Research on fault-tolerant control of three-level active power

Zhenhai Zhang; Xiaoyu He; Lei Wang; Xiaozhuang Ma; Yuhan Ju; Puqing An

doi:10.1117/12.3050444

12 December 2024 Research on fault-tolerant control of three-level active power

Zhenhai Zhang, Xiaoyu He, Lei Wang, Xiaozhuang Ma, Yuhan Ju, Puqing An

Author Affiliations +

Proceedings Volume 13419, Tenth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2024); 134193Y (2024) https://doi.org/10.1117/12.3050444
Event: Tenth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2024), 2024, Lhasa, China

Abstract

Based on the changes in the basic vectors in the space voltage vector diagram after the failure of different power devices in active power filters, two fault-tolerant control methods are proposed. For the open-circuit fault of the power device in the vertical bridge arm, a fault-tolerant control method based on hardware topology reconstruction is adopted. The fault-tolerant control method based on vector redundancy is adopted for the open-circuit fault of the power devices in the horizontal bridge arm. The failed basic voltage vector can be replaced by redundant vectors or equivalently synthesized by adjacent basic vectors. Finally, the fault-tolerant effects of these two methods were verified through simulation.

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

Citation Download Citation

Zhenhai Zhang, Xiaoyu He, Lei Wang, Xiaozhuang Ma, Yuhan Ju, and Puqing An "Research on fault-tolerant control of three-level active power", Proc. SPIE 13419, Tenth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2024), 134193Y (12 December 2024); https://doi.org/10.1117/12.3050444

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