第46卷第3期2023年6月电子器件ChineseJournalofElectronDevicesVol.46No.3June2023收稿日期:2020-11-29修改日期:2021-07-07ResearchonNovelMultiCostFunctionMPDPCBasedonGridConnectedInverterLILei1∗,QIANGYaodong2,YUANHui2,FUHongquan3(1.InnerMongoliaelectricpower(Group)Co.,HohhotInnerMongolia010020,China;2.BeijingPowerOnlineTechnologyCo.,Beijing100085,China;3.BeijingKeyLaboratoryofhighvoltage&ElectromagneticCompatibility,NorthChinaElectricPowerUniversity,Beijing102206,China)Abstract:Themodelpredictivedirectpowercontrolmethodissimpleandtheresponsespeedisfast.Itiswidelyusedingrid⁃connectedinvertersystem.Theprincipleoftheexistingmodelpredictivedirectpowercontrolisfirstintroduced.Thenthecorrespondingmodelpre⁃dictivecontrolmathematicalmodelisestablished.Basedontheexistingtheory,amulti⁃costfunctionmodelpredictdirectpowercontrolisproposed,whichincreasesthenumberofcostfunctions,allowsthesystemtodeterminetheappropriatecostfunctionfollowingthepowerdeviation,andimprovesthecontrolperformance.Finally,thesimulationmodelandexper...