Following the global trend of carbon neutrality, green sustainable air transport becomes a
hot topic in relevant area of applied energy. Electrified air transport propulsion system …

This paper overviews high-speed permanent magnet (HSPM) machines, accounting for
stator structures, winding configurations, rotor constructions, and parasitic effects. Firstly …

This paper proposes an analytical multi-element thermal modelling method for predicting the
sleeve and magnet thermal fields for high-speed permanent magnet machines (HSPMMs) …

The impact of structural dimensions and rotor pole numbers on the load and no-load torques
of dual stator permanent magnet machine is investigated and presented in this work. Finite …

The toroidal windings can shorten the axial length of the machine, so it is widely used in
high-speed permanent magnet machine. However, under high-frequency operation, the …

As the operating temperature of the motor increases, the material properties will be seriously
affected, such as soft magnetic materials, hard magnetic materials, and winding insulation …

This article investigates the influence of stator-slot and rotor-pole combinations on torque
performances in axial modular-flux reversal permanent magnet (AM-FRPM) machines …

This paper compares the electromagnetic and mechanical performances of 2-pole slotted
and slotless high-speed permanent magnet (HSPM) motors with toroidal windings. Both …

The 6-slot/2-pole (6s/2p) permanent magnet motors with a diametrically magnetized PM
rotor are popular for high speed application. Meanwhile, toroidal winding can not only …

For high-speed permanent magnet machines (HSPMMs), the rotor retaining sleeve has a
critical effect on thermal performances. This paper presents an analytical multi-element …