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Synergistic Control of Active Filter and Grid Forming Inverter for Power Quality Improvement

Author

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  • Khaliqur Rahman

    (National Institute of Advanced Industrial Science and Technology (AIST), Renewable Energy Research Center, Koriyama 963-0205, Japan)

  • Jun Hashimoto

    (National Institute of Advanced Industrial Science and Technology (AIST), Renewable Energy Research Center, Koriyama 963-0205, Japan)

  • Kunio Koseki

    (National Institute of Advanced Industrial Science and Technology (AIST), Advanced Power Electronics Research Center, Tsukuba 305-8568, Japan)

  • Taha Selim Ustun

    (National Institute of Advanced Industrial Science and Technology (AIST), Renewable Energy Research Center, Koriyama 963-0205, Japan)

  • Dai Orihara

    (National Institute of Advanced Industrial Science and Technology (AIST), Renewable Energy Research Center, Koriyama 963-0205, Japan)

  • Hiroshi Kikusato

    (National Institute of Advanced Industrial Science and Technology (AIST), Renewable Energy Research Center, Koriyama 963-0205, Japan)

Abstract

This paper addresses the challenges and opportunities associated with integrating grid-forming inverters (GFMs) into modern power systems, particularly in the presence of nonlinear loads. Nonlinear loads introduce significant harmonic distortions in the source voltage and current, leading to reduced power factor, increased losses, and an overall reduction in system performance. To mitigate these adverse effects, active filters are employed. The objective of this study is to investigate a synergistic approach to modeling and control in integrated power systems with GFMs, focusing on enhancing power quality and grid stability by reducing harmonic distortions through the use of voltage-source active filters. This research contributes to sustainability by supporting the reliable and efficient integration of renewable energy sources, thereby reducing dependency on fossil fuels and minimizing greenhouse gas emissions. Additionally, improving power quality and system efficiency helps reduce energy waste, which is crucial for achieving sustainable energy goals. Simulations are conducted on a 1000 kW GFM connected to a grid with a nonlinear variable load, demonstrating the system’s effectiveness in adapting to dynamic conditions, reducing harmonics, and promoting a stable, resilient, and sustainable power grid.

Suggested Citation

  • Khaliqur Rahman & Jun Hashimoto & Kunio Koseki & Taha Selim Ustun & Dai Orihara & Hiroshi Kikusato, 2024. "Synergistic Control of Active Filter and Grid Forming Inverter for Power Quality Improvement," Sustainability, MDPI, vol. 16(20), pages 1-15, October.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:20:p:9068-:d:1502409
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    References listed on IDEAS

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    1. Khaliqur Rahman & Jun Hashimoto & Dai Orihara & Taha Selim Ustun & Kenji Otani & Hiroshi Kikusato & Yasuhiro Kodama, 2024. "Reviewing Control Paradigms and Emerging Trends of Grid-Forming Inverters—A Comparative Study," Energies, MDPI, vol. 17(10), pages 1-25, May.
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