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A Single-Loop Repetitive Voltage Controller with an Active Damping Control Technique

Author

Listed:
  • Younghoon Cho

    (Department of Electrical Engineering, Konkuk University, Seoul 05029, Korea)

  • Byeng-Joo Byen

    (Department of Electrical Engineering, Konkuk University, Seoul 05029, Korea)

  • Han-Sol Lee

    (Department of Control and Instrumentation Engineering, Korea University of Transportation, Chungju 27469, Korea)

  • Kwan-Yuhl Cho

    (Department of Control and Instrumentation Engineering, Korea University of Transportation, Chungju 27469, Korea)

Abstract

This paper proposes a single-loop repetitive voltage control strategy which incorporates the active damping control feature for single-phase uninterruptible power supply (UPS) applications. The proposed method reduces the effect of the LC resonant peak, which limits the control bandwidth and deteriorates the stability of the entire control loop by effectively increasing the damping component. Due to the increased stability margin, a repetitive controller working together with a proportional-resonant (PR) controller can be easily adopted. Moreover, the voltage error is minimized even under severe non-linear load conditions. It is confirmed that the proposed single-loop controller achieves excellent and stable voltage regulation performance by evaluating the entire loop-gain of the system and the output impedance. Both the simulation and the experimental results for a 1.5 kW UPS inverter show agree well with the analyses, and the excellence of the proposed method has been verified.

Suggested Citation

  • Younghoon Cho & Byeng-Joo Byen & Han-Sol Lee & Kwan-Yuhl Cho, 2017. "A Single-Loop Repetitive Voltage Controller with an Active Damping Control Technique," Energies, MDPI, vol. 10(5), pages 1-13, May.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:5:p:673-:d:98237
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    References listed on IDEAS

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    1. Aiswariya Sekar & Dhanasekaran Raghavan, 2015. "Implementation of Single Phase Soft Switched PFC Converter for Plug-in-Hybrid Electric Vehicles," Energies, MDPI, vol. 8(11), pages 1-16, November.
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    Cited by:

    1. Matthias Schiesser & Sébastien Wasterlain & Mario Marchesoni & Mauro Carpita, 2018. "A Simplified Design Strategy for Multi-Resonant Current Control of a Grid-Connected Voltage Source Inverter with an LCL Filter," Energies, MDPI, vol. 11(3), pages 1-15, March.
    2. ByungHoon Yang & KyoungJoo Kim & HyungSoo Mok, 2020. "Fast and Robust Hybrid Starter and Generator Speed Control for Improving Drivability of Parallel Hybrid Electric Vehicles," Energies, MDPI, vol. 13(19), pages 1-21, September.

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