Energy storage peak and frequency modulation cooperative control strategy based on multi-time-scale

被引：0
作者：
Chen C. [1 ,2 ]
Li X. [1 ]
Zhang B. [3 ]
Yang T. [2 ]
机构：
[1] College of Electrical and Information Engineering, Hunan University, Changsha
[2] Hunan Provincial Key Laboratory of Smart City Energy Perception and Edge Computing, Hunan City University, Yiyang
[3] State Grid Zhejiang Huzhou Deqing Power Supply Co., Ltd., Huzhou
来源：
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | 2022年 / 50卷 / 05期
关键词：
Cooperative control strategy; Energy storage; Frequency regulation; Peak shaving;
D O I：
10.19783/j.cnki.pspc.210857
中图分类号：
学科分类号：
摘要：
Energy Storage (ES) participates in the control of a single scenario (peak regulation or frequency modulation) of the power grid, and the utilization rate is low. A peak-FM working area division method and cooperative control strategy based on ES State of Charge (SoC) are proposed. This strategy can realize ES switching between peak modulation and frequency modulation control, and then improve the utilization rate. Then, to further improve the effect of ES peak modulation, a variable power peak modulation strategy and integrated frequency modulation control strategy combining virtual inertia and droop control are proposed respectively in a single peak modulation scene. From here a cooperative control strategy of peak and frequency modulation is proposed. Finally, a simulation example shows that compared with monotone peak control and single frequency modulation control, the utilization rate of ES is improved by 16.25% and 37.29% respectively based on multi-timescale cooperative control strategy. This shows the feasibility of the method and strategy. © 2022 Power System Protection and Control Press.
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页码：94 / 105
页数：11
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