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Design of a Repetitive Control for a Three-Phase Grid-Tied Converter under Distorted Grid Voltage Conditions

Author

Listed:
  • Andrzej Straś

    (Faculty of Electrical Engineering, Institute of Control and Industrial Electronics, Warsaw University of Technology, 00-662 Warsaw, Poland)

  • Bartłomiej Ufnalski

    (Faculty of Electrical Engineering, Institute of Control and Industrial Electronics, Warsaw University of Technology, 00-662 Warsaw, Poland)

  • Arkadiusz Kaszewski

    (Faculty of Electrical Engineering, Institute of Control and Industrial Electronics, Warsaw University of Technology, 00-662 Warsaw, Poland)

Abstract

The paper presents a design of repetitive control (RC) in the current control system of a three-phase grid-tied converter. The goal of the control system is to provide sinusoidal input filter currents under the conditions of distorted and asymmetrical grid voltage. A novel design of the RC is presented, in which the repetitive part is not excited by sharp and non-periodic changes of the reference signal, but it enables high-quality performance under periodic disturbance conditions. In the proposed system. RC cooperates with a discrete state feedback controller. An innovative approach to tuning is proposed in which parameters of the repetitive, as well as the state feedback controller, are selected as a result of the optimization process with the use of a particle swarm algorithm. The proposed control system is verified experimentally on a laboratory test bench. The achieved results confirm the high-quality system performance.

Suggested Citation

  • Andrzej Straś & Bartłomiej Ufnalski & Arkadiusz Kaszewski, 2023. "Design of a Repetitive Control for a Three-Phase Grid-Tied Converter under Distorted Grid Voltage Conditions," Energies, MDPI, vol. 16(2), pages 1-17, January.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:2:p:754-:d:1029835
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    References listed on IDEAS

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    1. Khlid Ben Hamad & Doudou N. Luta & Atanda K. Raji, 2021. "A Grid-Tied Fuel Cell Multilevel Inverter with Low Harmonic Distortions," Energies, MDPI, vol. 14(3), pages 1-24, January.
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