Performance enhancement analysis of brushless permanent magnet synchronous machine for electric vehicle Online publication date: Mon, 05-Oct-2020
by Bharathi Thangaraj; Ramesh Subramanian
International Journal of Electric and Hybrid Vehicles (IJEHV), Vol. 12, No. 3, 2020
Abstract: This paper considers brushless machine which is already existing in electric vehicle application. The main objective is to reduce the cogging torque and enhance the electromagnetic and thermal performance of brushless permanent magnet synchronous machine (BLPMSM). This can be achieved through optimised stator and rotor design by introducing notches in stator teeth as well as optimising the magnet dimensions in rotor. The electromagnetic analysis of machine is performed using transient 2D with motion solver in MagNet simulation software and the thermal analysis of machine is simulated using ThermNet software. Based on the optimisation results, proposed machine is modelled and simulated for electromagnetic and thermal analysis. Finally the proposed machine is tested with electric vehicle powertrain simulation block sets. The simulation results show that the proposed concept of notching technique along with optimised parameters can be suitable for enhancing the performance of electric vehicles.
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