Winding currents contain lots of harmonics if motors rotate at a high speed. This paper
addresses two key challenges on the harmonic suppression: 1) using the multiple …

Fractional-slot concentrated windings (FSCWs) are an attractive option for the design of
synchronous permanent-magnet machines. It is commonly assumed in the existing literature …

In this article, a novel five-phase fractional-slot concentrated winding (FSCW) with 20-slot/22-
pole is presented. It benefits not only the advantages of conventional FSCW but also weak …

Accurate rotor position is necessary for high-performance control of a permanent-magnet
synchronous motor. Compared with the methods using position sensors to detect rotor …

Recently, fractional-slot windings with two-slot coil pitch are receiving more and more
attention due to their lower space harmonic contents in stator magnetomotive force (MMF) …

The need for higher efficiency motors is becoming more relevant due to recent policies
adopted in most advanced economies, which are adopting new minimum energy …

This paper proposed a dead-time compensation method with fractional-order proportional
integral (FOPI) error voltage control. The disturbance voltages caused by the power devices' …

An improved winding function theory (IWFT) is presented in this article, which can be also
used to calculate the self-inductance and mutual inductance of large air-gap electric …

As a metric for measuring the combined space harmonic content of electric machine winding
magnetomotive force (MMF), the winding total harmonic distortion (THD) is defined with an …

Research into electric machine windings with reduced magnetomotive force (MMF) space
harmonic content has a long history. However, attention has often been confined to lower …