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一种基于多时间尺度的电力系统“源-荷”协调调度优化策略(英文) Title:Multi-TimescaleCoordinationOptimizationStrategyforPowerSystemGeneration-LoadDispatch Abstract: Theoptimalmanagementandcoordinationofpowergenerationandloaddispatchinanelectricalgridarecrucialforensuringsystemreliability,stability,andefficiency.However,withtheincreasingpenetrationofrenewableenergysourcesandthegrowingcomplexityofmodernpowergrids,theconventionalsingle-timescaledispatchstrategiesarefacingchallengesinhandlingtheuncertaintiesandintermittenciesassociatedwithrenewablegeneration.Thispaperproposesamulti-timescalecoordinationoptimizationstrategyforthegeneration-loaddispatchproblem,aimingtoimprovetheresponsivenessandadaptabilityofpowersystems. 1.Introduction Electricpowersystemsaretransitioningfromtraditionalcentralizedfossil-fuel-basedgenerationtomoredecentralizedandrenewable-basedsources.Thistransitionbringsseveralchallengesduetotheinherentuncertaintyandvariabilityofrenewablegeneration.Aneffectivecoordinationstrategyisrequiredtooptimizethedispatchofgenerationresourcesandensurethebalancebetweengenerationandload. 2.Multi-TimescaleFramework Theproposedstrategyadoptsamulti-timescaleframeworkthatdividesthedispatchproblemintothreedistincttimescales:long-term,mid-term,andshort-term.Eachtimescaleaddressesspecificaspectsofthegeneration-loadcoordinationproblemandenablesbetterdecision-makingconsideringvariousuncertainties. 3.Long-TermOptimization Thelong-termplanninghorizonfocusesonoptimizinginvestmentdecisionsandcapacityexpansionofgenerationresources.Itconsidersfactorssuchasloadgrowthforecasts,renewableenergyresourceavailability,andenvironmentalconstraints.Theobjectiveistoachieveanoptimalmixofgenerationtechnologiesanddeterminetheoptimalcapacityofeachresourcetoensurelong-termsystemreliabilityandcostefficiency. 4.Mid-TermScheduling Themid-termschedulingstagebridgesthegapbetweenthelong-termplanningandshort-termoperation.Itaimstooptimizegenerationschedulesconsideringforecastedload,renewablegenerationforecasts,andunplannedoutages.Byincor