基于模糊控制的混合储能参与电网一次调频综合控制策略

韩朋谊; 郑立星; 刘树根; 薛小军; 闫来清

doi:10.19912/j.0254-0096.tynxb.2024-2285

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (5) : 468-478. DOI: 10.19912/j.0254-0096.tynxb.2024-2285

基于模糊控制的混合储能参与电网一次调频综合控制策略

韩朋谊¹, 郑立星¹, 刘树根², 薛小军¹, 闫来清¹

作者信息 +

RESEARCH ON FUZZY CONTROL-BASED INTEGRATED CONTROL STRATEGY FOR HYBRID ENERGY STORAGE PARTICIPATION IN POWER GRID PRIMARY FREQUENCY REGULATION

Han Pengyi¹, Zheng Lixing¹, Liu Shugen², Xue Xiaojun¹, Yan Laiqing¹

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文章历史 +

摘要

针对单一储能系统参与一次调频过程中存在的储能出力受限及储能荷电状态过充过放问题,提出一种基于模糊控制的混合储能参与电网一次调频综合控制策略。首先,基于超级电容快充快放特性和蓄电池大容量特性构建混合储能系统,并将调频动作先后顺序设置为超级电容先于蓄电池,蓄电池先于火电机组。其次,设计一种包含虚拟负惯量控制的模糊控制器,实现不同控制模式之间的平滑切换及优势互补;同时,基于Logistics函数设计自适应参数、储能反馈控制参数和SOC自恢复出力,避免储能出现过充过放现象。最后,利用Matlab/Simulink软件搭建仿真模型,并基于电网实际功率负荷对所提综合控制策略进行模拟分析。结果表明,该控制策略相较于无储能方案,最大频率偏差降低61.1%,同时使电网频率偏差达到稳定值所需时间缩短82.8%,能够有效提高系统调频能力,改善储能出力,稳定储能设备荷电状态。

Abstract

Due to the limitation of energy storage output and the problem of overcharging and over-discharging of the state of charge of a single energy storage system during the process of primary frequency modulation, an integrated control strategy based on fuzzy control for hybrid energy storage participation in the primary frequency modulation of the power grid is proposed. Firstly, a hybrid energy storage system is constructed based on the fast-charging and fast-discharging characteristics of supercapacitors and the large-capacity characteristics of batteries, and the sequence of frequency modulation actions is set as supercapacitors before batteries, and batteries before thermal power units. Secondly, a fuzzy controller containing virtual negative inertia control is designed to achieve smooth switching and complementary advantages among different control modes. Meanwhile, adaptive parameters, storage feedback control parameters, and SOC self-recovery output are designed based on the Logistic function to avoid overcharging and over-discharging energy storage. Finally, Matlab/Simulink software is used to build a simulation model, where the proposed integrated control strategy is simulated and analyzed based on the actual power load of the grid. The results show that, compared to the scenario without energy storage, this control strategy reduces the maximum frequency deviation by 61.1% and shortens the time required for the grid frequency deviation to reach a stable value by 82.8%. It effectively enhances the system's frequency regulation capability, improves the output of energy storage, and stabilizes the state of charge of the energy storage equipment.

导出引用

韩朋谊, 郑立星, 刘树根, 薛小军, 闫来清. 基于模糊控制的混合储能参与电网一次调频综合控制策略[J]. 太阳能学报. 2026, 47(5): 468-478 https://doi.org/10.19912/j.0254-0096.tynxb.2024-2285

Han Pengyi, Zheng Lixing, Liu Shugen, Xue Xiaojun, Yan Laiqing. RESEARCH ON FUZZY CONTROL-BASED INTEGRATED CONTROL STRATEGY FOR HYBRID ENERGY STORAGE PARTICIPATION IN POWER GRID PRIMARY FREQUENCY REGULATION[J]. Acta Energiae Solaris Sinica. 2026, 47(5): 468-478 https://doi.org/10.19912/j.0254-0096.tynxb.2024-2285

中图分类号： TM74

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