Enhanced Torque Density of a Novel One-Axis Actively Positioned Single-Drive Bearingless Motor

被引：1

作者：

Srichiangsa, Theeraphong ^{[1
,2
]}

Oe, Rikuya ^{[1
]}

Sugimoto, Hiroya ^{[1
]}

Fujii, Yusuke ^{[1
]}

Kiyota, Kyohei ^{[1
]}

Chiba, Akira ^{[1
]}

机构：

[1] Tokyo Inst Technol, Elect & Elect Engn, Tokyo, Japan

[2] Sriracha Kasetsart Univ, Fac Engn, Sriracha Campus, Chon Buri, Thailand

来源：

2022 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2022年

关键词：

Active axial magnetic suspension force; bearingless motor; high flux density material; one-DOF; single-drive; supplementary winding; soft magnetic composite material (SMC); PRINCIPLE; DESIGN;

D O I：

10.1109/ECCE50734.2022.9947459

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A novel one-axis actively positioned single-drive bearingless motor topology with enhanced torque density is presented. The torque density is improved as follows: (i) The lower stator core was eliminated to cancel negative motor torque. (ii) The upper stator core was made of soft magnetic composite material (SMC) and integrated with supplementary windings. (iv) Wide air-gap length was also adopted to avoid radial touchdown. (iii) High residual flux density (Br) material was adapted for the rotor permanent magnets (PM). Motor torque of the proposed machine was improved up to 23% compared to the initial design.

引用

页数：6

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