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Electrodynamics of Power Losses in the Devices of Inter-Substation Zones of AC Electric Traction Systems

Author

Listed:
  • Anatolii Nikitenko

    (Division of Traction and Electrical Power Economics, Electrical Power Engineering Institute, Warsaw University of Technology, Koszykowa St. 75, 00-662 Warsaw, Poland)

  • Mykola Kostin

    (Department of Electrical Engineering and Electromechanics, Ukrainian State University of Science and Technologies, Lazaryana St. 2, 49-010 Dnipro, Ukraine)

  • Tetiana Mishchenko

    (Department of Intelligent Power Supply Systems, Ukrainian State University of Science and Technologies, Lazaryana St. 2, 49-010 Dnipro, Ukraine)

  • Oksana Hoholyuk

    (Department of Theoretical Electrical Engineering, Lviv Polytechnic National University, Bandery St. 12, 79-013 Lviv, Ukraine)

Abstract

This article presents a new method for the estimation of active power losses based on a “field” approach, i.e., on the theory of the electromagnetic field and the theory of propagation of electromagnetic waves in a dielectric medium. Electromagnetic waves are assumed to transmit energy from the traction substation to electric rolling stock through the airspace of the inter-substation zone (i.e., not through the wires of the traction network) and meet electrically conductive surfaces on their way. The waves are partially reflected from the surfaces and partially penetrate them, thus creating thermal losses, the determination of which is the main task of this article. The analytical expressions for specific losses of active power are obtained by solving the system of Maxwell’s equations. Calculations of specific power losses in the catenary, rails, roofs, and bottoms of carriages and electric locomotives are performed. Power losses in carriages and electric locomotives are found to be at least 7%. A comparative assessment of the magnitude of total power losses of different types obtained by the “field” and “circuit” approaches is provided, which has established that “conditional” losses correspond to losses in rails, train carriages, and electric locomotives.

Suggested Citation

  • Anatolii Nikitenko & Mykola Kostin & Tetiana Mishchenko & Oksana Hoholyuk, 2022. "Electrodynamics of Power Losses in the Devices of Inter-Substation Zones of AC Electric Traction Systems," Energies, MDPI, vol. 15(13), pages 1-18, June.
  • Handle: RePEc:gam:jeners:v:15:y:2022:i:13:p:4552-:d:844760
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    References listed on IDEAS

    as
    1. Mykola Kostin & Anatolii Nikitenko & Tetiana Mishchenko & Lyudmila Shumikhina, 2021. "Electrodynamics of Reactive Power in the Space of Inter-Substation Zones of AC Electrified Railway Line," Energies, MDPI, vol. 14(12), pages 1-19, June.
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    Cited by:

    1. Hwa-Dong Liu & Guo-Jyun Gao & Shiue-Der Lu & Yi-Hsuan Hung, 2022. "A Novel LCOT Control Strategy for Self-Driving Electric Mobile Robots," Energies, MDPI, vol. 15(23), pages 1-18, December.
    2. 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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