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Comparative Analysis of Fault-Tolerant Dual-Channel BLDC and SR Motors

Author

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  • M. Korkosz

    (The Faculty of Electrical and Computer Engineering, Rzeszow University of Technology, Al. Postancow Warszawy 12, 35-959 Rzeszow, Poland)

  • P. Bogusz

    (The Faculty of Electrical and Computer Engineering, Rzeszow University of Technology, Al. Postancow Warszawy 12, 35-959 Rzeszow, Poland)

  • J. Prokop

    (The Faculty of Electrical and Computer Engineering, Rzeszow University of Technology, Al. Postancow Warszawy 12, 35-959 Rzeszow, Poland)

  • B. Pakla

    (The Faculty of Electrical and Computer Engineering, Rzeszow University of Technology, Al. Postancow Warszawy 12, 35-959 Rzeszow, Poland)

  • G. Podskarbi

    (The Faculty of Electrical and Computer Engineering, Rzeszow University of Technology, Al. Postancow Warszawy 12, 35-959 Rzeszow, Poland)

Abstract

This article presents the results of a comparative analysis of two electronically commutated brushless direct current machines intended for fault-tolerant drives. Two machines designed by the authors were compared: a 12/14 dual-channel brushless direct current motor (DCBLDCM) with permanent magnets and a 12/8 dual-channel switched reluctance motor (DCSRM). Information is provided here on the winding configuration, the parameters, and the power converters of both machines. We developed mathematical models of the DCBLDCM and DCSRM which accounted for the nonlinearity of their magnetization characteristics in dual-channel operation (DCO) and single-channel operation (SCO) modes. The static torque characteristics and flux characteristics of both machines were compared for operation in DCO and SCO modes. The waveforms of the current and the electromagnetic torque are presented for DCO and SCO operating conditions. For DCO mode, an analysis of the behavior of both machines under fault conditions (i.e., asymmetrical control, shorted coil, and open phase) was performed. The two designs were compared, and their strengths and weaknesses were indicated.

Suggested Citation

  • M. Korkosz & P. Bogusz & J. Prokop & B. Pakla & G. Podskarbi, 2019. "Comparative Analysis of Fault-Tolerant Dual-Channel BLDC and SR Motors," Energies, MDPI, vol. 12(13), pages 1-29, June.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:13:p:2489-:d:243672
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    Cited by:

    1. Tomasz Binkowski, 2021. "Fuzzy Logic Based Synchronization Method for Solar Powered High Frequency On-Board Grid," Energies, MDPI, vol. 14(24), pages 1-19, December.

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