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Applications of Novel Combined Controllers for Optimizing Grid-Connected Hybrid Renewable Energy Systems

Author

Listed:
  • Fatima Menzri

    (LGEA Laboratory, Electrical Engineering Department, Science and Applied Science Faculty, L’arbi Ben M’hid Oum Bouaghi University, Oum Bouaghi 04000, Algeria)

  • Tarek Boutabba

    (LSPIE Laboratory, Faculty of Science and Technology, University of Khenchela, El-Hamma, BP 1252 Road of Batna, Khenchela 40004, Algeria
    Laboratory of Electromagnetic Induction and Propulsion Systems (LSPIE), Department of Electrical Engineering, Faculty of Technology, University of Batna 2, Batna 05000, Algeria)

  • Idriss Benlaloui

    (Laboratory of Electromagnetic Induction and Propulsion Systems (LSPIE), Department of Electrical Engineering, Faculty of Technology, University of Batna 2, Batna 05000, Algeria)

  • Larbi Chrifi-Alaoui

    (LTI Laboratory of Innovative Technologies, University of Picardie Jules Verne, LTI (EA, 3899), 13 F. Mitterrand Avenue, 02880 Cuffies, France)

  • Abdulaziz Alkuhayli

    (Department of Electrical Engineering, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia)

  • Usama Khaled

    (Electrical Engineering Department, Faculty of Energy Engineering, Aswan University, Aswan 81528, Egypt)

  • Mohamed Metwally Mahmoud

    (Electrical Engineering Department, Faculty of Energy Engineering, Aswan University, Aswan 81528, Egypt)

Abstract

Hybrid renewable energy systems (HRES) integrating solar, wind, and storage technologies offer enhanced efficiency and reliability for grid-connected applications. However, existing control methods often struggle with maintaining DC voltage stability and minimizing power fluctuations, particularly under variable load conditions. This paper addresses this research gap by proposing a novel control strategy utilizing a PD (1+PI) regulator that combines proportional–integral (PI) and proportional–derivative (PD) controllers. Integrated into the HRES with maximum power point tracking (MPPT), the system includes solar panels, a storage unit, and a wind system featuring a permanent magnet synchronous generator (PMSG). The PD (1+PI) regulator plays a critical role in stabilizing DC voltages within the storage system and collaborates with predictive direct power control (P-DPC) to improve current quality by mitigating fluctuations in active and reactive power. Comparative analysis against traditional direct power control methods shows that the proposed strategy reduces voltage fluctuation by 30% and improves energy utilization efficiency by 25%, validating its efficacy in managing energy from diverse sources to meet nonlinear load demands. The results demonstrate that integrating the PD (1+PI) regulator with MPPT and P-DPC approaches enhances power stability and optimizes energy utilization in grid-connected HRES, underscoring the effectiveness of this advanced control system.

Suggested Citation

  • Fatima Menzri & Tarek Boutabba & Idriss Benlaloui & Larbi Chrifi-Alaoui & Abdulaziz Alkuhayli & Usama Khaled & Mohamed Metwally Mahmoud, 2024. "Applications of Novel Combined Controllers for Optimizing Grid-Connected Hybrid Renewable Energy Systems," Sustainability, MDPI, vol. 16(16), pages 1-24, August.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:16:p:6825-:d:1452999
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    References listed on IDEAS

    as
    1. Naamane Debdouche & Brahim Deffaf & Habib Benbouhenni & Zarour Laid & Mohamed I. Mosaad, 2023. "Direct Power Control for Three-Level Multifunctional Voltage Source Inverter of PV Systems Using a Simplified Super-Twisting Algorithm," Energies, MDPI, vol. 16(10), pages 1-32, May.
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