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Analysis and characterization of switched reluctance motors: Part I ynamic, static, and frequency spectrum analyses

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2 Author(s)
Srinivas, K.N. ; Dept. Electr. & Electron. Eng., Crescent Eng. Coll., Chennai, India ; Arumugam, R.

This paper consists of three parts. Section I explores two software applications for modeling and simulating the dynamic characteristics of switched reluctance motors (SRMs). The software applications are the electromechanical structure system (EMSS), which is a tool within the proprietary Maxwell SPICE environment, and power system computer-aided design (PSCAD). The major parameter of an SRM, the nonlinear winding inductance, which determines the dynamic torque, is individually modeled for use with these applications. Simulation of the dynamic torque and the speed for any load is discussed. Section II presents a new stator geometry for SRMs that improves the torque profile. In the new geometry, pole shoes are affixed to the stator poles. The paper discusses a sensitivity study of the torque profile using a two-dimensional finite-element field simulation. Section III presents a frequency spectrum analysis of torque profile using the fast Fourier transform (FFT) capability of MATLAB. Salient features of this analysis for torque profile of SRM and the results of simulation are presented. Section IV concludes the paper.

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Magnetics, IEEE Transactions on  (Volume:41 ,  Issue: 4 )