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浅析6KV线路零序保护误动原因 Title:AnalysisofFalseTrippingin6KVLineZero-SequenceProtection Abstract: Falsetrippingin6KVlinezero-sequenceprotectionisachallengingproblemthatcanleadtounnecessarydisruptioninpowersupply.Thispaperaimstoanalyzethecausesoffalsetrippingandhighlightpotentialsolutionstomitigatethisissue.Theanalysiscoversbothinternalandexternalfactorsthatmaycontributetofalsetripping,includingfaults,protectiverelaysettings,groundingsystems,harmonics,andelectromagneticinterference.Additionally,thispaperexplorestheuseofadvancedsignalprocessingtechniquesandintelligentalgorithmsaspotentialremediesforfalsetripping,ensuringaccurateandreliableoperationofthe6KVlinezero-sequenceprotectionsystem. 1.Introduction 1.1OverviewofZero-SequenceProtection 1.2ImportanceofAccurateandReliableZero-SequenceProtection 1.3PurposeofthePaper 2.CausesofFalseTrippingin6KVLineZero-SequenceProtection 2.1FaultTypesandTheirImpactonZero-SequenceProtection 2.2InfluenceofProtectiveRelaySettingsonFalseTripping 2.3EffectofGroundingSystemsonFalseTripping 2.4HarmonicsandTheirRoleinFalseTripping 2.5InfluenceofElectromagneticInterferenceonZero-SequenceProtection 3.MitigationStrategiesforFalseTripping 3.1AdvancedSignalProcessingTechniques 3.2IntelligentAlgorithmsforEnhancedProtection 3.3OptimalRelaySettingandCoordination 3.4ImprovedGroundingSystems 3.5HarmonicFiltersandActivePowerConditioning 3.6ShieldingandFilteringTechniquestoReduceElectromagneticInterference 4.CaseStudiesandReal-WorldExamples 4.1AnalysisofFalseTrippingCasesin6KVLineZero-SequenceProtection 4.2LessonsLearnedandSolutionsImplemented 4.3ImpactoftheMitigationStrategiesonFalseTripping 5.Conclusion 5.1SummaryofFindings 5.2RecommendationsforAccurateandReliable6KVLineZero-SequenceProtection 5.3FutureResearchDirections 6.References Theabovestructureisasuggestedoutlineforacomprehensivepaperaddressingthecausesoffalsetrippingin6KVlinezero-sequenceprotection.Byanalyzingrelevantfactorssuchasfaulttypes,protectiverelaysettings,groundingsystems,harmonics,andelectrom