新型配电网分布式储能系统方案及配置研究综述

A Review of Distributed Energy Storage System Solutions and Configurations for New Distribution Grids

[目的]随着“双碳”目标以及各地推出的新能源配置储能政策的推行,文章进一步明确分布式储能在新型配电网中发挥的作用及储能系统配置方案。[方法]首先,总结归纳新型配电网分布式储能系统的配置需求,根据不同应用需求分析了分布式光伏储能系统的结构;其次,为了实现配置储能经济最大化,结合各地配置储能政策要求,阐明分布式储能系统的配置方法;最后,归纳分析了当前选址定容的常用算法,在此基础上给出研究建议。[结果]配置储能需在明确需求的基础上,选择合适的拓扑结构,基于配网供电稳定性、安全性、经济性等指标综合优化给出配置方案。[结论]分布式储能技术是新型配电网的关键技术,是解决配电网安全稳定运行的重要手段,需要进一步研究其优化配置方案及相关调控技术,才能更好地发挥作用。

[Introduction]With the advancement of the"dual carbon"goals and the introduction of new energy allocation and storage policies in various regions,there is a need to further clarify the role of distributed energy storage in the new types of distribution networks and the configuration of associated energy storage system.[Method]This paper began by summarizing the configuration requirements of the distributed energy storage systems for the new distribution networks,and further considered the structure of distributed photovoltaic energy storage system according to different application needs.To maximize the economic aspect of configuring energy storage,in conjunction with the policy requirements for energy allocation and storage in various regions,the paper clarified the methods for configuring distributed energy storage systems and summarized the commonly used algorithms for determining the location and capacity.Based on this,research suggestions were proposed.[Result]Proper configuration of energy storage should be based on clear demands,selecting the appropriate topology and offering a configuration plan that is optimized by comprehensively considering indicators such as power supply stability,security,and economic efficiency of the distribution network.[Conclusion]Distributed energy storage technology is the key aspect of the new distribution networks and an essential means to ensure the safe and stable operation of networks.To harness its full potential,further research into its optimal configuration and related control technologies is necessary.