第47卷第4期电网技术Vol.47No.42023年4月PowerSystemTechnologyApr.2023文章编号：1000-3673（2023）04-1558-12中图分类号：TM73文献标志码：A学科代码：470·40考虑电站集群与发电时变特性的风光出力描述方法王月1，申建建1，程春田1，周彬彬2，张聪通2（1．大连理工大学建设工程学部，辽宁省大连市116024；2．云南电力调度控制中心，云南省昆明市650200）DescriptionofWindandSolarPowerGenerationConsideringPowerPlantClustersandTime-varyingPowerCharacteristicsWANGYue1,SHENJianjian1,CHENGChuntian1,ZHOUBinbin2,ZHANGCongtong2(1.FacultyofInfrastructureEngineering,DalianUniversityofTechnology,Dalian116024,LiaoningProvince,China;2.YunnanPowerDispatchingControlCenter,Kunming650200,YunnanProvince,China)ABSTRACT:Thewidely-scatteredwindandPVpowerplantsandtheintermittenceandfluctuationofpowergenerationhavebroughtaboutgreatchallengestothelarge-scaledgrid-connectedconsumption.ItisaneffectivewaytoovercomethesechallengeshowtogroupthewindandPVpowerplantsreasonablyanddescribethegenerationcharacteristicsaccuratelyofthepowerplantclusters.BasedontheactualprojectinYunnanpowergrid,amethodfordescribingwindandsolarpowergenerationconsideringthepowerplantclustersandthetime-varyingpowercharacteristicsisproposed.Inthispaper,weconstructtheoutputcomplementarycriterionofthepowerplantclusters,adopttheagglomerativehierarchicalclusteringmethodforclusterdivision,anddescribethetwo-dimensionalrelationshipbetweenthecomplementaryindexandthenumberofclusterstodeterminethereasonableclusterdivision.Thenintroducingthetime-varyingcharacteristics,weestablishadifferentprobabilitydistributiondensityfunctionofthegenerationofpowerplantclustersconsideringtime-varyingcharacteristics,settingtheobjectiveofminimizingthesectionalvarianceofsequentialoutputofthepowerplantclustersanddeterminingtheoptimalnumberofthesegmentsandthetimelysegmentsbysplittingthehierarchicalclustering.Taking21windandPVpowerplantsinthisareaastheengineeringbackground,throughtheanalysisofthreeexampleswithsingle-typedpowerplantsandmixed-typedplants,wefindthatthedescriptivereli...
