Optimization on Critical Current and Transport Loss of Canted Stack by Copper Interleaving Method

Recent HTS applications are generally based on REBCO tapes, and REBCO stack is a common intermediate in these applications. Therefore, improving the REBCO stack is of economic and practical significance. A novel stack, canted stack, is proposed to release the limitation of stacking number. Copper in...

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Bibliographic Details
Published inIEEE transactions on applied superconductivity Vol. 34; no. 8; pp. 1 - 5
Main Authors Cai, Tiantian, Wang, Mingyang, Meng, Xuan'ang, Chen, Haolan, Wang, Xueliang, Li, Zhuyong, Sheng, Jie, Jin, Zhijian
Format Journal Article
LanguageEnglish
Published New York IEEE 01.11.2024
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Canted stack structure
Copper
copper interleaving
critical current
Critical current (superconductivity)
Electromagnetics
Filing
High-temperature superconductors
Loss measurement
optimization
Response surface methodology
Stacking
Surface topography
transport loss
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Summary:Recent HTS applications are generally based on REBCO tapes, and REBCO stack is a common intermediate in these applications. Therefore, improving the REBCO stack is of economic and practical significance. A novel stack, canted stack, is proposed to release the limitation of stacking number. Copper interleaving is a method to improve electromagnetic performance. Namely, any two adjacent REBCO tapes can be interleaved by one copper tape. However, copper interleaving in the middle part and the marginal part may bring different effects on canted stack. In this study, we discuss the difference of marginal interleaving and middle interleaving comprehensively. Based on the experimental verification, this study confirms that the middle interleaving has a better performance in critical current and transport loss of canted stack.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2024.3434828