An energy-based model for dynamic hysteresis

被引：3
|
作者：
Mazauric, V [1 ]
Malobertil, O
Meunier, G
Kedous-Lebouc, A
Geoffroy, O
Rebière, Y
机构：
[1] Schneider Elect, Corp Res & Dev, F-38050 Grenoble, France
[2] ENSIEG, CNRS, Lab Electrotech Grenoble, F-38402 St Martin Dheres, France
[3] CNRS, Lab Louis Neel, F-38402 Grenoble, France
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2005年 / 41卷 / 10期
关键词：
dynamic hysteresis; eddy currents; magnetic materials; transient formulations;
D O I：
10.1109/TMAG.2005.854877
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：
A new approach to face the problem of dynamic hysteresis and assess extra losses in soft magnetic materials is investigated. Thanks to a spatial averaging technique and a variational principle, a dedicated formulation is derived. It takes into account microscopic magnetization mechanisms and domain wall motion-induced Joule losses. Implementation within the finite element method is discussed, and calculations are carried out for a 2-D geometry. The model provides first-order low-pass filtering properties.
引用
收藏
页码：3766 / 3768
页数：3
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