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The selection of an appropriate motor for electric vehicle (EV) traction systems is a critical engineering decision that influences the overall performance, efficiency, and sustainability of electric vehicles. This paper presents an in-depth analysis of various motor types used in EV traction systems, including permanent magnet synchronous motors (PMSM), induction motors, switched reluctance motors, and synchronous reluctance motors. The study systematically evaluates these motors based on key parameters such as torque density, efficiency, cost, thermal characteristics, and control complexity. By comparing these attributes in the context of real-world operational demands of electric vehicles, the paper aims to guide engineers and designers in selecting the most suitable motor type for specific EV applications. Additionally, the paper discusses the impact of recent advances in materials science, particularly in magnet technology and power electronics, on the performance improvements of EV motors. The findings suggest that while PMSM offers high efficiency and performance, the choice of motor may vary significantly based on application-specific requirements such as range, load conditions, and cost constraints. This comprehensive overview assists stakeholders in making informed decisions about motor selection to enhance the development of more robust, efficient, and cost-effective electric vehicles.
Safa ullah (Thu,) studied this question.