基于机会约束规划的梯级水电站短期优化调度

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1、profitandriskarecoordinatedpreferablyaccordingtothepracticalsystem，andtheoptimizationofpoweroutputforcascadehydroplantsisestablishedbythemethoddeveloped．Anovelmodelofriskmanagementforshort-termschedulingoptimizationofhydrothermalpowersystembasedonchance—constrainedprogrammingispresente

2、dinthispaper．Coordinatedrelationshipbetweenday·aheadtradingandreal·timetrading，operationalconstraintsofhydrothermalpowersystem，anduncertaintyinhydrothermalpowersystemareconsideredinanintegratedfashion．Thisproposalmodelincreasesgenerationbenefitsofhydroelectricpowerplants，reducesoperati

3、oncostsofthermalpowerplants，advancescomprehensivebenefitsofpowersystems，andprovidesanovelresearchthoughtforhydrothermalpowersystemsshort-termoptimalschedulingproblem．ToovercometheshortcomingofeasilylocaloptimumofPSO，ahybridparticleswarnloptimization(HPSO)，inwhichthecatastrophetheoryand

4、chaosoptimizationwasembeddedintoPSO，isalsopresentedinthispaper．SincetheideasofPSOandcatastrophetheoryareinspiredbynaturalconcepts，itprovidesallideathatthestagnationofevolutionarystrategiesofPSOmaybedescribedbycatastrophetheory．ThelogisticmapofchaosisusedtOdisjointheparticles，whicharecl

5、osetoeachotheraroundalocalminimumaccordingtotheergodicity,stochasticpropertyandregularityofchaos．Thedefinitionofglobalconvergenceofstochasticalgorithmisdefinedinthepaper,andthealgorithmpresentedisprovedtOconvergetotheglobaloptimizationsolutionwithprobabilityoneusingLebesguemeasure．Thei

6、mprovementofcommunitydiversityandsearchingspaceofPSOisachieved，andtheproposalstrategyisasimpleeffectiveapproachtosolvenonlinearprogrammingproblemwithcomplexconstraintconditions．ThemodelpresentedissolvedusingacombinationofHPSOandMonteCarlosimulationbecauseoftheadvantagesofHPSOsuchassimp

7、leconcept，easyimplementationandrobustness．TheresultshaveshowedthatthecombinationVofHPSOandMonteCarlosimulationforshort—termschedulingoptimizationcascadehydroplantsisversatileandefficient．Keywords：Cascadehydroplants；Hydrothermalpowersystem；Short-termoptimizationscheduling；Uncertainty；