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4410201010PowerElectronicsVol.44，No.10October2010PowerElectronics1：2010-05-12：（1973-），，，，，。1“”[1-3]“”。、。。。PWMPWMPCS、EPS。PCS312kWPCS。2PCS1。PWM1IGBTAC/DCDC/AC。C5L1C4PCSPWMPCS，，，461000：PWMPWM。PCS、。PCSPCS312kWPCS。PCS、。：：TM46：A：1000-100X201010-0012-02DevelopmentofBi-directionalPCSinBatteryEnergyStorageSystemLIUGang，LIANGYan，HUSi-quan，YAOWei-zhengXujiGroupXuchang461000ChinaAbstract：ConventionalunidirectionalPWMrectifierorunidirectionalPWMinvertercan’tmeettherequirementsofthebatteryenergystoragesystem.Thispaperpresentsanewtypeofbi-directionalpowerconversionsystemPCStopol-ogyitcanmeetthebatterychargeanddischargerequirementsandcanprovidepowerforcriticalloadwhenpowergridfailure.Thispaperintroducestheworkingprincipleofthebi-directionalPCSandthreeoperationmodesofthebi-directionalPCScontrolstrategyarestudiedonthebasisofthisdevelopeda12kWbi-directionalPCSforbatteryen-ergystoragesystemsuccessfullyusedinthevanadiumredoxbatteryenergystoragesystem.Theexperimentalresultsshowthatthebi-directionalPCShasmultiplefunctionsandexcellentperformancesothebi-directionalPCScanbewidelyusedinbatteryenergystoragesystem.Keywords：converterbatteryenergystoragesystemvanadiumredoxbattery124PCS。T1。1LdC1～C3PCS。KM1KM2PCS。3。PCS/2。PI。idPWM1iaibicPark。PCS1KM13。。。PIPIPWM。3Uip。4PCS4DSP+FPGADSPTMS320C2812150MHzPWM。DSP1DSP2A/D。DSP1DSP2RAMA/DPWMFPGAA/DDSP1DSP2FPGA。PCSPCS/DSP2/DSP2（47）32/PCS13（13）DSP1。DSP1PWMPCS。512kWPCS12kW380V20A160V100～200V100A10kHz。5。5a0.5%5b0.5%5cPCS5dPCSTHDTHD2%。DSPPWM120kWPCSPCS、、、、、、、。PCSPCS、EPS。[1]．[J]．2006301554-58．[2]．[J]．20052441-8．[3]．[J]．20083271-9．5DSP、APFPWM。6.2APF380V800V8000μF10mH。HNC-50LAP。7aiLaisa。7bcisausaAPF。7DSP。、。。[1].DSP[J].20082042-4450.[2]FangGDissanayakeM.AModelPreditiveControllerforRobotTrajectoryTrackingBasedonaNeuralNetworkModel[A].IPEMC’97[C].HangzhouChina689-694.[3].[J].200015157-60.[4].[J].2008835-39.[5].[J].2009164:461-463.!!!!!!!!!!!!!!!!!!!!!!!747