电力系统及其自动化学报ProceedingsoftheCSU-EPSA第35卷第2期2023年2月Vol.35No.2Feb.2023基于Stackelberg博弈的多微网系统点对点交易策略周步祥,彭昊宇,臧天磊,张越,赵雯雯,曹强(四川大学电气工程学院,成都610065)摘要:多微网系统交易涉及各方博弈,在保障系统安全稳定的前提下,针对如何平衡各市场主体利益的问题,提出采用斯塔克尔伯格博弈研究多微网点对点交易策略。首先,建立微网内各单元运行和微网间交易模型,以多微网系统收益最大为目标,通过决定最优成交价格来激励微网间的合作交易。然后,以微网控制中心作为跟随者在保障自身收益的前提下给出交易策略。最后,以4个微网组成的多微网系统为算例进行分析,应用迭代搜索法求解纳什均衡。仿真结果表明,该方法可以提高分布式能源利用率、降低系统运行成本。关键词:多微网;点对点交易;斯塔克尔伯格博弈;迭代搜索法中图分类号:TM73文献标志码:A文章编号:1003-8930(2023)02-0103-09DOI:10.19635/j.cnki.csu-epsa.000980Peer-to-PeerTradeStrategyforMulti-microgridSystemBasedonStackelbergGameZHOUBuxiang,PENGHaoyu,ZANGTianlei,ZHANGYue,ZHAOWenwen,CAOQiang(CollegeofElectricalEngineering,SichuanUniversity,Chengdu610065,China)Abstract:Thetradeinamulti-microgridsysteminvolvesthegameamongvariousparties.Therefore,itisimportanttobalancetheinterestsofvariousmarketentitiesunderthepremiseofmaintainingthesafeandstableoperationofthesys⁃tem.Inthispaper,theStackelberggameisusedtostudythepeer-to-peertradestrategyforthemulti-microgridsystem.Theoperationmodelofeachunitwithinthemicrogridisconstructed,andthemodeloftradeamongmultiplemicrogridsisalsoproposed.Withtheobjectiveofmaximizingthebenefitsofthemulti-microgridsystem,thecooperativetransac⁃tionsamongmicrogridsarestimulatedbysearchingforthebestpriceofelectricitytransactions.Asafollower,theMi⁃crogridCentralControllerformulatesthetradestrategyunderthepremiseofprotectingitsowninterests.Amulti-mi⁃crogridsystemconsistingof4microgridsistakenasanexample,andtheNashequilibriumissolvedbytheiterationandsearchalgorithm.Simulationresultsshowthattheproposedmethodcanimprovetheutilizationofdistributedgenera⁃tionsandreducetheoper...