Linear Active Disturbance Rejection Control for Flexible Excitation System of Pumped Storage Units

Bo Zhao, Jiandong Zheng (), Jun Qin, Dan Wang, Jiayao Li, Xinyu Cheng and Sisi Jia
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Bo Zhao: Pumped-Storage Technological & Economic Research Institute State Grid Xinyuan Company Ltd., Beijing 100761, China
Jiandong Zheng: Department of Power Engineering, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Jun Qin: Pumped-Storage Technological & Economic Research Institute State Grid Xinyuan Company Ltd., Beijing 100761, China
Dan Wang: Department of Power Engineering, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Jiayao Li: Pumped-Storage Technological & Economic Research Institute State Grid Xinyuan Company Ltd., Beijing 100761, China
Xinyu Cheng: Department of Power Engineering, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Sisi Jia: Department of Power Engineering, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

Energies, 2024, vol. 17, issue 15, 1-19

Abstract: The role of pumped storage in global energy structure transformation is becoming increasingly prominent. This article introduces a flexible excitation system based on fully controlled device converters into pumped storage units (PSUs). It can address the issues of insufficient excitation capacity and limited stability associated with traditional thyristor excitation systems. The study focuses on linear active disturbance rejection control (LADRC) for the flexible excitation control system of pumped storage units and utilizes intelligent optimization algorithms to optimize the controller parameters. This addresses the inherent problem of traditional PID controllers, which are unable to alleviate the trade-off between response speed and overshoot. At the same time, the robustness and anti-interference of the control system are improved, effectively enhancing the performance of the pumped storage flexible excitation control system. Simulation verifies the feasibility and superiority of the proposed method.

Keywords: pumped storage; flexible excitation system; linear active disturbance rejection control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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