In electric vehicle applications, the torque density of electric motor plays an
important role in improving the performance of the vehicle. The main
objective of this paper is to investigate a possible method for improving the
torque density of a permanent magnet synchronous motor used in electric
vehicles. At the same time, other machine specifications were taken into
account and kept within the acceptable level. This was achieved by
incorporating performance enhancement strategies such as investigating of
high-efficient winding topology for the motor’s stator to give the highest
winding factor and optimizing the machine dimensions to achieve the best
performance. MagNet 7.4.1 software package with static and transient finite
element method solver was used for implementing the proposed design. The
results showed a significant improvement in the torque density with keeping
the overall machine performance.

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