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Optimized Circulating Current Control and Enhanced AC Fault Ride-through Capability Using Model Predictive Control for MMC-HVDC Applications

Author

Listed:
  • Jahangeer Badar Soomro

    (Department of Electrical Engineering, Sukkur IBA University, Sukkur 65200, Pakistan)

  • Faheem Akhtar Chachar

    (Department of Electrical Engineering, Sukkur IBA University, Sukkur 65200, Pakistan)

  • Madad Ali Shah

    (Department of Electrical Engineering, Sukkur IBA University, Sukkur 65200, Pakistan)

  • Abdul Aziz Memon

    (Department of Electrical Engineering, Sukkur IBA University, Sukkur 65200, Pakistan)

  • Faisal Alsaif

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

  • Sager Alsulamy

    (Sustainable Energy Research Group, Energy & Climate Change Division, Faculty of Engineering & Physical Sciences, University of Southampton, Southampton SO16 7QF, UK)

Abstract

This paper presents a novel model predictive control (MPC) approach for suppressing circulating currents in MMC-based HVDC systems. The proposed MPC eliminates the need for PI-regulators and pulse width modulators, resulting in improved dynamic response and controllability. The methodology demonstrates exceptional efficacy in controlling output current and addressing voltage ripple concerns associated with sub module (SM) capacitors. An innovative, communication-free fault ride-through (FRT) method is also introduced, eliminating the need for a DC chopper and ensuring rapid recovery following faults. To overcome the computational challenges associated with the traditional MPC algorithm, an aggregate model of the MMC is proposed, significantly reducing predicted states, hardware requirements, and calculations. Simulations validate the robustness of the proposed MPC control algorithm in tracking AC side current, suppressing circulating current, and regulating capacitor voltages under various scenarios. Future research will explore system expansion, integration with renewable energy sources, and hardware-in-loop setup testing for further validation.

Suggested Citation

  • Jahangeer Badar Soomro & Faheem Akhtar Chachar & Madad Ali Shah & Abdul Aziz Memon & Faisal Alsaif & Sager Alsulamy, 2023. "Optimized Circulating Current Control and Enhanced AC Fault Ride-through Capability Using Model Predictive Control for MMC-HVDC Applications," Energies, MDPI, vol. 16(13), pages 1-19, July.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:13:p:5159-:d:1186794
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    References listed on IDEAS

    as
    1. Waqar Uddin & Kamran Zeb & Muhammad Adil Khan & Muhammad Ishfaq & Imran Khan & Saif ul Islam & Hee-Je Kim & Gwan Soo Park & Cheewoo Lee, 2019. "Control of Output and Circulating Current of Modular Multilevel Converter Using a Sliding Mode Approach," Energies, MDPI, vol. 12(21), pages 1-22, October.
    2. Waqar Uddin & Tiago D. C. Busarello & Kamran Zeb & Muhammad Adil Khan & Anil Kumar Yedluri & Hee-Je Kim, 2021. "Control Strategy Based on Arm-Level Control for Output and Circulating Current of MMC in Stationary Reference Frame," Energies, MDPI, vol. 14(14), pages 1-20, July.
    3. Songda Wang & Danyang Bao & Gustavo Gontijo & Sanjay Chaudhary & Remus Teodorescu, 2021. "Modeling and Mitigation Control of the Submodule-Capacitor Voltage Ripple of a Modular Multilevel Converter under Unbalanced Grid Conditions," Energies, MDPI, vol. 14(3), pages 1-17, January.
    4. Munif Nazmus Sakib & Sahar Pirooz Azad & Mehrdad Kazerani, 2022. "A Critical Review of Modular Multilevel Converter Configurations and Submodule Topologies from DC Fault Blocking and Ride-Through Capabilities Viewpoints for HVDC Applications," Energies, MDPI, vol. 15(11), pages 1-32, June.
    5. Muhammad Ishfaq & Waqar Uddin & Kamran Zeb & Imran Khan & Saif Ul Islam & Muhammad Adil Khan & Hee Je Kim, 2019. "A New Adaptive Approach to Control Circulating and Output Current of Modular Multilevel Converter," Energies, MDPI, vol. 12(6), pages 1-17, March.
    6. Miguel Moranchel & Emilio Bueno & Inés Sanz & Francisco J. Rodríguez, 2017. "New Approaches to Circulating Current Controllers for Modular Multilevel Converters," Energies, MDPI, vol. 10(1), pages 1-20, January.
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