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Development of a Series Braking Resistor to Eliminate Control Interference in Multi-Infeed HVDC Systems Considering the AC Three-Phase Fault—An Actual Case Study

Author

Listed:
  • Sungwook Lee

    (Department of Electrical and Information Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea)

  • Junho Hong

    (Department of Electrical and Computer Engineering, University of Michigan Dearborn, Dearborn, MI 48128, USA)

  • Dohoon Kwon

    (Department of Electrical and Information Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea)

Abstract

The integration of converter facilities into power systems has warranted a growing need to address the control interference phenomenon. In this study, we propose a facility-based approach to mitigate the control interference between adjacent high-voltage direct current (HVDC) units in a multi-infeed HVDC system. The proposed method uses a series braking resistor (SeBR) as a preventive measure to restore control when a fault occurs in one HVDC unit within a multi-infeed HVDC system, thereby enabling stable operation of adjacent HVDC units. The developed SeBR model incorporates an inductor component and is divided into Stages 1 and 2 to overcome the frequency reduction issue associated with the long-term deployment of conventional R-based SeBRs. Additionally, if the fault continues to affect the control of adjacent HVDC units despite the application of a blocking stage in the faulted HVDC unit, switch controller logic circuits are designed considering the deployment of Stage 2 of the proposed SeBR. The effectiveness of the proposed SeBR is validated based on the detailed modeling and verification of actual HVDC systems via a case study. The results validate the superior performance of the proposed SeBR over other methods in ensuring a continuous stable operation of the system.

Suggested Citation

  • Sungwook Lee & Junho Hong & Dohoon Kwon, 2024. "Development of a Series Braking Resistor to Eliminate Control Interference in Multi-Infeed HVDC Systems Considering the AC Three-Phase Fault—An Actual Case Study," Energies, MDPI, vol. 17(16), pages 1-19, August.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:16:p:4112-:d:1458933
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    References listed on IDEAS

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    1. Mostafa A. Hamood & Ognjen Marjanovic & Joaquin Carrasco, 2021. "Adaptive Impedance-Conditioned Phase-Locked Loop for the VSC Converter Connected to Weak Grid," Energies, MDPI, vol. 14(19), pages 1-24, September.
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