Abstract:Permanent magnets biased magnetic bearing is an important research content in high speed application field such as flywheel energy storage and turbo molecular pumps etc. In this paper permanent magnets biased magnetic bearing’s research status now and development in the future are expounded. Permanent magnets biased magnetic bearings are sorted as axial single degree of freedom (DOF) magnetic bearing, radial two DOF magnetic bearing, axial-radial three DOF magnetic bearing and five DOF magnetic bearing system. Their configurations are studied. Their sketch maps are presented. Their operating principles are analyzed through using magnetic circuit maps. Same type’s magnetic bearings are compared and where they can be applied is pointed out. Many permanent magnets biased magnetic bearings’ configurations are advanced. Permanent magnets biased magnetic bearings with low power consuming, simple structure and easy controlled will be a primary researching direction.
赵旭升, 邓智泉, 王晓琳, 梅磊. 永磁偏置磁轴承的研究现状及其发展[J]. 电工技术学报, 2009, 24(9): 9-20.
Zhao Xusheng, Deng Zhiquan, Wang Xiaolin, Mei Lei. Research Status and Development of Permanent Magnet Biased Magnetic Bearings. Transactions of China Electrotechnical Society, 2009, 24(9): 9-20.
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