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Short-Circuit Fault Current Modeling of a DC Light Rail System with a Wayside Energy Storage Device

Author

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  • Petru Valentin Radu

    (Electric Traction Division, Power Engineering Institute, Warsaw University of Technology, Koszykowa Street 75, 00-662 Warsaw, Poland)

  • Miroslaw Lewandowski

    (Electric Traction Division, Power Engineering Institute, Warsaw University of Technology, Koszykowa Street 75, 00-662 Warsaw, Poland)

  • Adam Szelag

    (Electric Traction Division, Power Engineering Institute, Warsaw University of Technology, Koszykowa Street 75, 00-662 Warsaw, Poland)

  • Marcin Steczek

    (Electric Traction Division, Power Engineering Institute, Warsaw University of Technology, Koszykowa Street 75, 00-662 Warsaw, Poland)

Abstract

This paper proposes a simulation model to calculate short-circuit fault currents in a DC light rail system with a wayside energy storage device. The simulation model was built in MATLAB/Simulink using the electrical information required to define a comprehensive DC traction power rail system. The short-circuit fault current results obtained from the simulation model were compared with hand calculation results obtained using EN 50123-1 guidance. The relative error was 1.02%, which validates the model. A case study was carried out for a 1500 V DC light rail system. In the case study, a method was proposed to assess the DC protection and the withstand and breaking capacity of the DC circuit breakers for maximum current and distant faults. A traction power modeling simulation was conducted for the 1500 V DC light rail system to calculate the maximum load current in the analyzed electrical sections. It is concluded that the proposed simulation model and fault methodology can be used for DC protection settings calculations and DC circuit breaker rating analysis.

Suggested Citation

  • Petru Valentin Radu & Miroslaw Lewandowski & Adam Szelag & Marcin Steczek, 2022. "Short-Circuit Fault Current Modeling of a DC Light Rail System with a Wayside Energy Storage Device," Energies, MDPI, vol. 15(10), pages 1-24, May.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:10:p:3527-:d:813457
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    References listed on IDEAS

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    1. Petru Valentin Radu & Miroslaw Lewandowski & Adam Szelag, 2020. "On-Board and Wayside Energy Storage Devices Applications in Urban Transport Systems—Case Study Analysis for Power Applications," Energies, MDPI, vol. 13(8), pages 1-29, April.
    2. Zhongbei Tian & Ning Zhao & Stuart Hillmansen & Shuai Su & Chenglin Wen, 2020. "Traction Power Substation Load Analysis with Various Train Operating Styles and Substation Fault Modes," Energies, MDPI, vol. 13(11), pages 1-18, June.
    3. Petru Valentin Radu & Adam Szelag & Marcin Steczek, 2019. "On-Board Energy Storage Devices with Supercapacitors for Metro Trains—Case Study Analysis of Application Effectiveness," Energies, MDPI, vol. 12(7), pages 1-22, April.
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    Cited by:

    1. Adam Szeląg & Mladen Nikšić, 2023. "Advances in Electric Traction System—Special Issue," Energies, MDPI, vol. 16(3), pages 1-5, January.

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