Force Calculation in 3-D Magnetic Equivalent Circuit Networks With a Maxwell, Stress Tensor

被引：45
|
作者：
Amrhein, Marco [1 ]
Krein, Philip T. [1 ]
机构：
[1] Univ Illinois, Grainger Ctr Elect Machinery & Electromech, Dept Elect & Comp Engn, Urbana, IL 61801 USA
来源：
IEEE TRANSACTIONS ON ENERGY CONVERSION | 2009年 / 24卷 / 03期
关键词：
3-D magnetic equivalent circuits (MECs); electromagnet force calculation; Maxwell stress tensor (MST); modeling of electromechanical devices; virtual work method (VWM);
D O I：
10.1109/TEC.2009.2016142
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：
Magnetic equivalent circuit (MEC) models are increasingly valuable for analysis and design of electromechanical devices, particularly electrical machines, because of their moderate computational effort and reasonable accuracy. Force and torque calculations in prior MEC implementations are almost exclusively based on the virtual work method (VWM) adapted to the specific device model. But VWM does not easily extend to A general MEC modeling approach. In this paper, the more direct Maxwell stress tensor (MST) method is applied to a general 3-13 MEC modeling framework. MST theory and implementation are presented. Its application is discussed with the example of an electromagnet. Results are compared to both measurements and analytical and finite-element models.
引用
收藏
页码：587 / 593
页数：7
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