基于DSP的能量回馈型交流电子负载的研究

2008125251TelecomPowerTechnologiesJan.25,2008,Vol.25No.1:2007208226:(19832),,,,(19652),,,,,:100923664(2008)0120013203DSP,(,210016):,,;,AC/DC/AC,PWM,,DSP,,:;;PWM:TM86,TM93:AStudyonaDSPControlledACElectricalLoadwithEnergyRecyclingYANGChao,GONGChun2ying(Aero2PowerSci2TechCenter,NanjingUniversityofAeronautics&Astronautics,Nanjing210016,China)Abstract:Forsavingenergyandreducingcostoftheburn-intestofACpowersource,anACelectricalloadusingenergyre2cyclingmethodisstudiedinthispaper.UnderthecontroloflatestTMS320F2812DSP,theinputportofACelectricalloadcanac2curatelysimulatethespecifiedimpedanceandthetestingenergycanbefeedbacktotheutilitygridwithunitpowerfactor.Themaintopologywhichconsistsoftwo-stagevoltagesourcePWMrectifierhasanAC/DC/ACstructure.ADSPbasedcontrolstrategyoftheACelectricalloadisproposed.Paralleloperationcanbeachievedsimplybysharingacommonreferencecurrentsignal.Theal2gorithmofsynchronizingtwosignalsisdiscussedindetail.Simulationandexperimentresultshaveshowntheeffectivenessoftheproposedcontrolstrategy.Keywords:ACelectricalload;energyrecycling;PWMrectifier0,:;,;;,;,;,,,,:,,,,DSP,,,11.11,PWM(VSR-VoltageSourceRectifier)PWML1;PWML2T1,ab1,PWM(VSR)[1],AC/DC,31©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(CAP)DSPIREF,D/A,IL1US,(-1+1),A,A21.3,3DSP(ADC),,(PI),CAP,,[1],(LPF),DSP,,,RS232,3,2DSPDSP(CAP),,CAP:CAPDSPT,CAP,CAP,,,,,,:CAPT00xFFFF,,,TNCAPTC(K),TC(K-1);,C(K)C(K-1),4(a)C(K)C(K-1),,4(b),C(K)C(K-1),:(1)C(K)C(K-1)TS=TN(C(K)-C(K-1))(2)C(K)C(K-1)TS=TN(C(K)+N-C(K-1))3SABER,1.6mH,3360F550Hz800Hz(0.75),41©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(a),,6(b)0.75,41.4,IREF6(c)(d)(e)(f)3060,4,,,,,,DSP,,6:[1],.PWM[M].:,2003.[2],,.[J]..2006,40(1):2.[3]GatlanC,GatlanL.ACtoDCPWMVoltageSourceCon2verterunderHysteresisCurrentControl[C].IEEEProc.ofISIE97.1997,2:7211.[4]CichowlasM,KamierkowskiMP.ComparisonofcurrentcontroltechniquesforPWMrectifiers[J].ISIE2002,4(7):125921263.[5]Ming2TsungTsai,CharlesTsai.EnergyRecyclingforElectri2calACPowerSourceBurn-inTest[J].IEEETrans.onIn2dustrailElectronics,2000,47(4):9742976.2008()12007,3G,,,2,,07,(:C114)51©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.