A Novel PM-Free High-Speed Linear Machine With Amorphous Primary Core

被引:15
作者
Ou, Jing [1 ]
Liu, Yingzhen [1 ]
Schiefer, Markus [1 ]
Doppelbauer, Martin [1 ]
机构
[1] Karlsruhe Inst Technol, D-76131 Karlsruhe, Germany
关键词
Amorphous core; flux-modulated; high speed; linear machine; MOTOR; PERFORMANCE;
D O I
10.1109/TMAG.2017.2701152
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper proposes a novel dc-excited flux-modulated linear machine with a new primary structure for utilizing amorphous core. Although amorphous core is regarded as a good candidate in highly efficient electric machines, and is being investigated for decades, it has not been widely used in electric machines yet. The key challenge is the difficulty in slotting. For the new structure, the difficulty in slotting is avoided. Furthermore, the proposed machine is economical and has a robust double salient structure without any permanent magnets, and both single-toothed field and armature windings are located together in the primary core. By regulating the field excitation, the machine can operate at a wide speed range. Due to the low loss of amorphous core, this machine shows high efficiency at high speed.
引用
收藏
页数:8
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