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高压直流导线表面污秽对合成电场影响的实验研究.docx

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高压直流导线表面污秽对合成电场影响的实验研究 Title:ExperimentalResearchontheImpactofSurfaceContaminationontheSyntheticElectricFieldofHighVoltageDirectCurrentConductors Abstract: Thepresenceofsurfacecontaminationonhighvoltagedirectcurrent(HVDC)conductorscansignificantlyimpactthesyntheticelectricfieldgeneratedalongtheconductor,leadingtovariouselectricaldisturbancesandpotentialhazards.ThispaperpresentsanexperimentalresearchstudyontheinfluenceofsurfacecontaminationonthesyntheticelectricfieldofHVDCconductors.Theexperimentalsetupinvolvedthesimulationofdifferentcontaminationlevelsonthesurfaceoftheconductorandthemeasurementoftheresultantelectricfield.ThefindingsfromthisstudyprovidevaluableinsightsintotheeffectsofsurfacecontaminationandcanaidinestablishingeffectivemaintenanceandcleaningstrategiesforHVDCtransmissionsystems. 1.Introduction Highvoltagedirectcurrent(HVDC)transmissionsystemshavegainedsignificantattentioninrecentyearsduetotheirefficiencyandabilitytotransmitlargeamountsofelectricalenergyoverlongdistances.However,thepresenceofsurfacecontaminationonHVDCconductorscanleadtocoronadischarges,flashovers,andotherelectricaldisturbances,therebycompromisingtheefficiencyandreliabilityofthesystem.ThispaperaimstoinvestigatetheimpactofsurfacecontaminationonthesyntheticelectricfieldofHVDCconductorsandprovideabetterunderstandingoftheassociatedphenomena. 2.ExperimentalMethodology Theexperimentalsetupconsistedofahighvoltagegenerator,acontaminationsimulationapparatus,andanelectricfieldmeasurementsystem.Thecontaminationsimulationapparatusallowedthecontrolledapplicationofdifferenttypesandlevelsofsurfacecontaminationontheconductorsamples.Theelectricfieldmeasurementsystemutilizedelectricfieldsensorstomeasurethesyntheticelectricfieldgeneratedalongthelengthoftheconductorsamples. 3.ContaminationTypesandLevels Varioustypesofsurfacecontaminantswereconsideredintheexperimentalstudy,includingdustparticles,saltdeposits,andconductingfilms.Differentlevelsofcontaminationweresimulatedbyvaryingtheconcentrationorthicknessoft