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Design and Implementation of Robust H∞ Control for Improving Disturbance Rejection of Grid-Connected Three-Phase PWM Rectifiers

Author

Listed:
  • Naima Ait Ramdane

    (IREENA Laboratory, University of Nantes, 44602 Saint-Nazaire, France
    L2CSP Laboratory, Mouloud Mammeri University of Tizi-Ouzou, BP 17 RP, Tizi-Ouzou 15000, Algeria)

  • Adel Rahoui

    (L2CSP Laboratory, Mouloud Mammeri University of Tizi-Ouzou, BP 17 RP, Tizi-Ouzou 15000, Algeria
    Ecole Nationale Supérieure des Travaux Publics Francis Jeanson, Rue Sidi Garidi BP 32 Vieux Kouba, Algiers 16051, Algeria)

  • Boussad Boukais

    (L2CSP Laboratory, Mouloud Mammeri University of Tizi-Ouzou, BP 17 RP, Tizi-Ouzou 15000, Algeria)

  • Mohamed Fouad Benkhoris

    (IREENA Laboratory, University of Nantes, 44602 Saint-Nazaire, France)

  • Mourad Ait-Ahmed

    (IREENA Laboratory, University of Nantes, 44602 Saint-Nazaire, France)

  • Ali Djerioui

    (IREENA Laboratory, University of Nantes, 44602 Saint-Nazaire, France
    LGE Laboratory, Department of Electrical Engineering, Mohamed Boudiaf University of M’Sila, BP 166 Ichbilia, M’Sila 28000, Algeria)

Abstract

In response to the high performance requirements of pulse width modulation (PWM) converters in grid-connected power systems, H-Infinity ( H∞ ) control has attracted significant research interest due to its robustness against parameter variations and external disturbances. In this work, an advanced robust H∞ control is proposed for a grid-connected three-phase PWM rectifier. A two-level control strategy is adopted, where cascaded H∞ controllers are designed to simultaneously regulate the DC bus voltage and input currents even under load disturbances and non-ideal grid conditions. As a result, unit power factor, stable DC bus voltage, and sinusoidal input currents with lower harmonics can be accurately achieved. The design methodology and stability of the proposed controller are verified through a comprehensive analysis. Simulation tests and experimental implementation on a dSPACE 1103 board demonstrate that the proposed control scheme can effectively enhance disturbance rejection performance under various operating conditions.

Suggested Citation

  • Naima Ait Ramdane & Adel Rahoui & Boussad Boukais & Mohamed Fouad Benkhoris & Mourad Ait-Ahmed & Ali Djerioui, 2024. "Design and Implementation of Robust H∞ Control for Improving Disturbance Rejection of Grid-Connected Three-Phase PWM Rectifiers," Energies, MDPI, vol. 17(9), pages 1-17, May.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:9:p:2166-:d:1387464
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