In this paper, a new topology of magnet usage reduction for flux-reversal permanent magnet (FRPM) machines used in electric vehicles is proposed and verified by comparing the corresponding electromagnetic performances with a conventional FRPM machine. Firstly, the topology of the proposed machine as well as its working principle is introduced and studied by air-gap field modulation theory. Then, the feasible slot/pole combinations for the novel FRPM machine are investigated, taking the back electro-magnetic-force (EMF) quality, magnetization methods and unbalanced magnetic pull (UMP) into consideration. Correspondingly, in order to investigate the electromagnetic performances of the proposed FRPM machine, a comparison with the conventional FRPM machine is made, including the working harmonics, back-EMF, winding inductance, UMP and torque characteristics. Besides, in order to optimize the back-EMF and reduce the UMP, a further improved topology with PM rearrangement is investigated. Finally, two prototype machines are manufactured and tested to verify the analytical analyses.


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    Titel :

    Reduction of Magnet Usage in Flux-Reversal Permanent Magnet Machine for Electric Vehicle


    Beteiligte:
    Zhu, Xiaofeng (Autor:in) / Zhao, Guishu (Autor:in) / Ding, Shuye (Autor:in) / Hua, Wei (Autor:in)


    Erscheinungsdatum :

    28.10.2022


    Format / Umfang :

    619929 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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