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35kV开关柜内部局部放电异常分析 Title:AnalysisofLocalPartialDischargeAnomaliesina35kVSwitchgearCabinet Abstract: Partialdischarge(PD)isaphenomenoncommonlyobservedinhighvoltageelectricalequipment,whichcanleadtoequipmentfailure,operationinterruption,andpotentialsafetyhazards.Thispaperaimstoanalyzelocalpartialdischargeanomaliesina35kVswitchgearcabinet,identifythecauses,andproposeappropriatemitigationmeasures.ThestudyincludesthecollectionandanalysisofPDdata,visualinspectionofthecabinet,andcomparativeanalysiswithrelevantliterature.ThefindingsrevealthepresenceoflocalizedPDactivitywithinthecabinetduetoinsulationdefects,improperelectricalconnections,andenvironmentalinfluences.Basedontheanalysisresults,recommendationsforpreventivemaintenanceandconditionmonitoringoftheswitchgearcabinetaresuggested. 1.Introduction -Backgroundoftheproblem -Importanceofstudyingpartialdischargesinswitchgearcabinets -Objectivesoftheresearch 2.LiteratureReview -Reviewofrelevantliteratureonpartialdischargephenomenainswitchgearcabinets -TypesofPDandtheircharacteristics -EffectsofPDonelectricalequipmentandsafety -Importanceofconditionmonitoringandmaintenance 3.Methodology -CollectionofPDdatausingappropriatemonitoringdevices -Visualinspectionoftheswitchgearcabinetforidentificationofobviousdefects -Comparativeanalysisofcollecteddatawithrelevantliterature 4.AnalysisofLocalPartialDischargeAnomalies -IdentificationofPDsourceswithintheswitchgearcabinet -DiscussionofinsulationdefectscausingPDactivity -AnalysisofimproperelectricalconnectionsleadingtolocalizedPD -InfluenceofenvironmentalfactorsonPDoccurrence -Correlationwithtemperature,humidity,andotherrelevantfactors 5.MitigationStrategiesandRecommendations -Proposalsforpreventivemaintenanceactivities -Suggestionsforregularconditionmonitoringtechniques -Importanceofperiodicinspections -Considerationofenvironmentalfactorsandtheircontrol 6.Conclusion -Summaryoffindingsfromtheanalysis -Importanceoftheresearchinensuringreliableoperationofswitchgearcabinets -Overallrecommendati