunctionwithanyASTMstandardorotherdocumentthatreferstothistestmethod.Referencestothisdocumentshouldspecifytheparticularoptionstobeused(see).1.4Itmaybeusedatvarioustemperatures,andinanysuitablegaseousorliquidsurroundingmedium.1.5Thistestmethodisnotintendedformeasuringthedielectricstrengthofmaterialsthatarefluidundertheconditionsoftest.1.6Thistestmethodisnotintendedforuseindeterminingintrinsicdielectricstrength,direct-voltagedielectricstrength,orthermalfailureunderelectricalstress(seeTestMethodD3151).1.7Thistestmethodismostcommonlyusedtodeterminethedielectricbreakdownvoltagethroughthethicknessofatestspecimen(puncture).Itmayalsobeusedtodeterminedielectricbreakdownvoltagealongtheinterfacebetweenasolidspecimenandagaseousorliquidsurroundingmedium(flashover).WiththeadditionofinstructionsmodifyingSection,thistestmethodmaybeusedforprooftesting.1.8ThistestmethodissimilartoIECPublication243-1.AllproceduresinthismethodareincludedinIEC243-1.DifferencesbetweenthismethodandIEC243-1arelargelyeditorial.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection.Alsosee.
【中国标准分类号】:K15
【国际标准分类号】:
【页数】:13P.;A4
【正文语种】: