Disk-shaped superconducting rotor under a rotating magnetic field:: Speed dependence

被引：13
|
作者：
Alvarez, A [1 ]
Suárez, P
Cáceres, D
Cordero, E
Ceballos, JM
Pérez, B
机构：
[1] Univ Extremadura, Dept Elect Engn, E-06071 Badajoz, Spain
[2] Univ Extremadura, Dept Appl Math, E-06071 Badajoz, Spain
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2005年 / 15卷 / 02期
关键词：
pull-out torque; superconducting rotating machines; YBCO bulks;
D O I：
10.1109/TASC.2005.849605
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：
As part of the design of small axial-flux induction motors using disk-shaped rotors made from YBCO bulks, in previous work we studied the behavior of such disks under a rotating 2-pole magnetic field and gave an explanation of the results. That work yields information on such internal parameters as pinning forces and pull-out torque, and good estimates of the damping and Magnus coefficients. As in conventional motors, one expects to find dependence of these parameters on the magnetic field speed-the synchronous speed. In the present work, this dependence is studied and the previous model is improved.
引用
收藏
页码：2174 / 2177
页数：4
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