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A Simplified Model Predictive Control for T-Type Inverter with Output LC Filter

Author

Listed:
  • Van-Quang-Binh Ngo

    (Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Korea
    Department of Physics, College of Education, Hue University, Thua Thien Hue 530000, Vietnam)

  • Minh-Khai Nguyen

    (Department of Electrical Engineering, Chosun University, Gwangju 61452, Korea)

  • Tan-Tai Tran

    (Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Korea)

  • Young-Cheol Lim

    (Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Korea)

  • Joon-Ho Choi

    (Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Korea)

Abstract

In this paper, a model predictive control scheme for the T-type inverter with an output LC filter is presented. A simplified dynamics model is proposed to reduce the number of the measurement and control variables, resulting in a decrease in the cost and complexity of the system. Furthermore, the main contribution of the paper is the approach to evaluate the cost function. By employing the selection of sector information distribution in the reference inverter voltage and capacitor voltage balancing, the execution time of the proposed algorithm is significantly reduced by 36% compared with conventional model predictive control without too much impact on control performance. Simulation and experimental results are studied and compared with conventional finite control set model predictive control to validate the effectiveness of the proposed method.

Suggested Citation

  • Van-Quang-Binh Ngo & Minh-Khai Nguyen & Tan-Tai Tran & Young-Cheol Lim & Joon-Ho Choi, 2018. "A Simplified Model Predictive Control for T-Type Inverter with Output LC Filter," Energies, MDPI, vol. 12(1), pages 1-18, December.
    • Handle: RePEc:gam:jeners:v:12:y:2018:i:1:p:31-:d:192672
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    References listed on IDEAS

    as
    1. Vijay Kumar Singh & Ravi Nath Tripathi & Tsuyoshi Hanamoto, 2018. "HIL Co-Simulation of Finite Set-Model Predictive Control Using FPGA for a Three-Phase VSI System," Energies, MDPI, vol. 11(4), pages 1-15, April.
    2. Hyo-Chul In & Seok-Min Kim & Kyo-Beum Lee, 2018. "Design and Control of Small DC-Link Capacitor-Based Three-Level Inverter with Neutral-Point Voltage Balancing," Energies, MDPI, vol. 11(6), pages 1-18, June.
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    Cited by:

    1. Hyun Shin & Sang Heon Chae & Eel-Hwan Kim, 2021. "Unbalanced Current Reduction Method of Microgrid Based on Power Conversion System Operation," Energies, MDPI, vol. 14(13), pages 1-16, June.

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