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A general power equation for permanent magnet doubly salient electrical machine (DSEM) is developed. The new power equation reveals the relationship between the machine structure and the electromagnetic design parameters, laying a foundation for design and optimization of DSEM. Three typical DSEMs, namely doubly salient permanent magnet (DSPM) machine, flux reversal machine (FRM), and flux-switching...
This paper investigates the optimal design of a 12/10-pole flux-switching permanent magnet (FSPM) machine based on finite element analysis, including two parts. Firstly, the optimal rotor pole arc to alter the waveform of phase back EMF more sinusoidal is obtained. Secondly, the optimal dimensions of the machine, namely, stator pole width, rotor pole width, PM thickness in magnetization direction,...
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