辅助风电并网的构网型储能控制策略研究杨本星1,王伟2,杨明轩1,柳涛1(1.国网江西省电力有限公司抚州供电分公司,江西抚州344000;2.国网江西电力有限公司经济技术研究院,南昌330095)摘要:随着能源转型的深入,风光等可再生能源大规模替代传统能源发电并网,电力系统结构发生很大的变化,导致电网惯性变低、稳定性变弱。另外,风力发电功率的波动性将导致电力系统调度困难。因此,在风电并网系统中增加构网型储能系统,并给出构网型储能系统的控制策略,进而围绕风电并网的稳定性以及电压跌落故障,对构网型储能系统增加前后风电并网波形进行对比分析,验证了构网型储能系统可以大大提高风电并网的稳定性,并且对电压跌落故障有很好的抑制作用。关键词:构网型储能;风电系统;并网稳定;电压跌落ResearchonGrid⁃formingEnergyStorageControlStrategyforAuxiliaryWindPowerGrid⁃connectionYANGBenxing1,WANGWei2,YANGMingxuan1,LIUTao1(1.StateGridJiangxiElectricPowerCo.,Ltd.FuzhouPowerSupplyBranch,JiangxiFuzhou344000,China;2.EconomicandTechnicalResearchInstituteofStateGridJiangxiElectricPowerCo.,Ltd.,Nanchang330095,China)Abstract:Withthedeepeningofenergytransformation,suchrenewableenergyaswindandsolarhasreplacedtradi⁃tionalenergyforpowergenerationandgridconnectiononalargescale.Thestructureofthepowersystemhaschangedgreatly,leadingtothelowinertiaandweakstabilityofthepowergrid.Inaddition,thefluctuationofwindpowerwillleadtodifficultiesinpowersystemdispatching.Therefore,thegridformingenergystoragesystemisaddedtothewindpowergridconnectedsystem,andthecontrolstrategyofthegridformingenergystoragesystemisgiven.Then,thewaveformofwindpowergridconnectioniscomparedandanalyzedbeforeandafterthegridconnectedener⁃gystoragesystem.Thisanalysisisbasedonthestabilityofthewindpowergridconnectedsystemandthevoltagesagfault.Theresultsverifythatthegrid⁃formingenergystoragesystemcangreatlyimprovethestabilityofthewindpow⁃ergridconnectedsystemandeffectivelysuppressvoltagesagfault.Keywords:grid⁃formingenergystorage;windpowersystem;stablegrid⁃connection;voltagedrop0引言为开发利用可再生能源,以风电为代表的新能源已成为中国的第二大电...