Pole-changing permanent magnet machines

被引：0
|
作者：
Ostovic, V [1 ]
机构：
[1] Hochsch Tech & Wirtsch Saarlandes, D-66117 Saarbrucken, Germany
来源：
CONFERENCE RECORD OF THE 2001 IEEE INDUSTRY APPLICATIONS CONFERENCE, VOLS 1-4 | 2001年
关键词：
PM machine; pole changing; remagnetization;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Electric drives in which discrete speed control is required are today equipped exclusively with squirrel cage induction motors, due to the property of a squirrel cage to have always the same number of poles as the stator winding. Conventional permanent magnet (PM) machines have a constant number of poles and can be operated from a constant frequency source only at one speed. If a PM machine is built after the principles of memory motors ill, one can change its number of poles as simple as in a squirrel cage machine. In the paper the principles of operation of a pole-changing memory motor are described, and its measured performance is analyzed and discussed.
引用
收藏
页码：2570 / 2576
页数：7
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