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Due to the increasing requirement of high speed motor, bearingless motor has become more and more fascinated to scientists and technicians. Conventionally, two sets of windings are involved for torque and suspension force respectively. Whereas, in this paper, using the concept of multiple control freedom in multiphase motor, an innovative 5-phase bearingless machine with a single set of windings is...
This paper investigates effects of rotor eccentric radial displacements on magnetic field distribution, winding inductances, radial force and torque of BSRM. Magnetic field distributions of BSRM with different displacements of rotor eccentricity are calculated by 2-D finite element analysis. Then inductances of main and radial force windings, radial force and torque can be obtained, respectively....
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