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An Analysis of Asymmetrical and Open-Phase Modes in a Symmetrical Two-Channel Induction Machine with Consideration of Spatial Harmonics

Author

Listed:
  • Andriy Kutsyk

    (Faculty of Electrical and Computer Engineering, Rzeszow University of Technology, 35-959 Rzeszow, Poland
    Institute of Power Engineering and Control System, Lviv Polytechnic National University, 79-013 Lviv, Ukraine)

  • Mariusz Korkosz

    (Faculty of Electrical and Computer Engineering, Rzeszow University of Technology, 35-959 Rzeszow, Poland)

  • Piotr Bogusz

    (Faculty of Electrical and Computer Engineering, Rzeszow University of Technology, 35-959 Rzeszow, Poland)

  • Mykola Semeniuk

    (Institute of Power Engineering and Control System, Lviv Polytechnic National University, 79-013 Lviv, Ukraine)

  • Andriy Lozynskyy

    (Institute of Power Engineering and Control System, Lviv Polytechnic National University, 79-013 Lviv, Ukraine
    Faculty of Transport, Electrical Engineering and Computer Science, University of Technology and Humanities in Radom, 26-600 Radom, Poland)

Abstract

This paper focuses on analyzing asymmetric and open-phase fault modes in symmetrical two-channel six-phase induction machines while considering the spatial harmonics of the electromagnetic field in the air gap. Under sinusoidal power supply, the magnetomotive force exhibits high-order spatial harmonics, which arise due to the winding design. The interaction between these spatial harmonics and the first-time harmonic of the power supply results in the presence of high-order harmonics in the current and electromagnetic torque. The harmonic content of the currents and torque under asymmetric and open-phase operation mode while taking into account spatial harmonics is analyzed. It is shown that in asymmetrical modes, in addition to the 5th, 7th, 11th, and 13th higher harmonics found in symmetrical modes, harmonics in multiples of the 3rd are introduced into the stator winding currents. As for the composition of the electromagnetic torque in asymmetrical modes, all even harmonics are present, in addition to the 6th and 12th harmonics that are characteristic of symmetrical modes. A mathematical model of the six-phase induction machine has been developed using the average voltages within the integration step method. Its adequacy was verified by comparing the simulation results with the experimental results obtained from the developed prototype.

Suggested Citation

  • Andriy Kutsyk & Mariusz Korkosz & Piotr Bogusz & Mykola Semeniuk & Andriy Lozynskyy, 2024. "An Analysis of Asymmetrical and Open-Phase Modes in a Symmetrical Two-Channel Induction Machine with Consideration of Spatial Harmonics," Energies, MDPI, vol. 17(4), pages 1-20, February.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:4:p:870-:d:1338238
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    References listed on IDEAS

    as
    1. Andriy Kutsyk & Mariusz Korkosz & Mykola Semeniuk & Marek Nowak, 2023. "An Influence of Spatial Harmonics on an Electromagnetic Torque of a Symmetrical Six-Phase Induction Machine," Energies, MDPI, vol. 16(9), pages 1-16, April.
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