发电技术2024，Vol.45Issue(3)：412-422,11.DOI:10.12096/j.2096-4528.pgt.23153
考虑平抑未来时刻风电波动的混合储能系统超前模糊控制策略
An Advanced Fuzzy Control Strategy for Hybrid Energy Storage Systems Considering Smoothing of Wind Power Fluctuations at Future Moments
摘要
Abstract
[Objectives]Existing hybrid energy storage system control strategy is difficult to maintain the state of charge(SOC)in a reasonable range at the same time,to meet the future moment of wind power fluctuations caused by the hybrid energy storage system ahead of the charging and discharging needs.Therefore,an over-charging and fuzzy control strategy for the hybrid energy storage system that takes into account the smoothing of wind power fluctuations in the future was proposed.[Methods]Firstly,the wind power needing to be smoothed by different types of energy storage devices was decomposed by using the ensemble empirical mode decomposition(EEMD)method.Secondly,the power correction parameter was adjusted according to the SOC of the hybrid energy storage system and the degree of power saturation to correct the output power of the hybrid energy storage system.Thirdly,the wind power prediction algorithm obtained the predicted value of wind power in the forward-looking cycle,and the advance charging and discharging parameters were rectified to correct the output power of the energy storage system according to the fluctuation of the wind power in the forward-looking cycle and the over-advance control theory.Finally,taking the actual data of a wind farm as an example,and validate the validity of the forward-looking fuzzy control strategy was proposed through simulation.[Results]The proposed control strategy can not only reduce the over-limit probability of wind power grid-connected fluctuation,significantly reduce the deviation between the total output power and the target power,but also make the SOC of the hybrid energy storage system within a reasonable range.[Conclusions]This strategy can provide a useful reference for research related to smoothing wind power volatility.关键词
风力发电/混合储能系统/模糊控制/超前控制Key words
wind power/hybrid energy storage system/fuzzy control/advanced control分类
能源科技引用本文复制引用
周丹,袁至,李骥,范玮..考虑平抑未来时刻风电波动的混合储能系统超前模糊控制策略[J].发电技术,2024,45(3):412-422,11.基金项目
国家自然科学基金项目(52067020) （52067020）
新疆维吾尔自治区重大科技专项项目(2022A01004-1).Project Supported by National Natural Science Foundation of China(52067020) （2022A01004-1）
Major Science and Technology Special Projects of Xinjiang Uygur Autonomous Region(2022A01004-1). （2022A01004-1）
