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1、ANovelDesignMethodofSingle-phaseInverterControllerBasedonCPLDWeiYang,ChenghuaWang,FengHongCollegeofInformationScienceandTechnologyNanjingUniversityofAeronauticsandAstronauticsNanjing,China,210016yangweinuaa@sina.com,chwang@nuaa.edu.cn,hongfeng@nuaa.edu.cnAbstract—Thispaperproposesanovelde
2、signmethodforsingle-thispaperproposesanoveldesignmethodforsingle-phasephaseinvertercontrollerwithcomplexprogrammablelogicinvertercontroller.device(CPLD).Withthedevelopmentofelectronicsscienceandtechnology,CPLDisbecomingoneofthemostpopularsolutionsII.SYSTEMBLOCKSDESCRIPTIONforthedesignofco
3、ntrolunitwithcomplexfunctionandalgorithm.CPLDhasalotofadvantages,suchashighspeed,Theentiresystemstructureiscomposedofcontrolcircuitflexibilitycontrolandconvenientprogramming,anditcaneveninsulatedgatebipolartransistor(IGBT),drivingcircuit,beusedasasolutionforsomedigitalsignalprocessor(DSP)
4、samplingcircuit,analogtodigitalconverter(ADC)andcontrolapplications.Thispaperintroducesanewmethodtodesigncircuit,asisshowninblockdiagram(Fig.1).CPLDisthecontrolcoreusingCPLD.Thedesignedcontrollerunitconsistsofcontrolcoreoftheentiresystem.fourmainmodules,theproportionintegration(PI)module,
5、thehybridpulsewidthmodulation(HPWM)module,thesinewavegeneratormodule,andthetrianglewavegeneratormodule.Thesimulationandexperimentresultswhichconfirmthevalidityandperformanceofthecontrollerareshowninthepaper.Keywords-inverter;photovoltaic(PV);CPLD;PI;HPWM.urefuofI.INTRODUCTIONWiththecontin
6、uousreductionoffossilenergy,solarenergyhasgottenmoreandmoreattentionasanewtypeofgreenandcleanenergytoreplacetraditionalenergy.Itisagreatresearchprojecttogetahighreliableandefficiencycontrollerforinverterwhichissuitableforphotovoltaic(PV)andotherkindsofregenerationpowersystems.Thispaperpro
7、posesanoveldesignofcontrollerbasedonCPLD.It’sallknownthatthereFig.1systemblockdiagramaretwomaintypesofcontrolstrategies,analogstrategyandIII.TOPOLOGYOFTHEINVERTERdigitalstrategy.Analogcontrolstrategyisseldomusednowforitsperformancesignificantlyinfluencedbyelectromag