On the Speed Limits of Permanent-Magnet Machines

被引:163
|
作者
Borisavljevic, Aleksandar [1 ]
Polinder, Henk [1 ]
Ferreira, Jan Abraham [1 ]
机构
[1] Delft Univ Technol, Elect Energy Convers Grp, NL-2628 CD Delft, Netherlands
关键词
High-speed machines; machine design; machine limits; mechanical stress; permanent-magnet (PM) machines; rotor dynamics; VIBRATION; SLOTLESS; LOSSES;
D O I
10.1109/TIE.2009.2030762
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Permanent-magnet (PM) machines are considered the most suitable machine type for very high speed applications. Still, due to the growing demand for the ever higher rotational speeds, PM machines are approaching their limits. The focus of this paper is the different factors that lie behind the inherent speed limitations of PM machines. The limits-thermal, elastic, and rotordynamical-are defined, classified, and correlated to basic machine parameters.
引用
收藏
页码:220 / 227
页数:8
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