离网直流微网群混合储能容量优化配置方法
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TM71

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国家能源局首批"互联网+"智慧能源(能源互联网)示范项目"支持能源消费革命的城市-园区双级"


Optimization configuration method for hybrid energy storage capacity of independent DC microgrid cluster
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    摘要:

    为了优化储能系统容量配置,提高直流微网群的供电可靠性和经济性,文中提出了一种考虑各子微网互为备用的独立型直流微网群混合储能联合优化配置方法。首先,以直流微网群混合储能整体投资运维等年值成本最低为优化目标,建立混合储能容量配置模型;其次,在不失各个子微网混合储能容量配置独立性的前提下,进一步降低混合储能的配置成本;最后,以双直流微网群为算例对象,通过对比独立优化与联合优化的配置结果说明了利用微网群功率互联的特点能够大幅降低混合储能系统投资成本,提高微网群运行稳定性,从而证明文中所提配置方法的优越性。该方法后期可为独立型直流微网群的规划建设提供依据。

    Abstract:

    In order to optimize the capacity allocation of the energy storage system and improve the power supply reliability and economy of the DC micro-grid cluster, a joint optimal allocation method of independent DC micro-grid cluster hybrid energy storage is proposed in this paper, in which each sub-grid is considered as a standby. Firstly, the optimal objective is to minimize the annual cost of the overall investment, operation and maintenance of the DC micro-grid cluster hybrid energy storage, and a hybrid energy storage capacity allocation model is established. Secondly, the configuration cost of hybrid energy storage is further reduced without losing the independence of the configuration of the hybrid energy storage capacity of each sub-micro grid. Finally, taking a double DC micro-grid cluster as an example, the results illustrate the advantage of micro-grid cluster of interconnected power by comparing the independent optimization and configuration of joint optimization.By applying the joint optimal allocation method, it greatly reduces investment cost of hybrid energy storage system and improves the micro-grid cluster of running stability. The superiority of the proposed configuration method is proved with the independent model of DC micro-grid cluster of planning and construction to provide certain scientific basis.

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阮绵晖,郑建平,刘尧,廖毅,曹安瑛,张跃,甘德树.离网直流微网群混合储能容量优化配置方法[J].电力工程技术,2021,40(3):99-105

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  • 收稿日期:2020-11-23
  • 最后修改日期:2020-12-31
  • 录用日期:2020-09-06
  • 在线发布日期: 2021-06-11
  • 出版日期: 2021-05-28
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