Design, Development, and Experimental Results of a 30 000-R/Min One-Axis Actively Positioned Single-Drive Bearingless Motor

被引：9
|
作者：
Srichiangsa, Theeraphong [1 ]
Sugimoto, Hiroya [2 ]
Fujii, Yusuke [1 ]
Chiba, Akira [1 ]
机构：
[1] Tokyo Inst Technol, Dept Elect & Elect Engn, Tokyo 1528550, Japan
[2] Tokyo Denki Univ, Dept Elect & Elect Engn, Tokyo 1208551, Japan
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2021年 / 57卷 / 06期
关键词：
Permanent magnet motors; Rotors; Magnetic levitation; Air gaps; Stator windings; Force; Stator cores; Bearingless motor; high-speed motor; one-degree-of-freedom; permanent magnet machines; single-drive; MAGNETIC BEARING; PRINCIPLE;
D O I：
10.1109/TIA.2021.3090736
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel structure design and experimental results of a one-axis actively positioned single-drive bearingless motor is proposed. This new single-drive bearingless motor is proposed by adapting the 4-pole 2-layer permanent magnet rotor and a wide air-gap length for high rotational speed operation. It is found that the rotational speed of 30 000 r/min is experimentally possible, although around 16 000 r/min top speeds were reported in the literature in only one-axis active magnetic suspension. In the machine design stage, it is shown that a wide gap length provides an efficiency improvement with a reduced risk of possible radial position touchdown.
引用
收藏
页码：6783 / 6791
页数：9
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