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                        Researchonmulti - objectiveoptimaloperationmodelofcascadedhydropower
                                             system andCPF - DPSAalgorithm
                                                                                                      4
                                                                     1
                                                                                    3
                                                       1
                             1,2
                                          1
                   AIXueshan ,GUOJiajun,MUZhenyu,CHENSenlin,YANGBaiyin,ZHOUPengcheng
                    (1.StateKeyLaboratoryofWaterResourcesandHydropowerEngineeringScience,WuhanUniversity,Wuhan 430072,China;
                     2.HubeiKeyLaboratoryofWaterSystemScienceforSpongeCityConstruction(WuhanUniversity),Wuhan 430072,China;
                                    3.ChinaRenewableEnergyEngineeringInstitute,Beijing 100120,China;
                        4.KunmingInstitutionofSurveyingandMappingCo.,LtdofReconnaissanceofChinaElectricConstructionGroup,
                                                   Kunming 650051,China)
                  Abstract:Themulti - objectiveoptimaloperationofcascadedhydropowersystemisanimportantresearchcontentin
                  theefficientutilizationofhydropowerresources ,inwhichtheuniversalityoftheexistingmulti - objectiveoptimal
                  operationmodelanditssolvingalgorithmisurgenttoimprove.Onthebasisofsummarizingtheexistingthreetypes
                  ofobjectivefunction(cumulativevalue,extremevalueandpercentage),themulti - objectiveoptimaloperation
                  modelofcascadehydropowersystemwithuniversalapplicabilityisestablishedwiththemaximumofpowergenera
                  tion ,themaximumoftheminimumoutputpowerandthemaximumofwatersupplyguaranteerateofecologicalsec
                  tion ,andthedynamicprogrammingsuccessiveapproximationmethodbasedonthecombinationofpenaltyfactors
                  (CPF - DPSA)isproposedtosolvethemodel.Thisalgorithmexplorestherelationshipbetweeneachtargetandthe
                  correspondingfactor ,confirmsthescopeofinfluenceofeachpenaltycoefficient,andobtainsthenon - dominated
                  solutionsetwithrelativelyuniform distribution.TheapplicationofNam Oucascadedhydropowersystem inLaos
                  showsthatthismodelhasgoodapplicabilityandthenon - dominatedsolutionsetobtainedbyCPF - DPSAalgorithm
                  isdistributedwidelyanduniformly.Especiallyinthelongseriesproblem ,thealgorithm hasbetterperformance
                  thanthethirdgenerationoffastnon - dominatedsortinggeneticalgorithm(NSGA - Ⅲ)intermsofresultaccuracy,
                  non - inferiorsolutionqualityandParetofrontdistribution.
                  Keywords: multi -objective; cascadedhydropowersystem; CPF-DPSA; penaltyfactors; non -dominated
                  solutionset

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