Abstract

This paper describes an analytical based method for iron losses estimation in switched reluctance motor (SRM), It is based on analytical flux calculation using airgap permeance. This method is compared to finite element method in term of phase inductance and static pole flux linkage calculation. FFT analysis is applied to each part of SRM flux waveforms to extract the amplitude of the flux density harmonics. Iron losses are estimated in each part of the SRM, the major part of the losses are located in the stator, Hysteresis losses are higher than Eddy current losses in the SRM. Infrared camera is used to locate experimentally the thermal signature of all losses.

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