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Influence of High-Speed Train Power Consumption and Arc Fault Resistances on a Novel Ground Fault Location Method for 2 × 25 kV Railway Power Supply Systems

Author

Listed:
  • Carlos A. Platero

    (Department of Electrical Engineering, ETS Ingenieros Industriales, Universidad Politécnica de Madrid, C/José Gutierrez Abascal, 2, 28006 Madrid, Spain)

  • Jesús Serrano

    (Department of Electrical Engineering, ETS Ingenieros Industriales, Universidad Politécnica de Madrid, C/José Gutierrez Abascal, 2, 28006 Madrid, Spain)

  • Máximo López-Toledo

    (Department of Electrical Engineering, ETS Ingenieros Industriales, Universidad Politécnica de Madrid, C/José Gutierrez Abascal, 2, 28006 Madrid, Spain)

  • Ricardo Granizo

    (Department of Electrical Engineering, ETS Ingeniería y Diseño Industrial, Universidad Politécnica de Madrid, C/Ronda de Valencia, 3, 28012 Madrid, Spain)

Abstract

The 2 × 25 kV power supply system is the most frequently used traction rail system to provide the huge power needed by high-speed trains. However, locating the ground fault in this power supply system is more complicated than in other configurations of electrical railway power supply due to the installation of autotransformers throughout the line section. In previous papers, the authors have described a ground fault location method with an insignificant installation cost. The method and, moreover, the location discriminate between whether the ground fault is located between a positive conductor and ground or a negative conductor and ground. The current of the high-speed train influences the accuracy of the location of the ground fault. An additional factor which influences the location method is the existence of an arc resistance between the positive or negative conductor and ground. In this paper, the influence of high-speed train currents and arc resistances are analysed to evaluate the error in the location method. The major conclusion of the paper is that the location method has an acceptable precision even taking into consideration the high-speed train current and arc resistance. The validation of the method has been performed by laboratory tests and computer simulations with satisfactory results.

Suggested Citation

  • Carlos A. Platero & Jesús Serrano & Máximo López-Toledo & Ricardo Granizo, 2018. "Influence of High-Speed Train Power Consumption and Arc Fault Resistances on a Novel Ground Fault Location Method for 2 × 25 kV Railway Power Supply Systems," Energies, MDPI, vol. 11(6), pages 1-20, June.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:6:p:1601-:d:153229
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    References listed on IDEAS

    as
    1. Yimin Zhou & Guoqing Xu & Yanfeng Chen, 2012. "Fault Location in Power Electrical Traction Line System," Energies, MDPI, vol. 5(12), pages 1-17, November.
    2. Guoqing Xu & Yimin Zhou & Yanfeng Chen, 2013. "Model-Based Fault Location with Frequency Domain for Power Traction System," Energies, MDPI, vol. 6(7), pages 1-18, June.
    3. Jesús Serrano & Carlos A. Platero & Máximo López-Toledo & Ricardo Granizo, 2017. "A New Method of Ground Fault Location in 2 × 25 kV Railway Power Supply Systems," Energies, MDPI, vol. 10(3), pages 1-14, March.
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    Cited by:

    1. 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.

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