Grid-connected 3-level active neutral-point-clamped converter converter sliding mode control based on disturbance observation

Chen Qin; Xiaoqing Han; Xinzhe Zhang; Wanyu Tao

doi:10.1117/12.3015107

4 March 2024 Grid-connected 3-level active neutral-point-clamped converter converter sliding mode control based on disturbance observation

Chen Qin, Xiaoqing Han, Xinzhe Zhang, Wanyu Tao

Author Affiliations +

Proceedings Volume 12981, Ninth International Symposium on Sensors, Mechatronics, and Automation System (ISSMAS 2023); 1298162 (2024) https://doi.org/10.1117/12.3015107
Event: 9th International Symposium on Sensors, Mechatronics, and Automation (ISSMAS 2023), 2023, Nanjing, China

Abstract

In this paper, the electrochemical energy storage converter based on 3L-ANPC topology is taken as the research object, and the sliding mode controller(SMC) with disturbance observation is introduced. Firstly, a nonlinear SMC based on Gaussian reaching law is designed to control the grid current and inject the required active power and reactive power into the network. Then a Kalman observer is established for parameter mismatch and model uncertainty, and the stability of the disturbance observer is analyzed when there are errors in the parameters of the induction filter. Then, the neutral point voltage is balanced by zero vector injection carrier modulation. Finally, the effectiveness of the proposed method is verified by simulation.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Chen Qin, Xiaoqing Han, Xinzhe Zhang, and Wanyu Tao "Grid-connected 3-level active neutral-point-clamped converter converter sliding mode control based on disturbance observation", Proc. SPIE 12981, Ninth International Symposium on Sensors, Mechatronics, and Automation System (ISSMAS 2023), 1298162 (4 March 2024); https://doi.org/10.1117/12.3015107

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