Performance Comparison of Multi Phase Switched Reluctance Motors with Varying Pole Configurations and Power Ratings

Khadim Moin Siddiqui*
Periodicity:July - December'2025

Abstract

Switched Reluctance Motors (SRMs) have garnered significant attention for their robustness, efficiency, and fault- tolerant capabilities, especially in applications demanding high reliability. This study presents a comprehensive comparative analysis of 3-phase (6/4), 4-phase (8/6, 75 kW), and 5-phase (10/8, 10 kW) SRM configurations, examining the effects of varying stator and rotor pole configurations and power ratings on motor performance. The research investigates critical parameters including torque ripple, efficiency, electromagnetic flux distribution, and fault tolerance across these configurations. A 3- phase 6/4 SRM is often preferred for general applications due to its simpler structure and cost-effectiveness; however, it suffers from higher torque ripple. The 4-phase 8/6 SRM (75 kW) shows improved torque smoothness and higher power output, making it ideal for applications requiring stable high-power performance. The 5-phase 10/8 SRM (10 kW) further enhances fault tolerance and torque stability, showcasing its suitability for critical applications where uninterrupted operation is essential. MATLAB simulations were employed to model and validate the performance of each configuration under various load conditions. The findings provide valuable insights into the trade- offs associated with phase count, pole configuration, and power rating, guiding the selection of SRM configurations for specific applications. This work contributes to optimizing SRM designs by highlighting the advantages of multi-phase configurations in minimizing torque ripple, enhancing fault tolerance, and improving operational efficiency.

Keywords

Swittched Reluctance Motors (SRMs), Torque Ripple Reduction, Fault Tolerance, Phase and Pole Configurations, Multi-Phase Motor Design, Efficiency Optimization.

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