Fractional Slot Concentrated Winding Interior Permanent Magnet

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Index Terms— Cogging torque, fractional-slot windings, magnetic forces, PM synchronous motors, torque ripple I INTRODUCTION ERMANENT magnet synchronous

Fractional-slot concentrated-winding synchronous permanent magnet machines have been gaining a lot of interest over the last few years  Background Fractional-slot windings were invented for some purpose that was totally different and limited from what they were later used for

spike slot ultimo video This paper describes in detail six-phase fractional slot windings with a winding step of two slots It discusses possible combinations of slots This lesson covers the design of stator winding with a focus on fractional slot windings It explains the concept of coil pitch, the selection of the number