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                           Researchoncascadehydro - wind - solarcomplementaryoperationrules
                               couplingpowerdamagedepthandenergycurtailmentcriterion

                                                                           1
                                                         1
                                          1
                                WANGJin,ZHAOZhipeng,CHENGChuntian,SUHuaying             2
                                        (1.DalianUniversityofTechnology,Dalian 116024,China;
                                 2.GuizhouElectricPowerDispatchingandControlCenter,Guiyang 550000,China)

                  Abstract:Cascadehydropoweroperationrulesareimportantbasisforstorageanddischargeofcontrolledreservoirs.
                  Theintegrationofrandom ,fluctuatingandintermittentnewenergychangesoperatingboundaryofcascadehydro
                  powerplants , increasesenergyshortageandcurtailmentrisk, andmakesoperationrulesthatonlyconsider
                  seasonalfluctuationsofrunoffnolongerapplicable.BasedontheactualprojectoftheCascadeHydro - wind - solar
                  IntegratedBaseinGuizhou,thefactorsleadingtoenergyshortageandcurtailmentareanalyzed,andsolutionsare
                  givenfromtheperspectiveofruleformandmodelconstruction.Onthebasisofstandardoperationrules ,combined
                  withhedgingrules ,packingrules,andconsideringtransmissionchannelcapacityconstraintsandnewenergycon
                  sumptionrules,acascadedhydro - wind - solarsixsegmentcomplementaryoperationrulesareproposedtoreduce
                  energyshortageandcurtailment.Proposedpowerdamagedepthindextomeasureenergyshortagerisk ,proposed
                  energycurtailmentcriteriontoavoidunnecessaryenergycurtailment ,andbuiltamulti - objectiveparameterization -
                  simulation - optimizationmodelwithruleparametersasdecisionvariables.Objectiveprioritynon - dominatedsorting
                  geneticalgorithmisusedtooptimizeruleparameters.Avarietyofnewenergyinstalledcapacityscenarios ,trans
                  missionchannelcapacityscenariosandcomparisonrulesaresettoverifytheeffectivenessoftheproposedmethod
                  frommultipleperspectives.Theresultsshowthattheproposedmethodcansignificantlyreduceenergyshortageand
                  curtailmentrisk ,improvethepowergenerationoftheCascadeHydro - wind - solarIntegratedBase,inwhichthe
                  powerdamagedepthreducesthedegreeofenergyshortageby36.04% onaverage ,andtheenergycurtailmentcrite
                  rionreduceenergycurtailmentby7.96% onaverage.Finally,drawamoreconciseandintuitivecascadehydro -
                  wind - solarcomplementaryoperationmap ,whichisconvenientforpracticalapplication.
                  Keywords:energyshortage;powerdamagedepth;energycurtailmentcriterion;operationrules;multi - energy
                  complementary


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