在对不同储能技术运行特性进行梳理总结的基础上,从控制策略与规划配置两个方面对复合储能技术在微电网中的研究及应用现状进行了评述。首先,从内部元件构成出发,介绍了复合储能单元在微电网中的基本形态及工作原理,并分析了其相对于单一储能形式的技术经济优势。其次,分别针对复合储能系统在微电网中的三种典型应用场合,阐述了其对应的控制策略,并进一步分析了各类控制方法的优劣。最后,从微电网规划角度,对复合储能系统的容量优化配置问题进行了探讨,总结了不同研究所采用的建模思路、优化目标及约束条件,并指出了后续应进一步关注的问题。
Based on the operating characteristics of different energy storage,this paper put forward the research status of the control strategy and planning configuration of hybrid energy storage technology in micro-grid. First,from the basic configuration and working principle of hybrid energy storage in micro-grid,the paper analyzed the technical and economic advantages compared with single energy storage. Second,this paper focused on the control strategy of hybrid energy storage system in its three applications in micro-grid,and then analyzed the various control methods.Finally,from the perspective of micro-grid planning,it discussed the optimized configuration of the capacity of hybrid energy storage. This paper summarized the different modeling ideas,optimization objectives and constraint conditions,and then pointed out problems that should be further concerned.