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600MW亚临界火电机组一次调频优化.docx

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600MW亚临界火电机组一次调频优化 Title:OptimalPrimaryFrequencyControlofa600MWSupercriticalCoal-firedPowerPlant Abstract: Theprimaryfrequencycontroliscrucialformaintainingastablepowersystemoperationbymaintainingthebalancebetweengenerationanddemand.Inthispaper,weaimtodiscusstheoptimizationofprimaryfrequencycontrolfora600MWsupercriticalcoal-firedpowerplant.Wewillexplorevariousfactorsthatinfluencetheprimaryfrequencycontrol,presentrelevantcontrolstrategies,andproviderecommendationsforachievingoptimalcontrol.Byoptimizingtheoperationofthepowerplant,stabilityandreliabilityofthepowersystemcanbesignificantlyenhanced. 1.Introduction Theprimaryfrequencycontrol,alsoknownasautomaticgenerationcontrol(AGC),playsavitalroleinmaintainingthefrequencyofthepowersystemwithinacceptablelimits.Theincreasingpenetrationofrenewableenergysourcesandthedecommissioningofsynchronousgeneratorsposesignificantchallengestotheprimaryfrequencycontrolofconventionalthermalpowerplants.Therefore,itbecomesimperativetooptimizetheoperationofthesepowerplantstoensurereliableandstablepowersystemoperation. 2.FactorsInfluencingPrimaryFrequencyControl Variousfactorsinfluencetheprimaryfrequencycontrolofapowerplant,includingloadchanges,disturbances,timedelays,andcontrolparameters.Athoroughunderstandingofthesefactorsisessentialforachievingoptimalcontrol.Loadchangescanbeexpectedduetovariationsindemandthroughouttheday.Disturbances,suchassuddenloadsheddingorlossofgeneration,cansignificantlyimpactsystemfrequency.Timedelaysinthecontrolloop,includingcommunicationdelays,mustbeconsideredforeffectivecontrol.Additionally,propertuningofcontrolparametersiscrucialforachievingstableandreliablefrequencycontrol. 3.ControlStrategiesforPrimaryFrequencyControl Differentcontrolstrategiescanbeemployedtooptimizeprimaryfrequencycontrol.Thesestrategiesincludeproportional-integral(PI)control,intelligentcontrol,andadvancedcontroltechniques.PIcontroliswidelyusedduetoitssimplicityandreliableperformance.Intelligentcontroltechniques,suchasfuzzylogiccontrolandneura