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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
(责任编辑:耿庆斋)
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