基于模糊控制的混合储能平抑风电功率波动

doi:10.3969/j.issn.1008-0198.2023.06.019

湖南电力 ›› 2023, Vol. 43 ›› Issue (6): 124-131.doi: 10.3969/j.issn.1008-0198.2023.06.019

基于模糊控制的混合储能平抑风电功率波动

赵建红, 东星, 刘仲稳, 韩旭

华北电力大学动力工程系,河北保定 071003

收稿日期:2023-07-13 修回日期:2023-08-15 出版日期:2023-12-25 发布日期:2024-01-07
作者简介:赵建红(2000),女,甘肃武威人,硕士研究生在读,研究方向为火电机组调频与深度调峰。
基金资助:
国家重点研发计划项目(2022YFE0117200-1);保定市科技计划项目(2272P008)

Hybrid Energy Storage Based on Fuzzy Control Stabilizes Wind Power Fluctuations

ZHAO Jianhong, DONG Xing, LIU Zhongwen, HAN Xu

Department of Power Engineering,North China Electric Power University, Baoding 071003,China

Received:2023-07-13 Revised:2023-08-15 Online:2023-12-25 Published:2024-01-07

摘要/Abstract

摘要： 为平抑风电并网功率波动、改善储能出力水平,提出风电并网功率动态分配模型、储能系统出力控制策略、风电耦合混合储能系统动态模型,通过MATLAB/Simulink进行模拟仿真。结果表明,两级滤波联合模糊控制可有效提高功率分配的合理性,功率总体波动程度减小43.82%,从0.227 16 MW减至0.127 61 MW;频率波动均值减小15.03%,由0.090 53 Hz减小至0.076 92Hz,频率极差降低34.59%;有效提高了风电并网稳定性、安全性,一定程度上减少了电池循环次数,有效延长了混合储能系统寿命。

关键词: 混合储能, 风电并网, 控制策略, 功率分配, 评价指标

Abstract: To suppress fluctuation in wind power grid-connected power and improve energy storage output level the dynamic distribution model of wind power grid-connected power, the output control strategy of energy storage system, and the dynamic model of wind power coupled hybrid energy storage system are proposed, and the simulation is carried out through Matlab/Simulink. The results show that the two-stage filtering and fuzzy control can effectively improve the rationality of power distribution, the overall fluctuation degree of power decreased by 43.82% from 0.227 16 MW to 0.127 61 MW, the average frequency deviation decreased by 15.03%, from 0.090 53 Hz to 0.076 92 Hz, and the frequency variance decreased by 34.59%, which effectively improves the stability and safety of wind power grid-connection, reduces the number of battery cycles to a certain extent, and effectively prolongs the life of hybrid energy storage system.

Key words: hybrid energy storage, wind power grid-connected, control strategy, power distribution, evaluation indicators

中图分类号:

TM614
TM91

赵建红, 东星, 刘仲稳, 韩旭. 基于模糊控制的混合储能平抑风电功率波动[J]. 湖南电力, 2023, 43(6): 124-131.

ZHAO Jianhong, DONG Xing, LIU Zhongwen, HAN Xu. Hybrid Energy Storage Based on Fuzzy Control Stabilizes Wind Power Fluctuations[J]. Hunan Electric Power, 2023, 43(6): 124-131.

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基于模糊控制的混合储能平抑风电功率波动

Hybrid Energy Storage Based on Fuzzy Control Stabilizes Wind Power Fluctuations

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