Research on the model predictive control strategy of VSC rectifier station connected to wind farm

Ye Tian; Yu Yu; Shuang Lv; Tian Xia; Jian Wang

doi:10.1117/12.2611070

14 October 2021 Research on the model predictive control strategy of VSC rectifier station connected to wind farm

Ye Tian, Yu Yu, Shuang Lv, Tian Xia, Jian Wang

Proceedings Volume 11930, International Conference on Mechanical Engineering, Measurement Control, and Instrumentation; 1193022 (2021) https://doi.org/10.1117/12.2611070
Event: International Conference on Mechanical Engineering, Measurement Control, and Instrumentation (MEMCI 2021), 2021, Guangzhou, China

Abstract

The PI double closed-loop control is often used in a VSC rectifier station connected to a wind farm, which has a complex structure and needs to set PI parameters. It is easy to interact with the PI controller of a doubly-fed induction generator and has a slow response speed. In this paper,the model predictive control strategy of a VSC rectifier station connected to a wind farm is proposed. By deriving the discrete mathematical model of WF-VSC, the electrical value in a control cycle is predicted, and a reasonable cost function is constructed to obtain the optimal switching state at the next moment, to realize the constant AC voltage control of WF-VSC. Finally, the constant wind speed and fluctuating wind speed conditions are simulated in MATLAB. The simulation results show that the designed model predictive control system has faster dynamic response speed and higher control precision than PI control.

Citation Download Citation

Ye Tian, Yu Yu, Shuang Lv, Tian Xia, and Jian Wang "Research on the model predictive control strategy of VSC rectifier station connected to wind farm", Proc. SPIE 11930, International Conference on Mechanical Engineering, Measurement Control, and Instrumentation, 1193022 (14 October 2021); https://doi.org/10.1117/12.2611070

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