基于精确磁路的新型混合型轴向-径向磁悬浮轴承研究

doi:10.19595/j.cnki.1000-6753.tces.200029

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Abstract This paper proposes a structure of solid homo-polar axial-radial magnetic bearing, which has the advantages of uniform magnetic field distribution and small axial space. Considering the characteristics of this new hybrid axial-radial magnetic bearing, such as compact structure and complex magnetic field distribution, an accurate magnetic circuit model considering magnetic flux leakage was established combined with the two-dimensional finite element simulation results. According to the magnetic circuit model, the magnetic density in air, stiffness and bearing capacity of the structure were calculated. The simulation results are basically consistent with the calculation results. It is shown that the rotor can achieve stable suspension at high speed, which verifies the feasibility of the structure.

Key words： Hybrid axial-radial magnetic bearing equivalent magnetic circuit leakage magnetic field finite element

Received: 07 January 2020

PACS:

TH133.3

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	Articles by authors
	Yu Chunmin
	Deng Zhiquan
	Mei Lei
	Pang Gucai

Cite this article:

Yu Chunmin,Deng Zhiquan,Mei Lei等. Research of New Hybrid Axial-Radial Magnetic Bearing Based on Accurate Magnetic Circuit[J]. Transactions of China Electrotechnical Society, 2021, 36(6): 1219-1228.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.200029 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I6/1219

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