Performance Analysis and Experimental Study of aHybrid Excited Axial Field FluxSwitching Permanent Magnet Machine
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(Department of Electrical Engineering, Southeast University, Nanjing 210096, China)

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    Abstract:

    An ecore hybrid excited axial field fluxswitching permanent magnet (HEAFFSPM) machine, which was suitable for electrical vehicle drive, was developed. The electromagnetic performances of a 3phase 6/10 stator/rotorpole HEAFFSPM machine, including the airgap flux density, the PM flux linkage, the back electromotive force (backEMF), the electromagnetic torque, the torquecurrent characteristics, the winding inductances, and the field regulation capacity, were thoroughly investigated based on 3D finite element method (FEM). The influences of the rotor pole shape angle and rotor pole skewing on the backEMF and cogging torque were analyzed. It showed that the backEMF could be improved and the cogging torque could be reduced with trapezoidal rotor pole shape and skewed rotor pole. A 2 kW prototype was built and tested, which validated the FEM analysis. Results showed that the HEAFFSPM machine exhibits the essentially sinusoidal phase flux linkage and backEMF, good loadcarrying capacity and flexible fluxregulation capacity.

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XU Da, LIN Mingyao, FU Xinghe, HAO Li, ZHAO Jilong. Performance Analysis and Experimental Study of aHybrid Excited Axial Field FluxSwitching Permanent Magnet Machine[J]. Electric Machines & Control Application,2017,44(11):100-105.

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  • Online: December 09,2019
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