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【英文标准名称】:TestMethodforEvaluationofResistancetoElectricalBreakdownbyTreeinginSolidDielectricMaterialsUsingDivergingFields
【原文标准名称】:应用相异场评估固体介质材料电击穿电阻的试验方法
【标准号】:ANSI/ASTMD3756-1997
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;试验;绝缘
【英文主题词】:Dielectricbreakdown;Dielectricstrength;Electricalengineering;Electricalinsulation;Electricaltesting;Evaluations;Insulations;Properties;Testing
【摘要】:Thistestmethodcoverstheevaluationandcomparisonoftheresistanceofsolidorganicdielectricmaterialstotheinitiationorgrowth,orboth,oftubulartree-likechannelsresultingfrompartialdischarge(corona)andmoleculardecompositionthatoccurintheregionofveryhigh,divergingelectricfields.Thistestmethodisprimarilyforuseatapowerfrequencyof50or60Hz.1Thetestmaybecarriedoutatroomtemperatureortemperaturesaboveorbelowroomtemperature.Thetemperatureshouldnotexceedthesofteningormeltingpointofthesamplematerial.Thistestmethodcanbeusedforanysolidmaterialintowhichneedlescanbecast,molded,orinsertedwithheataftermolding.Theresistancetotreeinitiationismeasuredbythedouble-needlecharacteristicvoltage,whichisonlyapplicabletonon-opaquematerialssothattreecanbeobservedoptically.Theresistancetotreeinitiationandgrowthisreportedbythedouble-needlevoltagelife,whichisapplicabletobothopaqueandnon-opaquematerials.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K15
【国际标准分类号】:29_035_01
【页数】:
【正文语种】:英语