Analysis of eddy currents in laminated silicon steel sheets of permanent magnet-type MRI by 3D finite element method using multinode technique

被引：2

作者：

Kawase, Y ^{[1
]}

Yamaguchi, T

Okayasu, R

Iwashita, K

Aoki, M

Tsuzaki, T

机构：

[1] Gifu Univ, Gifu, Japan

[2] Sumitomo Special Met Co Japan, Tokyo, Japan

来源：

ELECTRICAL ENGINEERING IN JAPAN | 2006年 / 156卷 / 01期

关键词：

multinode technique; gap element; laminated silicon steel sheet; finite element method; eddy current;

D O I：

10.1002/eej.20208

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：

We developed a method, called the multinode technique, that can take into account any electrical isolation of conductors using the multinodes of the electric scalar potentials. The eddy currents in the laminated silicon steel sheets can be calculated using this method without the mesh of the interlaminar air gap. It is quantitatively clarified that the eddy currents in the laminated silicon steel sheets in a permanent magnet-type MRI system have effects on the time variations of the flux distributions. (C) 2006 Wiley Periodicals, Inc.

引用

页码：61 / 69

页数：9

共 27 条

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