直流微网混合储能系统控制策略现状及展望  

Current status and prospects of control strategy for a DC micro grid hybrid energy storage system

作　　者：张宇涵 杜贵平[1] 雷雁雄 郑昊[1] ZHANG Yuhan;DU Guiping;LEI Yanxiong;ZHENG Hao(School of Electric Power,South China University of Technology,Guangzhou 510641,China)

机构地区：[1]华南理工大学电力学院,广东广州510641

出　　处：《电力系统保护与控制》2021年第3期177-187,共11页Power System Protection and Control

基　　金：广东省自然科学基金项目资助(2017B030312001);广东省应用型科技研发专项资金项目资助(2015B020238012)。

摘　　要：在直流微电网中,混合储能系统被用于改善可再生能源发电系统的性能,维持网内的整体功率平衡。合理的控制策略是充分发挥不同储能器件特性、保证系统安全稳定运行的关键。综述了直流微网混合储能系统控制策略的最新进展,从基本控制思想、动态响应能力提升方法和考虑荷电状态的控制策略三个方面进行了总结研究,并以表格形式直观地展示其优点和不足。针对现有控制策略的局限性,并结合相关领域技术进展,对其未来发展方向进行了展望。In DC microgrids,hybrid energy storage systems are used to improve the performance of renewable energy power generation systems and maintain the overall power balance within the grid.Reasonable control strategies are the key for giving full play to the characteristics of different energy storage devices and ensure the safe and stable operation of the system.This paper reviews the latest developments in the control strategy of hybrid energy storage system DC microgrids and summarizes the research from three aspects:basic control ideas,dynamic response capability improvement methods,and control strategies considering the state of charge,and visually demonstrates advantages and disadvantages in the form of a table.Aiming at the limitations of the existing control strategies,combined with technological progress in related fields,the future development direction is prospected.

关 键 词：混合储能系统 直流微电网 控制策略 动态响应 荷电状态 

分 类 号：TM721.1[电气工程—电力系统及自动化]