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Frequency regulation of source-load-storage collaborative control with waste mine-pumped storage power stations |
DOI:10.19783/j.cnki.pspc.231118 |
Key Words:load frequency control waste mine pumped and storage power station super capacitors distributed model predictive control |
Author Name | Affiliation | LUO Zhao1 | 1. Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650500, China
2. Yunnan Power Dispatching and Control Center, Kunming 650051, China 3. Measurement Center of
Yunnan Power Grid Co., Ltd., Kunming 650051, China | TIAN Xiao1 | 1. Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650500, China
2. Yunnan Power Dispatching and Control Center, Kunming 650051, China 3. Measurement Center of
Yunnan Power Grid Co., Ltd., Kunming 650051, China | MO Xi2 | 1. Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650500, China
2. Yunnan Power Dispatching and Control Center, Kunming 650051, China 3. Measurement Center of
Yunnan Power Grid Co., Ltd., Kunming 650051, China | NIE Lingfeng1 | 1. Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650500, China
2. Yunnan Power Dispatching and Control Center, Kunming 650051, China 3. Measurement Center of
Yunnan Power Grid Co., Ltd., Kunming 650051, China | SHEN Xin3 | 1. Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650500, China
2. Yunnan Power Dispatching and Control Center, Kunming 650051, China 3. Measurement Center of
Yunnan Power Grid Co., Ltd., Kunming 650051, China | LEI Yuanqing1 | 1. Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650500, China
2. Yunnan Power Dispatching and Control Center, Kunming 650051, China 3. Measurement Center of
Yunnan Power Grid Co., Ltd., Kunming 650051, China |
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Abstract:In response to the problem of insufficient frequency regulation capacity and frequency response ability caused by the increasing penetration rate of new energy in the power grid, this paper proposes a source-load-storage coordinated control frequency regulation method with waste mine-pumped storage power stations. First, the frequency response model is established for the industrial load of electrolytic aluminum, waste mine pumped storage power stations, and super capacitors. Then, based on the theory of model predictive control, a distributed model predictive controller with regional information interaction is designed with the goal of minimizing the weighted functions of system state and control variables, and a source-load-storage coordinated control frequency regulation method with waste mine-pumped storage power stations is proposed. Finally, the distributed model predictive controller is applied to the proposed source-load- storage collaborative control method, and simulated in an improved IEEE standard two-region LFC model. The results show that this method can shorten frequency recovery time, reduce maximum frequency difference, and improve the system’s frequency regulation dynamic performance. |
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