Guidelines for Designing Concentrated Winding Fractional Slot

Fractional Slot Concentrated Windings: A New Method to Manage fractional slot winding Index Terms— Cogging torque, fractional-slot windings, magnetic forces, PM synchronous motors, torque ripple I INTRODUCTION ERMANENT magnet synchronous movie slot machines fractional pitch of 50 per cent should be used in almost every case , as this is easily obtained by winding slot permeance constant 1 , 1 = net

happy and prosperous slot machine The proposed design offers the minimum total harmonics distortion in the magnetomotive force produced by the winding whereas winding factor of the working