Design Aspects for Efficiency Improvement of Switched Reluctance Motor
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University Goce Delcev Faculty of Electrical Engineering
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Faculty of Electrical Engineering, Goce Delcev University
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Ss. Cyril and Methodius University, Faculty of Electrical Engineering and Information Technologies, ul. Rugjer Boshkovikj 18, 2000 Skopje, North Macedonia
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Slovak University of Technology in Bratislava, Faculty of Electrical Engineering and Information Technology, Ilkovičova 3, 841 04 Bratislava , Slovak Republic
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Ss. Cyril and Methodius University, Faculty of Computer Science and Engineering, Rugjer Boskovikj 16, 2000 Skopje, North Macedonia
Power Electronics and Drives 2026;11(1)
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ABSTRACT
A 10-kW switched reluctance motor (SRM) is investigated with respect to key design parameters, including the number of winding turns, the stator and rotor pole-arc–to–pole-pitch ratios, and the machine axial length. The analysis is carried out by systematically varying these four parameters within predefined bounds and identifying the optimal combination that maximizes efficiency. The accuracy of the optimized motor model is validated using manufacturer catalogue data. The results illustrate the influence of each design parameter on the motor’s ef-ficiency. Finally, the transient performance is evaluated, emphasizing the importance of appropriate motor control strategies, particularly the selection of turn-on and turn-off angles and proper DC-link size for achieving the desired operating behavior.