适用于超导 Wiggler 磁体的传导冷却 HTS 电流导线的设计与实验

IF 1.3 3区 物理与天体物理 Q4 PHYSICS, APPLIED
Haifeng Zhang , Guangli Kuang , Weiming Li , Junjie Li , Huaikuang Ding , Xuehua Zhang
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引用次数: 0

摘要

合肥国家同步辐射实验室 6T 超导维格勒磁体的低温系统进行了升级。在升级过程中,超导维格勒磁体原有的铜引线被两根 460A 高温超导电流引线和三根 20A 高温超导电流引线所取代,从而降低了低温系统的热负荷。根据对其载流能力和热负荷的优化设计和实验验证,五根高温超导电流引线可使用一个 GM 低温冷却器进行冷却。根据加载电流实验数据,运行电压和工作温度稳定。过流能力实验结果表明,20A 高温超导电流引线的最大加载电流可达 142A,460A 高温超导电流引线的最大加载电流可达 780A。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design and experiment of conduction cooling HTS current leads suited for superconducting Wiggler magnets

The cryogenic system of the 6T superconducting Wiggler magnets at the Hefei National Synchrotron Radiation Laboratory was upgraded. During the upgrade process, the original copper leads of the superconducting Wiggler magnets are replaced with two 460A high-temperature superconducting current leads and three 20A high-temperature superconducting current leads, reducing the heat load of the cryogenic system. Five HTS current leads can be cooled using a GM cryocooler based on the optimal design and experimental verification of their current-carrying capability and heat load. According to the loading current experimental data, the running voltage and operating temperature are stable. The results of the overcurrent capacity experiments demonstrate that the maximum loading current of the 20A high-temperature superconducting current lead can reach 142A and that of the 460A high-temperature superconducting current lead can reach 780A.

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来源期刊
CiteScore
2.70
自引率
11.80%
发文量
102
审稿时长
66 days
期刊介绍: Physica C (Superconductivity and its Applications) publishes peer-reviewed papers on novel developments in the field of superconductivity. Topics include discovery of new superconducting materials and elucidation of their mechanisms, physics of vortex matter, enhancement of critical properties of superconductors, identification of novel properties and processing methods that improve their performance and promote new routes to applications of superconductivity. The main goal of the journal is to publish: 1. Papers that substantially increase the understanding of the fundamental aspects and mechanisms of superconductivity and vortex matter through theoretical and experimental methods. 2. Papers that report on novel physical properties and processing of materials that substantially enhance their critical performance. 3. Papers that promote new or improved routes to applications of superconductivity and/or superconducting materials, and proof-of-concept novel proto-type superconducting devices. The editors of the journal will select papers that are well written and based on thorough research that provide truly novel insights.
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