Self-field measurements of a REBCO Rutherford-type cable

IF 1.8 3区工程技术 Q3 PHYSICS, APPLIED

Cryogenics Pub Date : 2025-05-31 DOI:10.1016/j.cryogenics.2025.104134

T. Obana , M. Takayasu

引用次数: 0

Abstract

Self-field measurements of a Rutherford-type cable immersed in liquid nitrogen have been performed. A 1-meter straight Rutherford-type cable composed of 60 REBCO tapes (12 sub-cables) was tested. The measurement results indicated that the self-field was unaffected by the cable energization ramp-rate. Based on the measurement results, a current center position within the cable cross-section was investigated during cable energization. The current center position remained unchanged during the charging. Consequently, the current distribution of the Rutherford-type cable was stable.

In addition, the 1-meter straight Rutherford-type cable was compared to other cable samples composed of stacked REBCO tapes. Under the same sample shape and cooling condition, the Rutherford-type cable and the stacked assembled in rigid structure (STARS) cable have similar characteristics with respect to the current center position during cable excitation.

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REBCO卢瑟福型电缆的自场测量

对浸在液氮中的卢瑟福型电缆进行了自场测量。测试了一条由60根REBCO胶带（12根子电缆）组成的1米直卢瑟福型电缆。测量结果表明，自场不受电缆通电斜坡率的影响。根据测量结果，研究了电缆通电时电缆截面内电流中心的位置。在充电过程中，当前的中心位置保持不变。因此，卢瑟福型电缆的电流分布是稳定的。此外，还将1米直的卢瑟福型电缆与其他由堆叠的REBCO带组成的电缆样品进行了比较。在相同的试样形状和冷却条件下，卢瑟福型电缆和堆叠组合刚性结构（STARS）电缆在电缆激励过程中电流中心位置具有相似的特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Cryogenics 物理-热力学

CiteScore

3.80

自引率

9.50%

发文量

审稿时长

2.1 months

期刊介绍： Cryogenics is the world''s leading journal focusing on all aspects of cryoengineering and cryogenics. Papers published in Cryogenics cover a wide variety of subjects in low temperature engineering and research. Among the areas covered are: - Applications of superconductivity: magnets, electronics, devices - Superconductors and their properties - Properties of materials: metals, alloys, composites, polymers, insulations - New applications of cryogenic technology to processes, devices, machinery - Refrigeration and liquefaction technology - Thermodynamics - Fluid properties and fluid mechanics - Heat transfer - Thermometry and measurement science - Cryogenics in medicine - Cryoelectronics