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Fault Detecting and Isolating Schemes in a Low-Voltage DC Microgrid Network from a Remote Village

Author

Listed:
  • Pascal Hategekimana

    (African Center of Excellence Energy for Sustainable Development, University of Rwanda, Kigali P.O. Box 3900, Rwanda)

  • Adria Junyent Ferre

    (Electrical and Electronics Engineering Department, Imperial College London, London SW7 2BX, UK)

  • Joan Marc Rodriguez Bernuz

    (Electrical and Electronics Engineering Department, Imperial College London, London SW7 2BX, UK)

  • Etienne Ntagwirumugara

    (African Center of Excellence Energy for Sustainable Development, University of Rwanda, Kigali P.O. Box 3900, Rwanda)

Abstract

Fault detection and isolation are important tasks to improve the protection system of low voltage direct current (LVDC) networks. Nowadays, there are challenges related to the protection strategies in the LVDC systems. In this paper, two proposed methods for fault detection and isolation of the faulty segment through the line and bus voltage measurement were discussed. The impacts of grid fault current and the characteristics of protective devices under pre-fault normal, under-fault, and post-fault conditions were also discussed. It was found that within a short time after fault occurrence in the network, this fault was quickly detected and the faulty line segment was efficiently isolated from the grid, where this grid was restored to its normal operating conditions. For analysing the fault occurrence and its isolation, two algorithms with their corresponding MATLAB/SIMULINK platforms were developed. The findings of this paper showed that the proposed methods would be used for microgrid protection by successfully resolving the fault detection and grid restoration problems in the LVDC microgrids, especially in rural villages.

Suggested Citation

  • Pascal Hategekimana & Adria Junyent Ferre & Joan Marc Rodriguez Bernuz & Etienne Ntagwirumugara, 2022. "Fault Detecting and Isolating Schemes in a Low-Voltage DC Microgrid Network from a Remote Village," Energies, MDPI, vol. 15(12), pages 1-16, June.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:12:p:4460-:d:842359
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    References listed on IDEAS

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    1. Gururajapathy, S.S. & Mokhlis, H. & Illias, H.A., 2017. "Fault location and detection techniques in power distribution systems with distributed generation: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 74(C), pages 949-958.
    2. Wu, Pan & Huang, Wentao & Tai, Nengling & Liang, Shuo, 2018. "A novel design of architecture and control for multiple microgrids with hybrid AC/DC connection," Applied Energy, Elsevier, vol. 210(C), pages 1002-1016.
    3. Noor Hussain & Mashood Nasir & Juan Carlos Vasquez & Josep M. Guerrero, 2020. "Recent Developments and Challenges on AC Microgrids Fault Detection and Protection Systems–A Review," Energies, MDPI, vol. 13(9), pages 1-31, May.
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    Cited by:

    1. Vitor Fernão Pires & Armando Pires & Armando Cordeiro, 2023. "DC Microgrids: Benefits, Architectures, Perspectives and Challenges," Energies, MDPI, vol. 16(3), pages 1-20, January.
    2. Hyeon-Seung Lee & Young-Maan Cho & Kun-A Lee & Jae-Ho Rhee, 2022. "Fast Fault Detection and Active Isolation of Bidirectional Z-Source Circuit Breaker with Mechanical Switch," Energies, MDPI, vol. 15(23), pages 1-14, November.
    3. Jorge De La Cruz & Eduardo Gómez-Luna & Majid Ali & Juan C. Vasquez & Josep M. Guerrero, 2023. "Fault Location for Distribution Smart Grids: Literature Overview, Challenges, Solutions, and Future Trends," Energies, MDPI, vol. 16(5), pages 1-37, February.

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