Analysis and experimental validation of an HTS linear synchronous propulsion prototype with HTS magnetic suspension

被引：12
作者：
Jin, Jianxun [1 ]
Zheng, Luhai [1 ]
Guo, Youguang [2 ]
Xu, Wei [2 ]
Zhu, Jianguo [2 ]
机构：
[1] Univ Elect Sci & Technol China, Ctr Appl Superconduct & Elect Engn, Chengdu 611731, Peoples R China
[2] Univ Technol Sydney, Fac Engn & Informat Technol, Sydney, NSW 2007, Australia
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2011年 / 471卷 / 17-18期
基金：
国家高技术研究发展计划(863计划);
关键词：
High temperature superconductors; HIS linear synchronous motor; HTS magnetic levitation; Pulse magnetization; Field-cooled magnetization; TRIAL PRODUCTION; ACTUATOR; PROJECT; DESIGN; FORCE;
D O I：
10.1016/j.physc.2011.05.250
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A high temperature superconducting (FITS) linear propulsion system composed of a single-sided HIS linear synchronous motor (HTSLSM) in its middle and HIS magnetic suspension sub-systems on both sides has been developed. The HTSLSM uses an HIS bulk magnet array on the moving secondary, and the field-trapped characteristics of the HIS bulk using different magnetized methods have been measured and compared to identify their magnetization capability. In order to generate a large levitation force for the system, three different types of permanent magnet guideways (PMGs) have been numerically analyzed and experimentally verified to obtain an optimal PMG. Based on comprehensive experimental prototype tests, the results show that the HIS linear propulsion system can run with stable magnetic suspension having a constant air-gap length, and the thrust characteristics versus the exciting current, working frequency and the air-gap length have also been obtained. This work forms the basis for developing a practical HIS linear propulsion system by using HIS bulks both for propulsion and suspension. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：520 / 527
页数：8
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