A comprehensive review of different electric motors for electric vehicles application

A comprehensive review of different electric motors for electric vehicles application

March 2024 | Sreeram Krishnamoorthy, Preetha Parakkat Kesava Panikkar
This paper presents a comprehensive review of various electric motors suitable for electric vehicle (EV) applications, including DC motors, induction motors (IM), brushless DC motors (BLDC), permanent magnet synchronous motors (PMSM), and switched reluctance motors (SRM). The study evaluates these motors based on key factors such as cost, reliability, efficiency, torque, fault tolerance, excitation arrangements, and power density. The performance of an SRM-based EV is analyzed using MATLAB Simulink, focusing on parameters like speed, torque, flux, and state of charge (SOC). The review highlights that SRM drives have significant potential in EVs due to their reliable structure, fault tolerance capability, and magnet-free design. However, their application in EVs is currently limited due to torque ripples, as evident from the simulations. The paper also discusses the design factors for EVs, including power-to-weight ratio, torque-speed characteristics, efficiency, torque ripple, noise level, controller cost, motor cost, fault tolerance capability, and lifetime and reliability. The study concludes that SRMs are a viable option for EVs due to their high torque density, fault tolerance, and cost-effectiveness, despite challenges such as torque ripples and noise. The paper provides a foundation for further enhancing the performance of SRM drives for EV applications.This paper presents a comprehensive review of various electric motors suitable for electric vehicle (EV) applications, including DC motors, induction motors (IM), brushless DC motors (BLDC), permanent magnet synchronous motors (PMSM), and switched reluctance motors (SRM). The study evaluates these motors based on key factors such as cost, reliability, efficiency, torque, fault tolerance, excitation arrangements, and power density. The performance of an SRM-based EV is analyzed using MATLAB Simulink, focusing on parameters like speed, torque, flux, and state of charge (SOC). The review highlights that SRM drives have significant potential in EVs due to their reliable structure, fault tolerance capability, and magnet-free design. However, their application in EVs is currently limited due to torque ripples, as evident from the simulations. The paper also discusses the design factors for EVs, including power-to-weight ratio, torque-speed characteristics, efficiency, torque ripple, noise level, controller cost, motor cost, fault tolerance capability, and lifetime and reliability. The study concludes that SRMs are a viable option for EVs due to their high torque density, fault tolerance, and cost-effectiveness, despite challenges such as torque ripples and noise. The paper provides a foundation for further enhancing the performance of SRM drives for EV applications.
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