A Macro-Consistent Coordinated Control Strategy Based on Large-Capacity Flywheel Energy Storage Array

2022 4th International Conference on Electrical Engineering and Control Technologies (CEECT) Pub Date : 2022-12-01 DOI:10.1109/CEECT55960.2022.10030698

Zhan Li, Lei Liu, Z. Yang, Y. Shang, Tianmu Qin, Hao Du

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Abstract

Considering the energy storage and fast response characteristics of flywheels, flexibility transformation of flywheel energy storage array system (FESAS) and optimal power allocation. This paper proposes a macro-consistent coordinated control strategy based on a large-capacity flywheel energy storage array. Based on the mind of reducing the times of flywheel energy storage array mobilizations and adapting to power distribution, Firstly, dynamic group selection control for flywheel array, FESAS preferentially selects power-matched array groups for charging and discharging according to power allocation instructions. Secondly, the exponential relationship between SOC and specific power function is introduced into the flywheel unit, and the SOC difference of the flywheel unit in the array is gradually reduced, making the overall flywheel energy storage array gradually become macroscopic during charging and discharging. Finally, Simulink software is adopted to build the array model to prove the feasibility and efficacy of the proposed scheme.

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基于大容量飞轮储能阵列的宏观一致性协调控制策略

考虑飞轮储能和快速响应特性，对飞轮储能阵列系统进行柔性改造和优化功率分配。提出了一种基于大容量飞轮储能阵列的宏观协调控制策略。基于减少飞轮储能阵列调动次数和适应功率分配的思路，首先对飞轮阵列进行动态分组控制，FESAS根据功率分配指令优先选择功率匹配的阵列组进行充放电;其次，将荷电状态与比功率函数的指数关系引入飞轮单元，使阵列中飞轮单元的荷电状态差异逐渐减小，使整个飞轮储能阵列在充放电过程中逐渐变得宏观化。最后，利用Simulink软件建立阵列模型，验证了所提方案的可行性和有效性。

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来源期刊

2022 4th International Conference on Electrical Engineering and Control Technologies (CEECT)

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