Abstract
A switched reluctance motor (SRM) provides the advantages of simple and robust motor structure. But in switched reluctance motors (SRMs), as the result of the double ridged structure of motor, the torque vibrations and acoustic noise are relatively higher as against the sinusoidal machines. This study intends to minimize the torque ripple of a SRM. In machine’s design, new control approaches were employed by modifying the stator and rotor pole shapes in order to minimize the torque ripple in SRM. Moreover, by observing the performance of 6/4 SRM under steady-state conditions and at constant dwell angles for fan load, torque ripple (TR) analyses were performed. The driver was simulated for current control (CC), and control of sum of squared phase currents (SPC). Fuzzy Logic Controller (FLC) was also applied on speed loop in order to minimize torque ripple, and to improve the effective torque. In MATLAB/SIMULINK environment, the results are being discussed in detail. The FLC technique provided successful results in improving the effective torque ripple of SRM. The results of simulation were verified by the experimental results.
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