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

页码：920 / 923

页数：4

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