Optimizing the shape of the pole tips of a single-pole synchronous machine

The article proposes an approach for determining the optimal shape of the pole tips of a salient-pole synchronous machine with electromagnetic excitation, which can be used to ensure a sinusoidal distribution of magnetic induction in the air gap of the machine. In order to analyze the magnetic circuit of an electric machine, a rectangular magnetic circuit is considered, which is transformed using the conformal mapping method into a machine magnetic circuit sector for a pair of poles. As an example, the optimization of the pole tips of a four-pole electrical machine is performed. The magnetic field of such an electric machine is calculated in the FEMM software package, and the distribution curve of the normal component of magnetic induction in the air gap is analyzed.

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