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Improving Line Current Distortion in Single-Phase Vienna Rectifiers Using Model-Based Predictive Control

Author

Listed:
  • Yong-Dae Kwon

    (Department of Electrical and Computer Engineering, Ajou University, 206, World cup-ro, Yeongtong-gu, Suwon 16499, Korea)

  • Jin-Hyuk Park

    (Department of Electrical and Computer Engineering, Ajou University, 206, World cup-ro, Yeongtong-gu, Suwon 16499, Korea)

  • Kyo-Beum Lee

    (Department of Electrical and Computer Engineering, Ajou University, 206, World cup-ro, Yeongtong-gu, Suwon 16499, Korea)

Abstract

Conventional single-phase Vienna rectifiers employ proportional-integral (PI) controllers which are appropriate for controlling DC components, to regulate their line currents. However, in the regions close to the line current’s zero-crossing point, the dynamics of PI controllers are too slow to respond to the reference current, which has an AC component. Hence, the power factor (PF) of the device is degenerated, and total harmonic distortion (THD) increases. A controller with a fast dynamic response is thus required to solve this problem. In this paper, we investigate the use of a model-based predictive controller (MPC), which has a faster dynamic response than a PI controller, to improve the line current quality of a single-phase Vienna rectifier. With this method, the average current in both the continuous current mode (CCM) and the discontinuous current mode (DCM) of operation are controlled using a mode detection method. Moreover, we calculate the optimized duty cycle for the single-phase Vienna rectifier, by predicting the next current state. We verify the operation of the proposed algorithm using a PSIM simulation, and a practical experiment conducted with a 1-kW-rated single-phase Vienna rectifier prototype. With the proposed method, the quality of the line current near the zero-crossing point is improved, and the PF is controlled to unity.

Suggested Citation

  • Yong-Dae Kwon & Jin-Hyuk Park & Kyo-Beum Lee, 2018. "Improving Line Current Distortion in Single-Phase Vienna Rectifiers Using Model-Based Predictive Control," Energies, MDPI, vol. 11(5), pages 1-22, May.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:5:p:1237-:d:146022
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    References listed on IDEAS

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    1. Yeongsu Bak & Eunsil Lee & Kyo-Beum Lee, 2015. "Indirect Matrix Converter for Hybrid Electric Vehicle Application with Three-Phase and Single-Phase Outputs," Energies, MDPI, vol. 8(5), pages 1-18, April.
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    Cited by:

    1. Muhammad Luqman & Gang Yao & Lidan Zhou & Tao Zhang & Anil Lamichhane, 2019. "A Novel Hybrid Converter Proposed for Multi-MW Wind Generator for Offshore Applications," Energies, MDPI, vol. 12(21), pages 1-16, November.
    2. Pham Thi Thuy Linh & Nguyen Ngoc Bach & Vu Minh Phap & Doan Van Binh, 2021. "Real-Time Fault Detection to Ensure the Safe Operation of the Single-Phase Five-Level VIENNA Rectifier," Energies, MDPI, vol. 14(24), pages 1-20, December.

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