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A Supercapacitor-Based Method to Mitigate Overvoltage and Recycle the Energy of Pantograph Arcing in the High Speed Railway

Author

Listed:
  • Cuidong Xu

    (Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China)

  • Zhu Chen

    (Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China)

  • Ka Wai Eric Cheng

    (Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China)

  • Xiaolin Wang

    (Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China)

  • Ho Fai Ho

    (Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China)

Abstract

The pantograph arcing phenomenon may shorten the service life of a pantograph and even destroy onboard devices and instruments, due to the irregular motions of the train and the intermittent line–pantograph disconnection. This paper points out that abrupt inductive energy from the magnetizing inductance of the traction transformer can lead to an electromagnetic transient process with unexpected overvoltage across it. Further, a supercapacitor-based power electronic system is proposed, which can not only redirect the inductive energy to the supercapacitor pack through bidirectional converters but also mitigate the overvoltage across the main electrical equipment when pantograph arcing occurs. Simulation results show the overvoltage could be reduced and the energy stored in the supercapacitor which could also be used to provide energy for sensors or other devices.

Suggested Citation

  • Cuidong Xu & Zhu Chen & Ka Wai Eric Cheng & Xiaolin Wang & Ho Fai Ho, 2019. "A Supercapacitor-Based Method to Mitigate Overvoltage and Recycle the Energy of Pantograph Arcing in the High Speed Railway," Energies, MDPI, vol. 12(7), pages 1-12, March.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:7:p:1214-:d:218037
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    Citations

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    Cited by:

    1. Petronilla Fragiacomo & Francesco Piraino & Matteo Genovese & Lorenzo Flaccomio Nardi Dei & Daria Donati & Michele Vincenzo Migliarese Caputi & Domenico Borello, 2022. "Sizing and Performance Analysis of Hydrogen- and Battery-Based Powertrains, Integrated into a Passenger Train for a Regional Track, Located in Calabria (Italy)," Energies, MDPI, vol. 15(16), pages 1-20, August.
    2. Gustavo Navarro & Jorge Torres & Marcos Blanco & Jorge Nájera & Miguel Santos-Herran & Marcos Lafoz, 2021. "Present and Future of Supercapacitor Technology Applied to Powertrains, Renewable Generation and Grid Connection Applications," Energies, MDPI, vol. 14(11), pages 1-29, May.

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