Air-Gap Magnetic Field Optimization to Reduce Losses in High Speed Bearingless Permanent Magnet Synchronous Motor

Tao Zhang; Hong Yun Jia; Hui Ping Zhang; Jian Xiang Ji

doi:10.4028/www.scientific.net/AMM.387.360

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 387Air-Gap Magnetic Field Optimization to Reduce...

Air-Gap Magnetic Field Optimization to Reduce Losses in High Speed Bearingless Permanent Magnet Synchronous Motor

Abstract:

In this paper, the high speed motor hybrids with a radial-axial 3 degree of freedom hybrid magnetic bearing unit and BPMSM unit is proposed. The radial suspension force and magnetic field distributions with different magnetized mode are calculated. The losses are calculated and compared using time-stepping finite element method. The research results have shown that the high-speed BPMSM with Halbach array permanent magnet rotor has sinusoidal air-gap magnetic field, minimum losses.

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Periodical:

Applied Mechanics and Materials (Volume 387)

Pages:

360-364

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.387.360

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Online since:

August 2013

Authors:

Tao Zhang, Hong Yun Jia, Hui Ping Zhang, Jian Xiang Ji

Keywords:

Bearingless Motor, High Speed Motor, Loss, Permanent Magnet Synchronous Motor, Time-Stepping Finite Element Method

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