电力系统自动化2025，Vol.49Issue(22)：20-34,15.DOI:10.7500/AEPS20250327003
构网型混合储能变流器直流侧的无通信自适应协调控制策略
Communication-free Adaptive Coordinated Control Strategy for DC Side of Grid-forming Hybrid Energy Storage Converter
摘要
Abstract
The grid-forming technology has broad application prospects in the new power system.The grid-forming energy storage converter is its key equipment.Under the grid-forming control,load power fluctuations directly affect the output power of energy storage devices.Batteries are difficult to adapt to complex power demands due to their slow discharge rate,and frequent discharging reduces their service life.Hybrid energy storage converters incorporating supercapacitors present an effective solution to this issue.For the DC-side energy storage devices in the grid-forming hybrid energy storage converter,this paper proposes a communication-free adaptive coordinated control strategy.This strategy adaptively switches control modes through the identification of power types.It performs frequency division control in response to power fluctuations and utilizes the supercapacitor to independently handle power demands when facing pulsed power.This strategy not only extends the service life of the battery,but also effectively enhances the utilization rate of supercapacitors,improves the overall performance of the converter,and does not require communication lines.Experimental results verify the feasibility and effectiveness of the control strategy.关键词
构网型变流器/储能/无通信控制/自适应协调控制Key words
grid-forming converter/energy storage/communication-free control/adaptive coordinated control引用本文复制引用
张枭,易皓,文娅,王振雄,卓放..构网型混合储能变流器直流侧的无通信自适应协调控制策略[J].电力系统自动化,2025,49(22):20-34,15.基金项目
国家自然科学基金资助项目(52477123). This work is supported by National Natural Science Foundation of China(No.52477123). （52477123）
