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Nakajima, Hideo; Hemmi, Tsutomu; Iguchi, Masahide; Nabara, Yoshihiro; Matsui, Kunihiro; Chida, Yutaka; Kajitani, Hideki; Takano, Katsutoshi; Isono, Takaaki; Koizumi, Norikiyo; et al.
Proceedings of 24th IAEA Fusion Energy Conference (FEC 2012) (CD-ROM), 8 Pages, 2013/03
The ITER organization and 6 Domestic Agencies (DA) have been implementing the construction of ITER superconducting magnet systems. Four DAs have already started full scale construction of Toroidal Field (TF) coil conductors. The qualification of the radial plate manufacture has been completed, and JA and EU are ready for full scale construction. JA has qualified full manufacturing processes of the winding pack with a 1/3 prototype and made 2 full scale mock-ups of the basic segments of TF coil structure to optimize and industrialize the manufacturing process. Preparation and qualification of the full scale construction of the TF coil winding is underway by EU. Procurement of the manufacturing equipment is near completion and qualification of manufacturing processes has already started. The constructions of other components of the ITER magnet systems are also going well towards the main goal of the first plasma in 2020.
Matsui, Kunihiro; Koizumi, Norikiyo; Hemmi, Tsutomu; Takano, Katsutoshi; Kajitani, Hideki; Iguchi, Masahide; Chida, Yutaka; Nakajima, Hideo; Knaster, J.*; Foussat, A.*
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JAEA performed sub- and full-scale trials to development for the Toridal Field (TF) coil manufacture prior to series production of the TF coils. In the sub-scale trials, the conductor winding, insulation/impregnation and heat treatment trials were performed to resolve some technical issues and to demonstrate the fabrication procedures. The followings are major achievements. (1) High accuracy of 0.011% in the conductor winding, (2) the evaluation of 0.073% conductor elongation due to heat treatment and (3) the successful impregnation using CE resin. In the full scale trials, a full scale radial plate (RP) was fabricated, and the flatness of fabricated RP within 2 mm were achieved.
