In this paper, the variable flux reluctance machines (VFRMs) with double- and single-layer concentrated armature windings are comparatively analyzed. Firstly, the single-layer winding is found to have identical winding factor as double-layer winding, but significantly larger peak value of magneto-motive force, which will result in severe local saturation in cores of VFRMs with single-layer winding. Then, based on the magnetic gearing effect and finite element analysis, the electromagnetic performances of VFRMs with both winding types are compared. The VFRMs with single-layer winding are proved to be always lower in average torque and higher in torque ripple than those with double-layer winding. Overall, the double-layer armature winding is the preferable choice for the VFRMs. Finally, a 6-stator-slot/4-rotor-pole VFRM prototype with both double- and single-layer windings is tested to verify the findings.


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    Title :

    Comparative analysis of variable flux reluctance machines with double- and single-layer concentrated armature windings


    Contributors:
    Huang, L. R. (author) / Zhu, Z. Q. (author) / Feng, J. H. (author) / Guo, S. Y. (author) / Shi, J. X. (author)


    Publication date :

    2018-04-01


    Size :

    734034 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English