A multiprocessor control system architecture for a cascaded

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1、AMulti-processorControlSystemArchitectureforaCascadedStatComwithEnergyStorageChangQianandMariesaL.CrowDepartmentofElectricalandComputerEngineering,UniversityofMissouri-Rolla,Rolla,MO65409-0040StanAtcittyEnergyStorageSystemsAnalysis&Development,Sandia

2、NationalLaboratories,Albuquerque,NM87185Abstract--Thispaperpresentsamulti-processorcontrolsystemconvertersandconventionalinverters,andusuallyrequireforageneralpurposefive-levelcascadedinverterforrealtimecoordinationoffewerthan6powerswitchesand4channe

3、lsofpowersystemapplications.PracticaldesignconsiderationsforA/D.Tocontrolmorecomplexpowerelectroniccircuits,thedigitalcontrollerarchitectureaswellasthepowerconvertermultipleDSPchipsandtheircoordinationarenecessary.arediscussedanda3kVAlaboratoryprotot

4、ypeispresented.Asacasestudy,AStatComwithbatteryenergystoragewasThispaperisdevotedtointegratingamulti-processorimplementedonthismulti-processorcontrolledinvertersystem.controlsystemandafive-levelcascadedpowerconverterToeliminatethetroublesomePIparamet

5、ertuningandthetogetherintoaversatilerealtimesystemforlaboratorylimitationofsmallsignalmodels,whichexistinconventionalmultilevelpowerconversions.SpecificproblemsinevitablecontrolforStatComs,anewandsimplecontrolmethodbasedoninpracticaldesignsforbothmul

6、ti-processordigitalcontrollerlargesignalmodelwasdesignedtorealizefour-quadrantpowerandpowerconverterarediscussedandpossiblesolutionsareinjectionsintoagrid.Experimentalresultsareprovidedtoprovided.Toillustratetheapplicationofthisinvertersystem,support

7、theproposedconcept.acombinationofStatComwithbatteryenergystorage(StatCom/BESS)isimplementedona3kVAprototypetoI.INTRODUCTIONcontrolactiveandreactivepowerexchangeswithalaboratoryRecentstudieshaveshownthatmanybulkpowersystemscalepowersystem.Additionally

8、,anewandsimplecontrolinstabilitiescanbemitigatedbyincorporatingmodestpowermethodisdevelopedfortheStatCom/BESStorealizefour-injectionfromanenergystoragesystem(ESS)intoaStatComquadrantpowersinjection(absorption).Theoreticalanalysis[1].OnedrawbacktotheS