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1、1418IEEETransactionsonPowerSystems,Vol.3,No.4,November1988APPLICATIONOFSUPERCONDrICTINGMAGNETENERGYSTORAGETOIMPROVEPOWERSYSTEMDYNAMICPERFORMANCEY.Mitani,Member,IEEEK.Tsuji,Member,IEEEY.Murakami,Member,IEEELaboratoryforAppliedSuperconductivityOsakaUniversity2-1YamadaokaSuitaOsaka565
2、,JAPANAbstract-TheapplicationofSuperconductingMagnetthequadrantactiveandreactivepowerofSMESareEnergyStorage(SMES)tothestabilizationofapowerdescribedinref[13],wherethecontrolparametersweresystemwithlongdistancebulkpowertransmissionlineschosenheuristicallyandnotheoreticalconsideratio
3、nswhichhastheproblemofpoorlydampedpoweroscil-wereshown.lations,ispresented.Controlschemesforstabiliza-Inthispaper,theresultsofanumericalstudytionusingSMESwhichiscapableofcontrollingactivebasedonthemathematicalmodelsofpowersystemsareandreactivepowersimultaneouslyinfourquadrantdescri
4、bedindetailinadditiontotheresultsfromaranges,isproposed.Theeffectivelocationsandthemorethoroughexperimentalstudy.ThecontrolschemenecessarycapacitiesofSMESforpowersystemstabi-isbasicallythesameasinref[l3].Thatis,thelizingcontrolarediscussedindetail.Resultsofactivepowerisgeneratedbyu
5、singthedeviationofnumericalanalysisandexperimentsinanartificialgeneratorangularvelocityasafeedbacksignalandispowertransmissionsystemdemonstratethesignificantappliedtothepowersysteminordertodamppowereffectofthecontrolbySMESontheimprovementofoscillations.Thereactivepowerisgeneratedby
6、usingpowersystemoscillatoryperformance.thedeviationofvoltageatthebuswithSMESasafeedbacksignalandisusedforaconstantvoltagecontrol.Inthispaper,however,thefeedbackgainsRevwords-SuperconductingMagnetEnergyStorage,Poweraredeterminedbytheeigenvalueanalysis.SystemStability,Eigenvalues,Pow
7、erSystemSimulation.TheeffectivenessofSMESisinvestigatedforaonemachineinfinitebussystemwhichisconsideredasamodelofalongdistancebulkpowertransmissionINTRODUCTIONsystem.ThenecessarycapacitiesofSHESandtheloca-tionofSMESonthetransmissionlineareevaluatedinElectricalpowersystemsthathavema
8、jorloadsandsomedetails.Iti