What is it about?

This paper examines the influence of some cogging torque reduction methods on the magnetic flux density waveform, torque production and torque ripple of surface mounted PMSMs.

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Why is it important?

Torque ripple reduction should not be considered alone, but the mutual effect of each method on the overall performance of the motor should be taken into account. A good example is the case with magnet pole shaping, which results in great torque ripple reduction, but also has negative effect on the air-gap flux and machine torque production.

Perspectives

Most of the papers in this field discuss torque ripple of PMSM with concentrated "tooth" winding. I hope this article gives an an additional view to the problem.

Dr. George T. Todorov
TU of Sofia

Read the Original

This page is a summary of: Torque ripple suppression in surface mounted PMSMs with distributed windings, June 2017, Institute of Electrical & Electronics Engineers (IEEE),
DOI: 10.1109/elma.2017.7955448.
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