Investigating the 10 kA HTS Module of the ITER Current Leads

Author

Liu, C. ; Bi, Yaxin ; Ding, Kevin ; Feng, H. ; Zhou, Tingzhi ; Shen, Guanghui ; Ni, Q. ; Huang, Xumin ; Song, Yuning ; Bauer, P. ; Gung, C. ; Devred, A. ; Mitchell, N.

Author_Institution

ASIPP, Inst. of Plasma Phys., Hefei, China

Volume

22

Issue

3

fYear

2012

fDate

6/1/2012 12:00:00 AM

Firstpage

4800204

Lastpage

4800204

Abstract

The International Thermonuclear Experimental Reactor (ITER) has 60 high-temperature superconducting (HTS) current leads (CL) which have a nominal current of 68, 55 and 10 kA (depending on the type of magnet they have to supply) and provide a total current of 2.7 MA to the magnet system. The HTS module is a key part of CLs. This paper describes the simulation of the critical current in a multi-layer tape model as well as the special soldering technique developed for the HTS stack. In order to validate this technique, a 10 kA pre-prototype HTS module was made and tested in a setup that reproduces ITER conditions at ASIPP. The paper also briefly describes the overheating time test setup and the results.

Keywords

Tokamak devices; high-temperature superconductors; superconducting magnets; HTS module; ITER current leads; International Thermonuclear Experimental Reactor; critical current; current 10 kA; high-temperature superconducting current leads; magnet system; multilayer tape model; nominal current; Critical current; Helium; High temperature superconductors; Integrated circuits; Lead; Magnetic fields; Temperature measurement; Bi-2223; HTS current lead; HTS stack; ITER;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/TASC.2012.2191490

Filename

6172218