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Secondary Ripple Suppression Strategy for a Single-Phase PWM Rectifier Based on Constant Frequency Current Predictive Control

Hailan ZHOU, Longyun KANG, Xinwei DUAN, Ming ZHAO

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Summary :

In the conventional single-phase PWM rectifier, the sinusoidal fluctuating current and voltage on the grid side will generate power ripple with a doubled grid frequency which leads to a secondary ripple in the DC output voltage, and the switching frequency of the conventional model predictive control strategy is not fixed. In order to solve the above two problems, a control strategy for suppressing the secondary ripple based on the three-vector fixed-frequency model predictive current control is proposed. Taking the capacitive energy storage type single-phase PWM rectifier as the research object, the principle of its active filtering is analyzed and a model predictive control strategy is proposed. Simulation and experimental results show that the proposed strategy can significantly reduce the secondary ripple of the DC output voltage, reduce the harmonic content of the input current, and achieve a constant switching frequency.

Publication
IEICE TRANSACTIONS on Electronics Vol.E105-C No.11 pp.667-674
Publication Date
2022/11/01
Publicized
2022/03/30
Online ISSN
1745-1353
DOI
10.1587/transele.2021ESP0004
Type of Manuscript
Special Section PAPER (Special Section on Recent Advances in Simulation Techniques and Their Applications for Electronics)
Category

Authors

Hailan ZHOU
  South China University of Technology
Longyun KANG
  South China University of Technology
Xinwei DUAN
  South China University of Technology
Ming ZHAO
  Zhuhai Zhongli New Energy Sci-Tech Co., Ltd.

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