多BESS交流微电网的SOC控制及仿真  

SOC Control and Simulation for AC Micro-grid with Multiple Battery Energy Storage

作　　者：王武[1] 胡冠中 WANG Wu;HU Guan-zhong(School of Electrical and Mechanical Engineering,Xuchang University,Xuchang 461000,China)

机构地区：[1]许昌学院电气与机械工程学院,河南许昌461000

出　　处：《电气开关》2022年第5期24-27,共4页Electric Switchgear

基　　金：河南省教育厅项目(18A510005,21B470009)。

摘　　要：多BESS交流微电网具有高供电可靠性、稳定性和经济性。提出一种多BESS的交流微电网的SOC协调控制策略,给出了交流微电网的结构、BESS建模及SOC估算方法,探讨了储能系统的改进下垂控制方法,通过仿真算例证明该方法能够实现SOC协同控制,有效传统下垂控制频率偏移现象。DC micro-grid is an effective way to promote the green transformation of energy with simple structure.Multiple energy storage system is vital for reliable power supply and stable operation.The structure of DC micro-grid was proposed with the method for modeling of BESS and estimation of SOC,droop control with dynamic coefficient adjustment is analyzed,also the control of energy storage module based on voltage observer and current sharing controller was analyzed,the uniform output between energy storage units is ensured with coordination and energy balance between distributed generation and energy storage unit,the effectiveness of the proposed control strategy is verified by experiments.

关 键 词：交流微电网 频率偏移 下垂控制 多储能系统 协调控制 

分 类 号：TM71[电气工程—电力系统及自动化]