Development of the ITER Toroidal Field Coil Winding Pack in Japan

Author

Koizumi, N. ; Nakajima, H. ; Matsui, K. ; Hemmi, T. ; Takano, K. ; Okuno, K. ; Hasegawa, M. ; Kakui, H. ; Senda, I.

Author_Institution

JAEA, Naka, Japan

Volume

20

Issue

3

fYear

2010

fDate

6/1/2010 12:00:00 AM

Firstpage

385

Lastpage

388

Abstract

The authors performed trials and studies to solve the remaining technical problems for manufacturing the ITER Toroidal Field (TF) coil. Cover plate (CP) welding deformation of a side double pancake may achieve specified tolerances with correction of a long wave distortion through the use of a small load, although complicated welding operations are required. In addition, JAEA developed a new procedure for manufacturing a CP at a reduced cost. Straight and curved CPs are fabricated by hot-rolling and cold-drawing and bending the straight CP with sufficient accuracy. Applying these results, JAEA has started procurement of the TF coil, beginning with qualification trials. Manufacture of a full-scale regular RP, finalization of a manufacturing plan and drawings and design of tooling will be completed by the middle of 2011.

Keywords

Tokamak devices; bending; cold working; drawing (mechanical); hot rolling; superconducting coils; superconducting magnets; welding; ITER toroidal field coil manufacture; ITER toroidal field coil winding pack; bending; cold drawing; cover plate welding deformation; full scale regular radial plate manufacture; hot rolling; side double pancake configuration; Cover plate; ITER; TF coil; winding pack;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/TASC.2010.2040151

Filename

5415520