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1、IEEETRANSACTIONSONPOWERDELIVERY,VOL.24,NO.4,OCTOBER20092385InterfacingTechniquesforTransientStabilityandElectromagneticTransientProgramsIEEETaskForceonInterfacingTechniquesforSimulationToolsV.Jalili-Marandi,V.Dinavahi,K.Strunz,J.A.Martinez,andA.RamirezAbstract—Transien
2、tstability(TS)andelectromagnetictransientscaled-downrepresentationofthestudysystem.IntheTNA(EMT)programsarewidelyusedsimulationtoolsinpowersystems,linesweremodeledasseriesPI-circuitsmadeupofR,L,andwithdistinctapplicationsbutcompetingrequirements.TSpro-Celements[2].Thea
3、pplicationofTNAhasbeenrestrictedduegramsarefastwhichmakesthemsuitableforhandlinglarge-scaletoitshighcost,largedimensions,andmodelsimplificationis-networks,however,themodelingisnotsufficientlydetailed.Ontheotherhand,EMTsimulatorsarehighlydetailed,butlimitedinsues.Theadven
4、tofdigitalcomputersofferedanalternateap-speed;consequently,theyareusedtosimulateonlysmallportionsproachforEMTanalysisthatovercamesomeoftherestrictionsofthenetwork.IntegratingthesetwotypesofsimulatorsgeneratesofTNA.EMT-typeprogramsallowlow-cost,flexible,andac-ahybridsimu
5、latorwhichinheritsthemeritsofbothprograms.AcuratemodelingoftheEMTphenomenon;however,thesesim-hybridsimulatorcanfulfillthemodelingrequirementsofalargenetworkbyprovidingafastaswellasadetailedsimulation.Es-ulatorsarenotwithoutsomelimitationsrelatedtomodelingac-tablishingac
6、onnectionbetweentwodifferentprogramsbringsupcuracyandprocessingtime[2],[4],[5].severalimportantissueswhichhavebeenaddressed,classified,andSeveralapplicationsinlarge-scalepowersystemssuchasexplainedinthispaper.AnalternativeintegratedmodelingofTSsimulationoftransientstate
7、softhenetworkincludingpowerandEMTisalsodiscussedusingtheconceptoffrequencyshifting.electronicapparatusesandcontroldevicesassociatedwithIndexTerms—Electromagnetictransientanalysis,hybridsimu-FACTSandHVDCrequireasimulatorasfastastheTSandlation,interfacing,powersystemtran
8、sientstability.asdetailedastheEMTsimulator.Manyattemptsweremadetowardsthatend,suchasusingparallelprocessingorsimplifie