Current distribution in high-Tc composite tapes

Author

Wang, Yinshun ; Xiao, Liye ; Lin, Liangzhen ; Dai, Shaotao ; Qiu, Ming

Author_Institution

Inst. of Electr. Eng., Acad. Sinica, Beijing, China

Volume

12

Issue

1

fYear

2002

fDate

3/1/2002 12:00:00 AM

Firstpage

1167

Lastpage

1170

Abstract

The current distributions within HTS tapes are important for the study of heat dissipation and thermal stability of the composite conductors. In this presentation, current distributions between superconducting ceramic core and silver sheath are measured explicitly under different DC magnetic fields with different orientation at 77 K. Three new parameters I_cc, I_oo and B_cc are defined to describe the I-V characterization of HTS tapes when the current is higher than the critical current, where I_cc is almost equal to I_oo when external field is higher than B_cc.

Keywords

composite superconductors; current distribution; high-temperature superconductors; power cables; superconducting cables; superconducting tapes; thermal stability; 77 K; DC magnetic fields; I-V characterization; composite conductors; current distribution; external field; heat dissipation; high-Tc composite tapes; power cables; power transmission system; superconducting ceramic core; thermal stability; Ceramics; Conductors; Current distribution; High temperature superconductors; Magnetic cores; Magnetic field measurement; Silver; Superconducting films; Thermal conductivity; Thermal stability;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/TASC.2002.1018609

Filename

1018609