风电功率波动平抑下的MPC双储能控制策略研究

doi:10.19595/j.cnki.1000-6753.tces.L80012

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摘要风电的规模化接入对电力系统造成了较大影响,应用储能进行风电功率波动的平抑可以提高其并网可信度。首先,应用模型预测控制算法平抑风电波动以达到其并网要求;然后,针对单组储能功率频繁充放电的情况,应用两组不同充放电状态的储能平抑风电波动,当一组储能处于充电时,另一组放电,其中任意一组达到SOC约束时,两组储能同时切换充放电状态;最后,从储能的经济性成本方面进行分析,通过与单组储能的对比证明了其优越性。

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	孙玉树
	张国伟
	唐西胜
	贾东强
	曹志煌

Abstract：Large-scale grid-connected wind power brings a greater impact on the power system. The energy storage is used to mitigate wind power fluctuation, so the grid reliability is improved drastically. Firstly, model predictive control algorithm (MPC) is used to mitigate wind power fluctuation within the requirements of the grid. Daul energy storage with different states of charge and discharge are applied to overcome frequent charging and discharging of single energy storage. When one reaches SOC constraints, both of states of charge and discharge are changed. Finally, the superiority of this method is proved by comparing with single energy storage from the economic cost analysis.

Key words： Wind power fluctuations mitigation model predictive control algorithm dual energy storage optimal capacity

收稿日期: 2018-05-10 出版日期: 2019-01-31

PACS:

TM614

基金资助:国家重点研发计划（2016YFB0900400）、中国科学院电工研究所所长基金（Y760141CSA）和江苏省2016年省创新能力建设专项资金（BM2016027）资助

通讯作者: 张国伟,男，1977年生，高级实验师，研究方向为储能变流器及其电网应用技术等。E-mail：zhangguowei@mail.iee.ac.cn

作者简介: 孙玉树男,1987年生,助理研究员,研究方向为新能源发电、电力储能及微电网等。E-mail：yushusun@mail.iee.ac.cn

引用本文:

孙玉树, 张国伟, 唐西胜, 贾东强, 曹志煌. 风电功率波动平抑下的MPC双储能控制策略研究[J]. 电工技术学报, 2019, 34(3): 571-578. Sun Yushu, Zhang Guowei, Tang Xisheng, Jia Dongqiang, Cao Zhihuang. Research on MPC and Daul Energy Storage Control Strategies with Wind Power Fluctuation Mitigation. Transactions of China Electrotechnical Society, 2019, 34(3): 571-578.

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