Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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Double-voltage vector-based model predictive control for three-phase grid-connected AC/DC converters

  • Guo, Leilei (School of Electrical and Information Engineering, Zhengzhou University of Light Industry) ;
  • Zhang, Kaixuan (School of Electrical and Information Engineering, Zhengzhou University of Light Industry) ;
  • Li, Yanyan (School of Electrical and Information Engineering, Zhengzhou University of Light Industry) ;
  • Jin, Nan (School of Electrical and Information Engineering, Zhengzhou University of Light Industry)
  • Received : 2019.02.22
  • Accepted : 2019.09.10
  • Published : 2020.01.20
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Abstract

This paper presents a double-vector-based model predictive control method for three-phase grid-connected AC/DC converters. The conventional model predictive control (MPC) presents high steady-state ripples due to the application of only one voltage vector during one control period. To reduce the current ripples, a new MPC method is proposed. Double-voltage vectors are selected and applied it each control period in the proposed method. To reduce the calculation burden, the duration time of each voltage vector is calculated based on the principle of modulated MPC. Furthermore, the effectiveness of the proposed double-voltage vector-based MPC strategy is analyzed in theory for the first time. Then, it is further verified by comparative experiment studies.

Keywords

Acknowledgement

This research was supported in part by the National Natural Science Foundation of China (Nos. 51707176, 51607159), in part by the Key Scientific Research Project in Universities of Henan Province (Nos. 18A470020, 20A470011), and in part by the Doctoral Foundation of Zhengzhou University of Light Industry (Nos. 2016BSJJ003).

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