Review of switched reluctance motor converters and torque ripple minimisation techniques for electric vehicle applications

Abdel-Aziz, Ali and Elgenedy, Mohamed and Williams, Barry (2024) Review of switched reluctance motor converters and torque ripple minimisation techniques for electric vehicle applications. Energies, 17 (13). 3263. ISSN 1996-1073 (https://doi.org/10.3390/en17133263)

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Abstract

This paper presents a review of the most common power converters and torque ripple minimisation approaches for switched reluctance motors (SRMs). Unlike conventional three-phase AC motors, namely squirrel cage induction motors and permanent magnet synchronous motors, which require a typical three-phase inverter for operation, the switched reluctance motor requires a different topology power converter for reliable and efficient operation. In addition, due to the non-linear, discrete nature of SRM torque production, torque ripple is severely pronounced, which is undesirable in servo applications like electric vehicles. Hence, deploying a proper torque control function for smooth and quiet motor operation is crucial. This paper sheds light over the most popular SRM power converters as well as torque ripple minimisation methods, and it suggests an optimal SRM drive topology for EV applications.

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