Reliableconnectionofturbinegeneratorsincomplexmainwiringstructurestothepowergridthroughapluralityofswitchesisanewkeyproblem,referredtoasmultipointautomaticsynchronization(MPAS),inautomaticcontrolsystems(ACS).Inthispaper,differentmethodsofvoltage-frequencyandphase-differencecontrolareanalyzed,andacontrolmethodologybasedonactivefrequencytracking(AFT)ispresented.Throughtheestablishmentofthemulti-pointautomaticsynchronizationmodelandtheanalysisofthegovernortransferfunctionwiththiscontrolmethod,theimportantcontrolparametersandautomaticprocesscontrolsequencearesummarized.Thecorrectnessandeffectivenessofthedesignedmethodologyareinspectedthroughon-sitetesting,andtheimportanceofthefunctionandselectionofparametersarealsoexplored.
