Levitation Force Transition of High-Tc Superconducting Bulks in Varying External Magnetic Field

被引：7
|
作者：
Liu, Lu [1 ]
Wang, Jiasu [1 ]
Deng, Zigang [1 ]
Li, Jing [1 ]
Zheng, Jun [1 ]
Ma, Guangtong [1 ]
Wang, Suyu [1 ]
机构：
[1] ASCLab, Chengdu 610031, Peoples R China
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2010年 / 20卷 / 03期
关键词：
Dynamic levitation force; energy loss; high temperature superconducting maglev; permanent magnetic guideway; thermal equilibrium; MAGLEV VEHICLE MODEL; HTS BULK;
D O I：
10.1109/TASC.2010.2041645
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：
In practical application of a High-Tc Superconducting (HTS) maglev vehicle, the onboard HTS bulks are inevitably exposed to a varying inhomogeneous field due to present processing and assembling technology of the permanent magnetic guideway (PMG). To explore the influence on the levitation forces of YBa(2)Cu(3)O(7-x) bulk samples in such changing external magnetic field due to different traveling speeds, we experimentally investigated the general transition of said levitation force under such varying external field simulated by a spinning circular PMG. The force waves attenuated in accordance to the varying of the applied field dependent on the PMG's rotating speed: attenuating when speeding up and rising slightly when speeding down. This observed phenomenon is of great importance in design and application of the HTS maglev system.
引用
收藏
页码：920 / 923
页数：4
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