Analysis of Traction Motor Torque-Speed Characteristics for Hybrid and Battery EV Powertrains: Implications for Energy Efficiency and Material Optimisation
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Abstract
This paper discusses methodologies for determining the power requirements of electric motors, specifically using the permanent magnet synchronous motor as a case study for electric vehicles. The vehicle dynamics is analysed to select an electric motor capable of delivering the required propulsion power and torque. Accurate power calculations are used to define the key characteristics motor, including torque, speed, and the corresponding power-speed curves. Consequently, to ensure that From this dynamic characteristic of the vehicle, the findings confirm that the Brushless Permanent Magnet Synchronous Motor (PMSM) meets all necessary tractive performance criteria required.
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