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The interior permanent magnet (IPM) motor is normally designed with two or more flux barriers per pole. The form of such flux barriers has a direct impact on the torque developed by the IPM motor, including both average value and ripple. The Machaon structure is formed by flux barriers of different shape, greatly reducing the torque ripple. Their shape must be optimized based on the number of poles,...
The torque produced by a synchronous reluctance machine (including the permanent-magnet-assisted machine) is studied analytically, with the aim of pointing out the effect of the position of the flux barriers on the torque ripple. It is verified that the position of the flux-barrier ends highly influences the torque waveform. With the aim of reducing torque harmonic contents, a new strategy is proposed...
The torque produced by a synchronous reluctance machine (including the PM assisted configuration) is studied analytically, to the aim of characterizing the effect of the position of the flux-barriers on the torque ripple. It is verified that the position of the flux-barrier ends highly influences the torque waveform. To the aim of reducing the torque harmonic contents, a new strategy is proposed based...
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