High-speed machines are popular in industry due to their high power density. Permanent
synchronous machines are commonly preferred, but they rely on rare earth magnets, which …

The rotor in a solid-rotor Switched Reluctance Machine (SRM) is made from a block of
magnetic material, suitable for extreme operating conditions like high shaft temperature and …

Significant temperature rise will degrade the stability of the active magnetic bearing (AMB)
rotor system, which is an obstacle to the industrial implementation of magnetically …

In this paper, the authors present a novel approach to design a high-speed permanent
magnet synchronous generator (HS-PMSG) with a retention sleeve. The importance of the …

High-speed electric machines are special types of electric machines which aim for compact,
direct-driven high-speed applications and highly efficient operation, especially, when …

In recent years, high-speed PMSMs have gained popularity due to advancements in
materials, manufacturing, and high-switching-frequency power electronics. However, the …

Active magnetic bearings are commonly applied in high-speed rotors in the medium to high
power range to replace rolling-element or oil-film bearings. They require less maintenance …

High-speed electric machines aim for compact, direct-driven elevated speed applications
and highly efficient operation, especially when a gearbox can be avoided. The design of …

Solid rotor induction machines are still used in high-speed systems. A two-dimensional field-
circuit model based on the finite element method and the complex magnetic vector potential …

A comparison of Synchronous Reluctance Motors and Permanent Magnet Synchronous
Motors with a Direct Liquid Cooling system is given. Both solutions have been analyzed …