Page 69 - 2022年第53卷第9期
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Benefit - stabilitymulti - objectiveoptimaloperationof
wind - solar - hydropowerhybridsystem
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ZHANGZhendong ,TANGHaihua ,QINHui,LUOBin ,
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ZHOUChao ,HUANGLiyao
(1.ChangjiangSurvey,Planning,DesignandResearchCo.,Ltd,Wuhan 430010,China;
2.Internet +SmartWaterConservancyKeyLaboratory,ChangjiangWaterResourcesCommittee,Wuhan 430010,China;
3.SchoolofCivilandHydraulicEngineering,HuazhongUniversityofScienceandTechnology,Wuhan 430074,China)
Abstract:Thejointoperationofthewind - solar - hydropowerhybridsystemisoneoftheeffectivemethodstosolve
theintermittentenergyconsumptionsuchaswindpowerandphotovoltaics.However ,thepowergenerationbenefit
andstabilityofthecomplementarysystemarecontradictory.Howtoanalyzetheoutputcomplementaritycharacteris
ticsofthesystemandanalyzethebenefit - stabilityrelationshipisthekeyscientificproblemtobesolvedinthisstudy.
Thewind - solar - hydropower(WSH)complementarydemonstrationbaseintheYalongRiverBasinistakenasthe
researchobject.Thebenefit - stabilitymulti - objectiveoptimaloperationmodelisconstructedbytakingthe
maximumtotalpowergenerationofthecomplementarysystem andtheminimum variationcoefficientoftheoutput
processasthegoal.Then ,usingrunoff,windspeedandsolarradiationintensityasinputs,thecomplementary
characteristicsofsystem outputandthedifferenceofschedulingschemeareanalyzed.Theresearchresultsshow
thattherelationshipbetweenbenefitandstabilityobjectiveisthatthegreaterthetotalpowergeneration ,thegreater
thecoefficientofvariation ,andtheworsethestabilityoftheoutputprocess.Thecomplementaryrelationshipof
WSHhybridsystemontheintradaytimescaleisthatfromnighttodaytonight,thephotovoltaicoutputgradually
increasesfromzeroandthenbecomeszero ,andthewindpoweroutputincreasesfromlargetosmallandthenlarge.
Thereisanintradaycomplementaryrelationship ,andhydropowerenergycaneffectivelycomplementandstabilize
windpowerandphotovoltaicoutputdependingontheadjustmentcapacity.
Keywords:wind - solar - hydropowerhybridsystem;multi - objective;optimaloperation;benefit - stability
(责任编辑:于福亮)
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