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Earth Fault Location Using Negative Sequence Currents

Author

Listed:
  • Amir Farughian

    (School of Technology and Innovations, University of Vaasa, 6500 Vaasa, Finland)

  • Lauri Kumpulainen

    (School of Technology and Innovations, University of Vaasa, 6500 Vaasa, Finland)

  • Kimmo Kauhaniemi

    (School of Technology and Innovations, University of Vaasa, 6500 Vaasa, Finland)

Abstract

In this paper, a new method for locating single-phase earth faults on non-effectively earthed medium voltage distribution networks is proposed. The method requires only current measurements and is based on the analysis of the negative sequence components of the currents measured at secondary substations along medium voltage (MV) distribution feeders. The theory behind the proposed method is discussed in depth. The proposed method is examined by simulations, which are carried out for different types of networks. The results validate the effectiveness of the method in locating single-phase earth faults. In addition, some aspects of practical implementation are discussed. A brief comparative analysis is conducted between the behaviors of negative and zero sequence currents along a faulty feeder. The results reveal a considerably higher stability level of the negative sequence current over that of the zero sequence current.

Suggested Citation

  • Amir Farughian & Lauri Kumpulainen & Kimmo Kauhaniemi, 2019. "Earth Fault Location Using Negative Sequence Currents," Energies, MDPI, vol. 12(19), pages 1-14, September.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:19:p:3759-:d:272505
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    Citations

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    Cited by:

    1. Pierluigi Siano & Miadreza Shafie-khah, 2020. "Special Issue on Advanced Approaches, Business Models, and Novel Techniques for Management and Control of Smart Grids," Energies, MDPI, vol. 13(11), pages 1-3, May.
    2. 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.
    3. Krzysztof Lowczowski & Jozef Lorenc & Jozef Zawodniak & Grzegorz Dombek, 2020. "Detection and Location of Earth Fault in MV Feeders Using Screen Earthing Current Measurements," Energies, MDPI, vol. 13(5), pages 1-24, March.
    4. Yih-Der Lee & Jheng-Lun Jiang & Yuan-Hsiang Ho & Wei-Chen Lin & Hsin-Ching Chih & Wei-Tzer Huang, 2020. "Neutral Current Reduction in Three-Phase Four-Wire Distribution Feeders by Optimal Phase Arrangement Based on a Full-Scale Net Load Model Derived from the FTU Data," Energies, MDPI, vol. 13(7), pages 1-20, April.
    5. Amir Farughian & Lauri Kumpulainen & Kimmo Kauhaniemi, 2020. "Non-Directional Earth Fault Passage Indication in Isolated Neutral Distribution Networks," Energies, MDPI, vol. 13(18), pages 1-10, September.
    6. Piotr Hoduń & Michał Borecki, 2021. "Reliability Assessment of MV Power Connections," Energies, MDPI, vol. 14(21), pages 1-15, October.

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