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Journal of Superconductivity and Novel Magnetism

, Volume 32, Issue 11, pp 3647–3653 | Cite as

Study on Magnetization Losses in Soldered-Stacked-Square (3S) HTS Wires with 1 mm Width

  • Fei Gu
  • Wenrong Li
  • Lianhong Zhong
  • Xinhui Duan
  • Meng Song
  • Zhuyong LiEmail author
  • Zhiyong Hong
  • Zhijian Jin
Original Paper

Abstract

Magnetization loss of high-temperature superconducting (HTS) wires is usually considered as a critical issue in power applications. In order to reduce magnetization loss, a narrow soldered-stacked-square (3S) HTS wire with 1 mm width is firstly proposed by our group. And as a novel HTS wire type, its magnetization loss should be significantly understood before applied in further application. In this study, we fabricate the 1-mm-wide 3S wires with 2+4c, 4+2c, and 6+0c structures, and evaluate their magnetization loss experimentally and numerically. In the fabrication process of the 3S wires, a newly suggested technology, laser cutting, is adopted. The results show that the magnetization loss in (4+2c)-wire is independent of the frequency under perpendicular field but dependent on the frequency under parallel field. This may be considered that both eddy current loss and coupling loss are contained in the case of parallel field, besides hysteresis loss. Moreover, the different structures of the 3S wires will not affect the magnetization loss under perpendicular fields, but influence the magnetization loss under parallel fields. And these numerical results for parallel field have larger deviations compared with measured magnetization loss because only hysteresis loss is considered in the numerical model. Finally, a considerable reduction of the magnetization loss in the 3S wire is observed in the comparison with that in the original tape.

Keywords

Laser cutting Magnetization loss 1-mm-wide narrow tape Soldered-stacked-square (3S) wire 

Notes

Funding Information

This work was supported by the National Natural Science Foundation of China (Project 51577119).

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Authors and Affiliations

  1. 1.Department of Electrical EngineeringShanghai Jiao Tong UniversityShanghaiChina
  2. 2.Guangdong Power Grid CorporationGuangzhouChina

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