电线电缆绝缘高温压力试验研究

20124No．42012ElectricWire＆Cable20128Aug．2012210007GB/T2951.31—2008。。、。。TM201．4A1672-6901201204-0032-03ResearchonHigh-TemperaturePressTestofInsultationofWiresandCablesJIHongJiangsuProvinceInstituteofQualityInspectionandTestingNanjing210007ChinaAbstractHight-temperaturepresstestisconcernedonresistancecrushedperformanceofinsulationmaterialsandtheexperimentareaccordedwithGB/T2951.3—2008．Theresultsshowedthatthedispersiondependsonthetestsamples．Theresultofdispersionisfounded．Andthemainfactorofdispersioninfluenceisalsogiven．Keywordswiresandcableshigh-temperaturepresstestsampledifferences2012-02-071978－．5210007．0。。60227IEC01BV450/750V1×2.5。。1GB/T2951.31—2008/IEC60811-3-11985。、、、。、、、。0.702mm、0.700mm、0.702mm。22.1GB/T2951.31—20088.1.3“”。1。。11－2－3－4－。。。2.28.1.5“”。RL100。。2.38.1.3“”。。2.48.1.5“”。2℃0.05℃16h1、22。2—◆——■—1—▲—280℃2。、。、。360227IEC01BV450/750V1×2.5300mm12。3。3◆1■210.771～0.888mm24%～36%20.715～0.900mm31%～44%。。。。1300mm4。45。510.771～0.888mm29%～31%1。·33·20124No．42012ElectricWire＆Cable20128Aug．20121/mm/%10.771～0.88824～360.771～0.87329～31。4。0.70mm6F17F2。67F1F1=F2。6F1A、B0.70×L1=0.70×L2。L1=L2。h。。7F20.70×L1=0.70×L2。L1=L2D。DC。。。。5GB/T2951.31—2008。。。。1GB/T2951.31—200831——————S．2GB/T5023.3—2008450/750V3S．3．M．2002．4．M．2007．·43·20124No．42012ElectricWire＆Cable20128Aug．2012