低密度聚乙烯中空间电荷包的ahref=1a形成与迁移过程

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E2005,35(7):701~707701SCIENCEINCHINASer.EEngineering&MaterialsScience***(,200092)(,200093)(pressurewavepropagation,PWP),,,.30~40.[1~3],,,(PWP)(pulsedelectro-acoustic,PEA)[4],.,3:(i),,[5];(ii),[6];(iii),,[7].,(PWP)(lowdensity2004-07-16,2005-03-01*(:50277026)(:02100)(:2001CB610406)**.E-mail:yewenzhang@online.sh.cn702E35SCIENCEINCHINASer.EEngineering&MaterialsSciencepolyethylene,LDPE),(LDPE),.1(PWP),YAG,.(thermalstimulateddischarge,TSD)[8,9].LDPE(UBEC510),1mm,,0.3~0.5mm,50mm,.41.1A41−50kVB28−60kV,50s−10kVC(28)+50kVD8650h,18,−50kV22.1A(1).,2.2×10−14m2/V·s,.,,.,,,,,34A.,B.B−60kV,50s,−10kV.2−10kV,7:703×10−14m2/V·s.3C.AA,,A.:(i)B,,[10];(ii),,[11]704E35SCIENCEINCHINASer.EEngineering&MaterialsScience2B0exp(/),NUkTM≈−µµ,µ0,;N,M;U,kBoltzmann.,.4A,.,,;,,.,[12]..,,,.,7:705[5~7,12],(LDPE),50MV/m,.2.3,.D8650h18,−50kV,.,.,,,1~3.,.2.2,,,,,.51A(TSD),,GaussTSD523,5570,TSD,,.TSD[13],,LDPE0.781.48eV.,,5ATSD7:707(LDPE)(50MV/m),:(i),,.(ii),,.(iii),,.,10−14m2/V·s.1ZhangY,LewinerJ,HanptonN.EvidenceofstrongcorrelationonbetweenspacechargebuildupandbreakdownincableinsulatorsunderDCstress.IEEETransElectInsul,1996,31(6):778~7832BlaiseG,SarjeantWJ.Spacechargeindielectricsenergystorageandtransferdynamicsfromatomistictomacroscopicscale.IEEETransElectInsuI,1998,5(5):779~783[DOI]3,,,..,2000,45(23):2469~2475[][PDF]4,,,..,2003,52(5):1137~11425HozumiN,TakadaT,SuzukiH,etal.SpacechargebehaviorinXLPEcableinsulationunder0.2~1.2MV/cmdcfield.IEEETransonDEI,1998,5(1):82~906HozumiN,SuzukiH,OkamotoT,etal.DirectobservationoftimedependentspacechargeprofilesinXLPEcableunderhighelectricfields.IEEETransonDEI,1994,3(3):1068~10767KanekoK,MizutaniT,SuzuokiY.ComputersimulationonformationofspacechargepacketsinXLPEfilms.IEEETransonDEI,1999,6(2):152~1588SesslerGM.Electrets,2ndedition.Berlin:Springer-Verlag,1987.95~999ChenR,KirshY.AnalysisofThermallyStimulatedProcesses.Oxford:PergamonPress,1981.23~2710MizutaniT,SemiH,KaoekoK.Spacechargebehaviorinlow-densitypolyethylene.IEEETransonDEI,2000,7(4):503~50811SpearWE.JNon-crystal.Solids,1969,(1):197~21412SeeA,DissadoLA,FothergillJC.ElectricfieldcriteriaforchargepacketformationandmovementinXLPE.IEEETransonDEI,2001,8(6):859~86613RandnallJT,WilkinsMHF.Phosphorescenceandelectrontraps.ProceedingsRoySoc,1945,A184:366~389

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