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2915Vol.29No.1520058PowerSystemTechnologyAug.20051000-3673200515-0051-05TN713+.8A470⋅4031400044CONTROLSCHEMESOFACTIVEPOWERFILTERUSINGDIGITALSIGNALPROCESSORWANYun-jieZHOULinZHANGHaiXIAXueTheKeyLaboratoryofHighVoltageEngineeringandElectricalNewTechnologyofMinistryofEducation(ChongqingUniversity)ShapingbaDistrictChongqing400044ChinaABSTRACT:Activepowerfilter(APF)isanimportantequipmenttocompensateharmonicandreactivecurrentsinpowersystemsandthekeyproblemoftheeffectivecompensationliesinthereal-timeandaccuratecontrol.Becausedigitalsignalprocessor(DSP)possessestheadvantageofhighoperationspeedandcanprovideaccuratecalculationresults,soitcanmeetsuchrequirementofvariousAPFcontrolschemesasreal-timeandaccuratecalculationandfastresponse,andalsocaneffectivelyimprovetheaccuracyofcontrolsystem.TheauthorspresentfundamentalprinciplesofseveralAPFcontrolschemesbasedonDSPsuchasspacevectormodulation,hysteresiscurrentcontrol,monocycliccontrol,slidemodecontrol,deadbeatcontrol,repetitivecontrol,predictivecontrolandANNbasedcontrol,andtherespectivemeritanddemeritofthesecontrolmethodarepointedout.KEYWORDS:PowersystemPowerelectronicsActivepowerfilterDigitalsignalprocessorControlschemeActivePowerFilterAPFDigitalSignalProcessorDSPAPFDSPAPF1[1]ActivePowerFilterAPFAPF[2]APFAPF[3]APFMCS51MCS96CPUDigitalSignalProcessorDSPAPF[4]6017200979522003589-13ProjectSupportedbyNationalNaturalScienceFoundationofChina(60172009);ScientificResearchProjectofChongqing(7592);Supportedby“ChunhuiProject”ofStateEducationMinistryofChina(2003589-13).52PowerSystemTechnologyVol.29No.15DSPAPFDSPAPFAPFDSP2APFDSPAPFDSPDSPDSPDSPAPFDSPDSPAPF3DSPAPF3.1SpaceVectorModulationSVMPWMDSPDSPIntegralPulseWidthModulationIPWM[5]IPWMDSPIPWM3.2HysteresisCurrentControlHCC[6]DSPAPFAPFAPFTotalHarmonicDistortionTHD1.07%[7]DSP/D/APWMD/A3.3One-CycleControlOCC[8]DSPAPF291553APFTMS320C31TMS320C50DSPAPF[9]DSPDSPDSP3.4SlidingModeControlSMC[10]APFPWM[11]DSPTHD13.5Dead-BeatControlDBC[12][13]APF/A/DDSPDSPDSP[14]APFDSPTHD2.8%DSP3.6RepetitiveControlRC[15]APFAPFDSPA/DPWM[16]DSPMatlabDSP[17]DSP3.7PredictiveControlPC54PowerSystemTechnologyVol.29No.15[18]DSPAPFAPFPWM[19]DSPTHD5.2%3.8FuzzyControlFC1A/DD/A+−1Fig.1Principleoffuzzycontrol[20]DSP2APF−+2Fig.2SelfadaptivefuzzycontrolmoduleforAPF3.9ArtificialNeuralNetwork,ANN,PWM29[21]DSPDSPSDSP41DSPAPFDSPDSPAPFTHDDSPAPF2915552DSPDSP[1][J]200428(5)18-21XiWeiYinBoZhaoZiyanetalSlidingmodecontrolofactivepowerfiltersinthree-phasefour-wiresystem[J]PowerSystemTechnology200428(5)18-21[2][J]200226(10)48-52ZhangJianhuiJiangQirongZhaoDietalDesignofactivepowerfiltercontroller[J]PowerSystemTechnology200226(10)48-52[3][J]200324(6)44-49LiJianlinZhangZhongchaoSummarizationofcontrolstrategyonactivepowerfilter[J]ElectricPowerConstruction200324(6)44-49[4]DSP[J]199828(1)40-44LiuJinjunLiuBoWangZhaoanDigitalcontrolsystemofsingle-phaseactivepowerfilterbasedonDSPprocessor[J]ElectricDrive199828(1)40-44[5]TrzynadlowskiAMBechMMBlaabjergFetalAnintegralspace-vectorPWMtechniqueforDSP-controlledvoltage-sourceinverters[J]IEEETransonIndustryApplications199935(5)1091-1097[6][J]200024(6)1-8ZengJangJiaoLianweiNiYixinetalAnewcurrentcontrolmethodforactivepowerfilterswithconstantswitchfrequency[J]PowerSystemTechnology200024(6)1-8[7]SinghBAl-HaddadKChandraAetalDesignandimplementationofanewcontrolalgorithmforathree-phaseactivefilter[C]TwelfthAnnualAppliedPowerElectronicsConferenceandExpositionAtlantaUSA19971:193-198[8]ZhouLSmedleyKMUnifiedconstant-frequencyintegrationcontrolofactivepowerfilters[C]FifteenthAnnualIEEEAppliedPowerElectronicsConferenceandExpositionNewOrleansUSA20001406-412[9]WilkinsonRHHornAEnslinJHRControloptionsforabi-directionalmultileveltractionchopper[C]27thAnnualIEEEPowerElectronicsSpecialistsConferenceBavenoItaly199621395-1400[10][M]2003[11]CardenasVMNunezCVazquezNAnalysisandevaluationofcontroltechniquesforactivepowerfiltersslidingmodecontrolandproportional-integralcontrol[C]FourteenthAnnualAppliedPowerElectronicsConferenceandExpositionDallasUSA19991649-654[12]KawamuraAHaneyoshiTHoftRGDeadbeatcontrolledPWMinverterwithparameterestimationusingonlyvoltagesensor[J]IEEETransonPowerElectronics19883(2)118-125[13]ClaroCAKaffkaJCamposAAfullydigitalcontrolemployingadeadbeattechniqueforactivepowerfilters[C]30thAnnualIEEEPowerElectronicsSpecialistsConferencePiscatawayUSA19991143-148[14]NishidaKKonishiYNakaokaMCurrentcontrolimplementationwithdeadbeatalgorithmforthree-phasecurrent-sourceactivepowerfilter[J]IEEProceedings-ElectricPowerApplications2002149(4)275-282[15][J]200121(7)95-98ZhangDongchunZengMingSuBaokuDynamiccompensatorbasedonrepetitivecontrolanditsapplicationtoconstantspeedregulatingsystem[J]ProceedingsoftheCSEE200121(7)95-98[16]GrinoRCosta-CastelloRFossasEDigitalcontrolofasingle-phaseshuntactivefilter[C]IEEE34thAnnualPowerElectronicsSpecialistsConferenceAcapulcoMexico200331038-1042[17]LiJianKangYongChenJianAhybridfuzzy-repetitivecontrolschemeforsingle-phaseCVCFinverters[C]28thAnnualConferenceoftheIEEEIndustrialElectronicsSocietySevillaSpain20021105-110[18][M]1996[19]Seung-GiJMyung-HoW