Numerical analysis of AC losses in YBCO coated conductor in external magnetic field

被引：56

作者：

Ichiki, Y ^{[1
]}

Ohsaki, H ^{[1
]}

机构：

[1] Univ Tokyo, Grad Sch Frontier Sci, Dept Adv Energy, Ohsaki Lab,Bunkyo Ku, Tokyo 1130033, Japan

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2004年 / 412卷

关键词：

AC losses; YBCO coated conductor; finite element method;

D O I：

10.1016/j.physc.2004.01.122

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

For electric power applications of YBCO coated conductors, the reduction and estimation of AC losses are important issues. This paper reports numerical analysis of electromagnetic phenomena in YBCO coated conductor with particular emphasis on AC loss characteristics. FEM analysis of electromagnetic fields was carried out with strongly nonlinear E-J characteristics of superconductor, and the dependence of AC losses on angle of external magnetic field was investigated. The results indicate that the AC losses depend almost only on the perpendicular component of external magnetic field, while at a higher magnetic field the AC losses also slightly depend on the parallel component. (C) 2004 Published by Elsevier B.V.

引用

页码：1015 / 1020

页数：6

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