Analysis of magnetization characteristics of HTS bulk rotor in a rotating magnetic field

被引：1
|
作者：
Nakamura, T [1 ]
Jung, HJ [1 ]
Tanaka, N [1 ]
Muta, I [1 ]
Fukui, K [1 ]
机构：
[1] Kyoto Univ, Grad Sch Engn, Dept Elect Engn, Sakyo Ku, Kyoto 6068501, Japan
来源：
COMPUTER ENGINEERING IN APPLIED ELECTROMAGNETISM | 2005年
关键词：
D O I：
10.1007/1-4020-3169-6_30
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：
Magnetization characteristics of Bi-2223 superconducting bulk disk in a rotating magnetic field are analyzed with the use of 3-D finite element method. The disk is utilized as a rotor for an axialtype superconducting motor. Power-law approximation as well as Kim model is introduced in order to express the constitutive relation between electric field vs. current density for the analysis. It is shown that the analysis results of the hysteresis loops agree semi-quantitatively with the measurements. The dependency of the applied field amplitude upon the magnetization characteristics and its relation to the standstill torque will also be discussed based on the analysis.
引用
收藏
页码：177 / 182
页数：6
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