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General Analytical Model of Dual-Modulation Permanent Magnet Vernier Machine with Halbach Arrays

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Abstract

General analytical model is proposed for dual-modulation permanent magnet vernier machines (PMVM) having consequent pole Halbach arrays at both stator slot opening and rotor slot. From the Laplace/Poisson equations of each region, the subdomain model and the solution process for the dual-modulation PMVM are analyzed. Taking 22p/12 s machines as examples, which having two-segment consequent pole Halbach arrays in both the stator and the rotor, the air gap field is obtained by solving the matrix equation. The induced electromotive force and the electromagnetic torque are calculated. The relevant finite element analysis results verify the accuracy of the analytical results. In addition, the optimization results for the Halbach arrays are also presented.

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Acknowledgements

This work was supported by Anhui Province Key Laboratory of Renewable Energy Utilization and Energy Saving, Anhui Provincial Natural Science Foundation under Grant 2008085ME179 and the 111 Project under Grant BP0719039.

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Authors and Affiliations

  1. School of Electrical Engineering and Automation, Hefei University of Technology, Hefei, 230009, China

    Youyuan Ni, Zhiwei Qiu & Benxian Xiao

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  1. Youyuan Ni
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  2. Zhiwei Qiu
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  3. Benxian Xiao
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Correspondence to Youyuan Ni.

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Ni, Y., Qiu, Z. & Xiao, B. General Analytical Model of Dual-Modulation Permanent Magnet Vernier Machine with Halbach Arrays. J. Electr. Eng. Technol. 19, 385–394 (2024). https://doi.org/10.1007/s42835-023-01527-7

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  • DOI: https://doi.org/10.1007/s42835-023-01527-7

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