一种包含不确定参数的暂态稳定分析方法-豆柴文库

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一种包含不确定参数的暂态稳定分析方法
Title:AMethodforTransientStabilityAnalysiswithUncertainParameters
Abstract:
Transientstabilityanalysisplaysacrucialroleinensuringthesecureoperationofpowersystems.However,traditionalmethodsfortransientstabilityanalysisassumethatallsystemparametersareknownwithcertainty,whichmightnotreflectthereal-worldscenario.Thispaperproposesanovelmethodthatincorporatesuncertainparametersintotransientstabilityanalysis,enhancingtheaccuracyandreliabilityofstabilityassessments.Thedevelopedmethodcombinesprobabilisticmodelingtechniquestoquantifyparameteruncertaintiesandtransientstabilitysimulationmethodologiestoperformanalysisunderuncertainconditions.Theproposedapproachisvalidatedonabenchmarkpowersystem,andtheresultsdemonstrateitseffectivenessincapturingtheimpactofuncertainparametersonthesystem'stransientstabilitybehavior.
1.Introduction
Thereliableoperationofpowersystemsisofutmostimportancetoensurethecontinuoussupplyofelectricitytoconsumers.Transientstabilityanalysisisakeytoolinassessingandmaintainingthesecureoperationofpowersystemsunderseveredisturbances.However,theexistingtransientstabilityanalysismethodsassumethatallsystemparametersarepreciselyknown,whichdoesnotreflecttherealityofuncertaintiesassociatedwithsystemcomponents.Inpractice,uncertaintiesinparametersariseduetomeasurementerrors,modelinginaccuracies,andchangingoperationalconditions.Therefore,thereisaneedtodevelopatransientstabilityanalysismethodthatcanhandleuncertainparametersandprovidemoreaccurateandinformativestabilityassessments.
2.LiteratureReview
Thissectionreviewsthecurrentstate-of-the-artmethodsfortransientstabilityanalysisandhighlightstheirlimitationsindealingwithuncertainparameters.Italsodiscussestheexistingapproachesinuncertainparametermodelingandtheintegrationofuncertaintiesintopowersystemanalysis.
3.Methodology
Theproposedmethodologyfortransientstabilityanalysiswithuncertainparametersconsistsoftwomainsteps:parameteruncertaintymodelingandtransientstabilitysimulationunderuncertainconditions.Inthefi