Investigation of HTS Racetrack Coil Without Turn-to-Turn Insulation for Superconducting Rotating Machines

被引：123

作者：

Kim, Young-Gyun ^{[1
]}

Hahn, Seungyong ^{[2
]}

Kim, Kwang Lok ^{[1
]}

Kwon, Oh Jun ^{[1
]}

Lee, Haigun ^{[1
]}

机构：

[1] Korea Univ, Dept Mat Sci & Engn, Seoul 136713, South Korea

[2] MIT, Francis Bitter Magnet Lab, Cambridge, MA 02139 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2012年 / 22卷 / 03期

基金：

新加坡国家研究基金会;

关键词：

No-insulation; protection-free; racetrack coil; superconducting rotating machine; PROPAGATION; STABILITY;

D O I：

10.1109/TASC.2011.2181931

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：

This paper reports a study of two HTS racetrack coils wound with GdBCO coated conductors, one without turn-to-turn insulation and the other with Nomex insulation. The coils were characterized by charge-discharge, over-current, and sudden discharge tests. Thermal and electrical characteristics of the GdBCO racetrack coil without insulation outperformed the insulated one. The test results confirmed that although the coil without insulation has a slow charging/discharging time constant, the no-insulation winding technique may enable a compact and protection-free racetrack-typed coil with enhanced mechanical integrity as well as better thermal and electrical stabilities.

引用

页数：4

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