No-load tests of a 40 kW high-speed bearingless permanent magnet synchronous motor

A 40 kW high-speed bearingless permanent magnet (PM) synchronous motor with surface mounted magnets represents the focus of this paper. The rotor suspension system is composed of a bearingless unit that generates torque and suspends magnetically the non drive end (NDE) and a permanent magnet biased...

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Bibliographic Details
Main Authors: Munteanu, G, Binder, A, Schneider, T, Funieru, B
Format: Conference Proceeding
Language:English
Subjects:
bearingless motors
Extraterrestrial measurements
high-speed machines
Magnetic levitation
measurement
Permanent magnet motors
Permanent magnets
Reluctance motors
Rotors
Stator windings
Synchronous motors
Testing
Torque
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Summary:A 40 kW high-speed bearingless permanent magnet (PM) synchronous motor with surface mounted magnets represents the focus of this paper. The rotor suspension system is composed of a bearingless unit that generates torque and suspends magnetically the non drive end (NDE) and a permanent magnet biased combined axialradial magnetic bearing for the axial and radial active suspension of the drive end (DE). This drive arrangement has been tested with good performances under no-load conditions at its full speed range. Some basic theory of bearingless drives, the motor main parameters and no-load measurements of the drive and levitation system will be presented.
DOI:10.1109/SPEEDAM.2010.5544791