【英文标准名称】:StandardTestMethodsforFlexibleTreatedSleevingUsedforElectricalInsulation
【原文标准名称】:电绝缘用经处理软套管的标准试验方法
【标准号】:ASTMD350-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D09.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acbreakdownvoltage;bendingeffects;brittlenesstemperature;coatedtextilesleeving;compatibility(magnetwire);flameresistance;flexibletubes;fluidresistance;heataging;highhumidity;hydrolyticstability;oilresistance;push-back;
【摘要】:Thedielectricbreakdownvoltageofthesleevingisofimportanceasameasureofitsabilitytowithstandelectricalstresswithoutfailure.Thisvaluedoesnotcorrespondtothedielectricbreakdownvoltageexpectedinservice,butisofvalueincomparingdifferentmaterialsordifferentlots,incontrollingmanufacturingprocessesor,whencoupledwithexperience,foralimiteddegreeofdesignwork.Thecomparisonofdielectricbreakdownvoltageofthesamesleevingbeforeandafterenvironmentalconditioning(moisture,heat,andthelike)givesameasureofitsabilitytoresisttheseeffects.Foramoredetaileddiscussion,refertoTestMethodD149.1.1Thesetestmethodscoverproceduresfortestingelectricalinsulatingsleevingcomprisingaflexibletubularproductmadefromawoventextilefibrebase,suchascotton,rayon,nylon,orglass,thereafterimpregnated,orcoated,orimpregnatedandcoated,withasuitabledielectricmaterial.1.2Theproceduresappearinthefollowingsections:Procedures
Sections
BrittlenessTemperature
18to21
CompatibilityofSleevingwithMagnetWireInsulation
45to59
Conditioning
6
DielectricBreakdownVoltage
12to17
DielectricBreakdownVoltageAfterShort-TimeAging
29to33
Dimensions
7to11
EffectofPush-BackAfterHeatAging
73to78
Flammability
22to28
HydrolyticStability
66to72
OilResistance
34to37
SelectionofTestMaterial
5
SolventResistance
60to65
ThermalEndurance
38to44