城市高压配电网分区储能规划方法A method for urban high-voltage distribution network partitioning and energy storage planning
刘正茂,朱司丞,黄忠梁,蒋建杰,朱奕弢,张有兵,潘红武
LIU Zhengmao,ZHU Sicheng,HUANG Zhongliang,JIANG Jianjie,ZHU Yitao,ZHANG Youbing,PAN Hongwu
摘要(Abstract):
集中式储能在电网削峰填谷、分区供用电平衡等方面发挥着重要作用,然而现有的储能电站规划大多缺乏对分区内供用电平衡问题的研究。因此,提出一种城市高压配电网分区储能规划方法。首先,利用电耦合强度矩阵改进Newman快速算法,优化电网分区。然后,以经济性和电网脆弱性为优化目标,综合考虑储能约束、潮流约束等约束条件,建立了城市电网储能配置模型。随后,采用多目标粒子群优化算法得到帕累托前沿,并通过秩和比综合评价法确定各分区储能的最优选址和容量。最后,基于IEEE 39节点电网进行算例分析,验证所提方法可对网侧储能电站合理规划,有效提高城市电网分区运行的自治性和经济性。
Centralized energy storage plays a critical role in grid applications such as peak shaving, valley filling, and balancing supply and demand across different partitions. However, existing energy storage station planning often lacks research on the supply-demand balance within specific partitions. To address this issue, a method for urban high-voltage distribution network partitioning and energy storage planning is proposed. First, the network partitioning is optimized using a Newman's fast algorithm based on the electrical coupling strength(ECS) matrix. Then, an energy storage configuration model for the urban distribution networks is developed, with economic efficiency and grid vulnerability as optimization objectives, considering constraints such as energy storage limits and power flow constraints. A multi-objective particle swarm optimization(MOPSO) is employed to obtain the Pareto frontier, and the rank sum ratio(RSR) is used to determine the optimal site and capacity of energy storage for each partition.Finally, case studies based on the IEEE 39-node grid are conducted to verify that the proposed method enables rational planning of grid-side energy storage stations, effectively enhancing the autonomy and economy of partition-based operation of urban distribution networks.
关键词(KeyWords):
储能电站;电网分区;供用电平衡;储能规划
energy storage station;grid partition;supply-demand balance;energy storage planning
基金项目(Foundation): 国家自然科学基金(U22B20116);; 国家电网公司科技项目(HZTLKJ2023-08)
作者(Author):
刘正茂,朱司丞,黄忠梁,蒋建杰,朱奕弢,张有兵,潘红武
LIU Zhengmao,ZHU Sicheng,HUANG Zhongliang,JIANG Jianjie,ZHU Yitao,ZHANG Youbing,PAN Hongwu
DOI: 10.19585/j.zjdl.202504013
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