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Reducing the Power Consumption of the Electrodynamic Suspension Levitation System by Changing the Span of the Horizontal Magnet in the Halbach Array

Author

Listed:
  • Tomasz Kublin

    (Faculty of Electrical Engineering, Warsaw University of Technology, 75, Koszykowa St., 00-662 Warszawa, Poland)

  • Lech Grzesiak

    (Faculty of Electrical Engineering, Warsaw University of Technology, 75, Koszykowa St., 00-662 Warszawa, Poland)

  • Paweł Radziszewski

    (Hyper Poland Electro S.A, 03-828 Warszawa, Poland)

  • Marcin Nikoniuk

    (Faculty of Transport, Warsaw University of Technology, 75, Koszykowa St., 00-662 Warszawa, Poland)

  • Łukasz Ordyszewski

    (Faculty of Electrical Engineering, Warsaw University of Technology, 75, Koszykowa St., 00-662 Warszawa, Poland)

Abstract

In high-speed magnetic railways, it is necessary to create the forces that lift the train. This effect is achieved by using active (EMS) or passive (EDS) magnetic systems. In a passive system, suspension systems with permanent magnets arranged in a Halbach array can be used. In this paper, an original Halbach array with various alternately arranged horizontally and vertically magnetized magnets is proposed. Correctly selected geometry allows us to obtain higher values of levitation forces and lower braking forces in relation to a system with identical horizontally and vertically magnetized elements. The effect of such a shape of the magnetic arrangement is the reduction of instantaneous power consumption while traveling due to the occurrence of lower braking forces. In order to perform a comparative analysis of the various geometries of the Halbach array, a simulation model was developed in the ANSYS Maxwell program. The performed calculations made it possible to determine the optimal dimensions of horizontally and vertically magnetized elements. The results of calculations of instantaneous power savings for various cruising speeds are also included.

Suggested Citation

  • Tomasz Kublin & Lech Grzesiak & Paweł Radziszewski & Marcin Nikoniuk & Łukasz Ordyszewski, 2021. "Reducing the Power Consumption of the Electrodynamic Suspension Levitation System by Changing the Span of the Horizontal Magnet in the Halbach Array," Energies, MDPI, vol. 14(20), pages 1-11, October.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:20:p:6549-:d:654249
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    References listed on IDEAS

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    1. Eric Chaidez & Shankar P. Bhattacharyya & Adonios N. Karpetis, 2019. "Levitation Methods for Use in the Hyperloop High-Speed Transportation System," Energies, MDPI, vol. 12(21), pages 1-18, November.
    2. Jungyoul Lim & Chang-Young Lee & Jin-Ho Lee & Wonhee You & Kwan-Sup Lee & Suyong Choi, 2020. "Design Model of Null-Flux Coil Electrodynamic Suspension for the Hyperloop," Energies, MDPI, vol. 13(19), pages 1-21, September.
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