预览加载中,请您耐心等待几秒...
1/3
2/3
3/3

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

染污复合绝缘子电场仿真研究 Title:ElectromagneticFieldSimulationResearchonContaminatedCompositeInsulators Abstract: Compositeinsulatorsarewidelyusedinhighvoltagetransmissionlinesduetotheirexcellentelectricalandmechanicalproperties.However,theperformanceofinsulatorscanbesignificantlyaffectedbyenvironmentalfactorssuchaspollution.Inthisresearch,weaimtoinvestigatetheimpactofcontaminationontheelectromagneticfielddistributionaroundcompositeinsulatorsthroughsimulationanalysis.Theresultsofthisstudywillprovidevaluableinsightsforimprovingthedesignandoperationofhighvoltagetransmissionsystems. 1.Introduction 1.1Background Compositeinsulatorsarecommonlyusedinhighvoltagetransmissionlines,wheretheyplayacriticalroleinensuringreliablepowertransmission.Theseinsulatorsconsistofacoremadeofnon-conductivematerials,suchasfiberglassreinforcedplastic,surroundedbyahousingmadeofweather-resistantmaterials. 1.2ImportanceofStudyingContaminatedInsulators Contaminationsuchasdust,salts,andindustrialpollutantscanaccumulateonthesurfaceofinsulatorsduetoenvironmentalconditions.Thispollutionlayercanleadtoanincreaseinsurfaceconductivity,thusaffectingtheperformanceoftheinsulators.Understandingtheelectromagneticfielddistributionaroundcontaminatedcompositeinsulatorsiscrucialforpredictingtheoccurrenceofflashoversandoptimizingmaintenancestrategies. 2.Methodology 2.1ElectromagneticFieldSimulation Electromagneticfieldsimulationsprovideapowerfultoolforstudyingthebehaviorofcontaminatedcompositeinsulators.ThesoftwarepackagessuchasCOMSOLMultiphysicsorANSYSMaxwellallowforaccuratemodelingoftheinsulatorgeometry,materialproperties,andcontaminationdeposition. 2.2ModelingtheCompositeInsulator Thecompositeinsulatorgeometry,includingthecoreandhousing,ismodeledusingappropriateCADsoftware.Thematerialpropertiesareassignedbasedontheactualinsulatorspecifications.Electricfieldboundaryconditions,takingintoaccountthepresenceofcontaminationlayers,areimplemented. 2.3ContaminationModeling Thecontaminationdepositionpatternsaresimulatedbyconsidering