Winding Design Method by Optimization of MMF harmonic content

Magneto Motive Force is an important quantity to analyze winding harmonic effect. Indeed, the latter is directly linked to that of the air gap magnetic flux density and thus to the torque ripples, vibration and then noise. This paper proposes to reduce the MMF harmonic content by means of optimization process using mono-objective or multi-objective algorithms with discrete and continuous variables. To this aim, optimization algorithm is coupled with an analytical tool which allows quickly calculate the MMF harmonic content from winding parameters. A winding optimization is proposed to show the use of this method.