Self-adaptive integrated control strategy of battery energy storage system considering SOC for primary frequency regulation

被引：0
|
作者：
Wang Y. [1 ]
Yang M. [1 ]
Xue H. [1 ]
Zhang Y. [1 ]
Mi Y. [1 ]
机构：
[1] College of Electrical Engineering, Shanghai University of Electrical Power, Shanghai
来源：
Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2021年 / 41卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Battery energy storage system; Integrated control strategy; Primary frequency regulation; Self-adaptive factor; State of charge;
D O I：
10.16081/j.epae.202110026
中图分类号：
学科分类号：
摘要：
Considering improving the adaptability of primary frequency response under the limitation of BESS (Battery Energy Storage System) capacity, an integrated control strategy of BESS considering SOC (State Of Charge) for primary frequency regulation is proposed. The dynamic model of BESS for primary frequency regulation is established. The regulation characteristics of virtual inertia and virtual droop control on the grid frequency deviation are compared and analyzed. A self-adaptive integrated control strategy of BESS considering SOC for primary frequency regulation is designed, in which a self-adaptive factor of a dynamic combination of input coefficient considering frequency deviation and its rate of change and feedback coefficient considering SOC is introduced. The input coefficients are adaptively adjusted by fuzzy logic controller and the feedback coefficients are adaptively adjusted by regression function. Finally, the simulation model is built to compare and analyze different control strategies under step and continuous load disturbance. The simulative results show that the proposed control strategy can adaptively control the output of BESS and effectively improve the primary frequency regulation effect. © 2021, Electric Power Automation Equipment Press. All right reserved.
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页码：192 / 198and219
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