考虑VSG构网储能暂态与稳态优化的自适应策略赵炳洋1，赵波1，胡娟2，张芳1（1.北京信息科技大学自动化学院，北京100192；2.中国电力科学研究院有限公司，北京100192）摘要：虚拟同步发电机（virtualsynchronousgenerator，VSG）型构网储能因其良好的阻尼与惯量支撑特性已被广泛关注，但VSG型构网储能难以抑制有功暂态存在的超调、振荡的同时削减有功稳态偏差，灵活性差。首先建立VSG型构网储能系统有功环的闭环小信号模型，由系统的特征方程、波特图以及根轨迹分析有功指令与电网频率扰动下的系统暂态与稳态特性。接着指出固定参数VSG型构网储能无法兼顾暂态存在的超调、振荡与稳态有功偏差。因此提出一种自适应VSG型构网储能控制策略，所提控制策略确保自适应参数平滑变化，抑制系统超调、振荡的同时，可削减稳态偏差。最后通过MATLAB/Simulink验证了所提控制策略的有效性。关键词：构网储能；虚拟同步发电机；动态优化；稳态优化；自适应控制AdaptiveStrategyConsideringTransientandSteady⁃stateOptimizationofVSGGrid⁃formingEnergyStorageZHAOBingyang1，ZHAOBo1，HUJuan2，ZHANGFang1（1.SchoolofAutomation，BeijingInformationScienceandTechnologyUniversity，Beijing100192，China；2.ChinaElectricPowerResearchInstitute，Beijing100192，China）Abstract:Thevirtualsynchronousgenerator（VSG）typeofgridformingenergystoragesystemhasbeenwidelycon⁃cernedduetoitsexcellentdampingandinertiasupportcharacteristics.However，VSGtypeofgridformingenergystoragesystemisdifficulttosuppresstheovershootandoscillationofactivepowerwhilereducingthesteady⁃statede⁃viationofactivepower，resultinginweakflexibility.Firstly，theclosedloopsmall⁃signalmodelingoftheactivepowerloopofVSGtypeofgridformingenergystoragesystemissetup.Thetransientandsteadystatecharacteristicsofthesystemunderactivepowercommandandgridfrequencydisturbanceareanalyzedbythecharacteristicequation，Bodediagramandrootlocusofthesystem.Furthermore，itispointedoutthatVSGtypeofgridenergystoragesystemwithfixedparameterscannotbalancetransientovershoot，oscillation，andsteady⁃stateactivepowerdeviation.There⁃fore，anadaptiveVSGtypeofgridformingenergystoragecontrolstrategyisproposed，whichensuressmoothchangesina...
