基于双环控制的单相电压型PWM逆变器建模与仿真

T1+ET2T3T4iLLZiOiCCuC-+ui-11005—7277200901—0015—04200931115ELECTRICDRIVEAUTOMATIONVol．31No．1200931115～181、“”2010GDP20％10％。20％。、、、。。1。PWM10kVAPWM。、、THD。2LC1。1LCr、、。PWMEPWM030024PWMMatlab/Simulink。PWM10kVAPWMSimulink。。PWMTM464AModelingandsimulationofasingle-phasevoltagePWMinverterbasedondual-loopcontrolYANGHui-min,SONGJian-chengCollegeofElectricalandDynamicalEngineeringTaiyuanUniversityofTechnologyTaiyuan030024ChinaAbstract:ThemodelingandsimulationonMatlab/Simulinkofasingle-phasevoltagePWMinverterbasedondual-loopcontrolisstudied.Themathematicalmodelofasingle-phasevoltagePWMinverterissetupbasedonstate-spaceaveragemethod.Thevoltagecurrentdual-loopcontrolstrategyisproposedand10kVAsingle-phasevoltagePWMinverterismodeledandthesimulationofperformancesiscarriedout.Thesimulationresultsverifythatindifferentoperationmodestheinverterwiththiscontrolstrategyhasadvantagessuchasrapiddynamicresponsecharacter,strongrobustnessandlowtotalharmonicdistortionTHDoftheoutputvoltage.Keywords:PWMinvertermodelingandsimulationstate-spaceaveragemethoddual-loopcontrolui3+E、0-E。DC/DCDC/AC2-3。uCiLu觶Ci觶L!=01C-1L-rL#$$$$$$$$$$%&’’’’’’’’’’(uCiL!+0-1C1L#$$$$$$$$$$%&’’’’’’’’’’(0uiio!11LaplasuCs=1LCs2+rCs+1uis+Ls+rLCs2+rCs+1ios22。io=0uCs=uCsuis=1LCs2+rCs+132。2、uiio。2Zs。io。。r。。3。、iLiCuC。4-6。。iCiCuCiCiC。。iL。iLiCiCiO。。3。PIPI。4Matlab/Simu1ink4。、PWM。PWM。PWM7。-－ui1sLr-iL1sC1ZsiCiO2uC3-－ui1sLr-iL1sC1ZsiCiOPWMPIuirPIur-uC-·16·2009120091·17·PWM%0-0.2s0.02-0.2s0.04-0.2s1-0.79-0.37-0.372-0.94-0.37-0.373-0.22-0.22-0.2140.980.200.201。①E=400V②Uo=200V③f=50Hz④S=10kVA⑤cos准=0．8⑥fc=20kHz⑦L=9mH⑧C=1200μF⑨r=0.05Ω。51250V150Hz30.04s0.14s4400V50Hz。iOUc5a、b、c、d。SimulinkpowerguiFFTAnalysis50Hz1000Hz。0-0.2s、0.02-0.2s0.04-0.2s1THD2。DC400VUr+-gAB+i-+i-UrUcioiLcontrollerUgPWMPWMUgnode1+v-rL4+CZ4003002001000-100-200-3002Tio/AUc/V00.040.080.120.160.2ats8006004002000-200-400-600-8002T00.040.080.120.160.2d5io/AUc/Vts4003002001000-100-200-3002T00.040.080.120.160.2bio/AUc/Vts4003002001000-100-200-3002T00.040.080.120.160.2cio/AUc/VtsTHD%0-0.2s0.02-0.2s0.04-0.2s11.250.0040.00421.450.040.0431.830.010.0142.730.090.022THD。10.04s。2±1％。3THD3％THD0.1％。4。6PWM。±1％、0．04s、THD3％。1．J．2006259102-106．2．J．20043859-12．3．PWMJ．20042021-4．4DahonoPekikArgoIsmutadiPanduSatoYukihikoeta1．AControlMethodforSingle-phasePWMInvertersC．Procee-dingsoftheInternationalConferenceonPowerElectronicsandDriveSystems20011282-2855．PWMJ．200623119-21．6KukrerOKomurcugilH．ControlStrategyforSingle-phaseUPSInvertersC．ElectricPowerApplicationlEEProc．20031506743-746．7．MatlabPWMJ．20036137-40．1983-。1957-/、。2008-02-05·18·20091●●●MALTAB●●●●