Abstract
This paper presents a two-dimensional (2-D) exact subdomain technique in polar coordinates considering the iron relative permeability in 6/4 conventional switched reluctance machine (SRM) supplied by sinusoidal waveform of current. The general solutions of magnetic vector potential are obtained by applying the interfaces conditions (ICs) in both directions (i.e., r- and a edge ICs). The magnetic field is used to predict the iron core losses by using an analytical approach based on the Bertotti’s model and the flux variation locus (FVL). Finally, the electromagnetic performances results have been performed and compared with the 2-D finite-element (FE) method (FEM). The comparisons with FEM show good results of the proposed approach.
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