Basic Characteristics of an Active Thrust Magnetic Bearing With a Cylindrical Rotor Core
Basic Characteristics of an Active Thrust Magnetic Bearing With a Cylindrical Rotor Core
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DOI：
10.1109/tmag.2008.2002628
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发表时间：
2008-11-01
影响因子：
2.1
通讯作者：
Fukao, Tadashi
中科院分区：
文献类型：
--
作者：
Hijikata, Kimio;Kobayashi, Shunsuke;Fukao, Tadashi
磁悬浮轴承是一种利用电磁力悬浮转子轴而不需要机械接触和润滑的轴承，已被开发和商业化。在各类磁轴承中，带推力盘的推力磁轴承一般用于主动悬浮控制推力方向。然而，推力磁轴承的大推力盘引起了各种问题。因此，本文提出了一种新型结构的主动推力磁轴承，该磁轴承采用圆柱形转子铁心，无需大推力盘，并通过三维有限元分析和实验验证了所提出的圆柱形转子铁心推力磁轴承能够有效地产生推力。
Magnetic bearings, which can suspend rotor shafts by electromagnetic force without mechanical contacts and lubrication, have been developed and commercialized. In the various types of magnetic bearings, thrust magnetic bearings with thrust disks are generally used for active suspension control of thrust direction. However, the large thrust disks of the thrust magnetic bearings have caused various problems. Therefore, this paper proposes a novel structure of an active thrust magnetic bearing using a cylindrical rotor core without the large thrust disk, and it is shown with 3-D-FEA and experiment that the proposed thrust magnetic bearing with the cylindrical rotor core is effective in producing thrust force.