Abstract

This paper applies the Parallel Partitioned-Rotor (PR) Switched flux PM (SFPM) machine topology to light hybrid/electric vehicles applications. The design has 12/31 stator and rotor poles combination, that is suitable for direct drive hybrid/electric vehicles. The proposed design is globally optimized for maximum average torque and minimum torque ripples based on genetic algorithm. The electromagnetic performance of the proposed design is investigated and analyzed using the time stepping 2D FEA software. It is found that the key advantages of the proposed design are high torque capability, reduced torque ripples, as well as wide speed control range.

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