Dynamic Simulation of High Temperature Superconductors Above a Spinning Circular Permanent Magnetic Guideway

被引：10
作者：
Liu, L. [1 ,2 ]
Wang, J. S. [1 ,2 ]
Deng, Z. G. [1 ,2 ]
Wang, S. Y. [1 ,2 ]
Zheng, J. [1 ,2 ]
Li, J. [1 ,2 ]
机构：
[1] SW Jiaotong Univ, Appl Superconduct Lab, Chengdu 610031, Peoples R China
[2] Natl Lab Rail Transit, Chengdu 610031, Peoples R China
来源：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2010年 / 23卷 / 05期
基金：
国家高技术研究发展计划(863计划);
关键词：
High temperature superconducting maglev; Dynamic; Levitation force; Hysteresis loss; Permanent magnetic guideway; HTS BULK; MEASUREMENT SYSTEM; FIELD;
D O I：
10.1007/s10948-010-0679-y
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Before a high temperature superconducting (HTS) magnetic levitation (Maglev) vehicle system can be fully applied and operational, the study of its dynamic characteristics is necessary. With the developed HTS Maglev dynamic measurement system (SCML-03), with a circular permanent magnet guideway (PMG) of 1.5 m in diameter, the vehicle's translational motion above a PMG can be effectively simulated with the PMG allowed to rotate freely. Levitation force measurements of a high temperature superconductor (HTSC) array of seven YBa2Cu3O7-x bulks were carried out above regular (linear) and a simulated (circular) PMG. The levitation force above a linear PMG segment and a circular PMG segment in the static state is found to be in good agreement with each other. The levitation force in the dynamic state is found to slowly attenuate since the presence of a rotating circular PMG below the HTS array is found to be analogous to the application of an AC external magnetic field.
引用
收藏
页码：597 / 599
页数：3
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