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)04-1512-11中图分类号:TM721文献标志码:A学科代码:470·40考虑夏普比率的虚拟电厂日前投标策略王伟韬,王旭,蒋传文,白冰青,张锞(电力传输与功率变换控制教育部重点实验室(上海交通大学),上海市闵行区200240)DayAheadBiddingStrategyforVirtualPowerPlantsConsideringSharpeRatioWANGWeitao,WANGXu,JIANGChuanwen,BAIBingqing,ZHANGKe(KeyLaboratoryofControlofPowerTransmissionandConversion(ShanghaiJiaoTongUniversity),MinistryofEducation,MinhangDistrict,Shanghai200240,China)1ABSTRACT:Duetotheexistenceoftheoutputuncertaintyofwindpower/photovoltaicunitsandtheloadforecastingerrors,theday-aheadbiddingbehaviorofthevirtualpowerplantsfacesrisks,whiletheriskaversioncoefficientstillneedstobedeterminedbytheriskmanagementstochasticoptimizationappliedtotheday-aheadbidding.TheSharpeRatiomeasuresboththereturnsandtherisks,anditcanrealizetheParetooptimizationoftherisksandthereturnswithoutusingtheriskaversioncoefficient,whichhasbeenwidelyusedinevaluatingtheperformanceofportfolioandtheoperatingefficiencyofthecapitalmarket.Inthispaper,theday-aheadbiddingbehaviorofthevirtualpowerplantsiscomparedtotheinvestmentportfolio.AimingatthemaximumSharpeRatio,theuncertaintyofthewindpower,thePVoutput,theloadandtheelectricitypriceischaracterizedbythescenariogenerationmethod,andthescenarioevaluationindexisintroduced.Theday-aheadandreal-timestochasticoptimizationbiddingstrategyofthevirtualpowerplantsconsideringtheSharpeRatioisproposed.TheresultsshowthatthebiddingstrategyaimingatthemaximumSharpeRatioreducesthesubjectivityofthedecisionandmodifiestheriskaversioncoefficientwhentheequipmentparameterschange.Thevalidityofthemodelisverifiedcomparedwiththecalculationresultsofthetraditionalriskmanagementmethod.KEYWORDS:virtualpowerplant;powerspotmarket;stochasticprogramming;conditionalvalueatrisk;Sharperatio摘要:由于风电、光伏机组出力不确定性及负荷等预测误差的存在,虚拟电厂日前投标行为面临风险,而目前应用于日前投标的风险–收益多目标...