As one of the most competitive axial-flux permanent magnet machine (AFPMM) topologies, the dual-rotor modular-stator construction of the yokeless and segmented armature (YASA) features extreme compactness and significant power and torque densities. The conventional surface-mounted permanent magnet (SPM) rotor used in YASA machines makes it challenging to satisfy the requirements of various scenarios. This article proposes a novel AFPMM with the modular spoke-type permanent magnet (AFMSTPM) rotor combined with the segmented stator structure. The air-gap flux density is calculated by the analytical model based on the simple magnetic equivalent circuit (MEC) and the relative air-gap permeance mapping methods. The influences of critical design parameters on the no-load and load conditions of the AFMSTPM are studied using the 3-D finite-element method. By comparing the AFMSTPM machine with the YASA-SPM machine, the advantages of the proposed machine with respect to PM eddy-current loss, PM irreversible demagnetization, and constant power speed range (CPSR) are revealed. A prototype machine was manufactured and tested to validate the predictions of the analytical and finite-element method (FEM) results.


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    Titel :

    Design and Analysis of Axial-Flux Modular Spoke-Type Permanent Magnet Machines With Segmented Stators for Traction Applications


    Beteiligte:
    Jia, Lun (Autor:in) / Lin, Mingyao (Autor:in) / Lin, Keman (Autor:in) / Le, Wei (Autor:in) / Yang, Anchen (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.06.2024


    Format / Umfang :

    3125074 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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