This paper presents the design, simulation and measurement of a synchronous motor prototype with an external rotor using permanent magnets. The motor was optimized for high-torque, in-wheel operation. Based on geometric dimensions, a 3D solid model was created. The electromagnetic design was calculated in ANSYS/RMxprt. A cross-section with graphical presentation of magnetic induction in particular parts of the electromagnetic circuits and the simulated and measured characteristics of the motor are shown.
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