Progress on European ITER Toroidal Field Coil Procurement: Cold Test and Insertion Work Package

Bellesia, B.; Harrison, R.; Hernández, Ángela Saá; Jimenez, Marc; Koczorowski, Sebastien; Kosptopoulos, Charalampos; Libens, K.; Bue, Alessandro Lo; Luongo, C.A.; Pompa, Edoardo; Poncet, L.; Aprili, P.; Pozuelo, Eduard; Pellicer, Neus; Viladiu, E.; Barbero, P.; Theisen, E.; Oliva, A. Bonito; Boter, E.; Calin, Andrei; Casas, Maria Paz; Cornelis, M.; Figueiredo, Pedro; García, J. C.

doi:10.1109/tasc.2020.2972503

Cited by 6 publications

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“…Since the manufacturing responsibility of TFCs are shared between European Domestic Agency (EUDA) and JADA [2,3], we had a chance to compare the welding deformation results of two parties. In comparison, we found the common deformation trends.…”

Section: Harmonizationmentioning

confidence: 99%

“…310 tons. Niobium tin (Nb 3 Sn) was selected for the conductor material of TFC winding so that the WP can remain superconducting under its target peak magnetic field of 11.8 T and stores total magnetic energy of 41 GJ [1,2]. The operating temperature of TFC is around 4 K. TFC will experience large electromagnetic forces during operation, so the materials for TFC structures (TFCS) were selected to maintain the structural integrity in the ITER operation conditions [3].…”

Section: Introductionmentioning

confidence: 99%

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Completion of the first ITER toroidal field coil in Japan

et al. 2021

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The first ITER toroidal field coil (TFC) has been successfully manufactured by the Japanese Domestic Agency in January 2020. The ITER TFCs are the largest Niobium Tin (Nb3Sn) superconducting magnets in the world; each is enclosed in an austenitic stainless-steel case with a height of 16.5 m and total weight is 310 tons (Knaster et al 2008 IEEE Trans. Appl. Supercond. 18 495–498). A set of 18 TFCs will be installed around vacuum vessel to function as a plasma confinement magnet system. The responsibility to procure 18 TFCs and 1 spare coil is shared between European Domestic Agency and Japanese Domestic Agency (Bellesia et al 2020 IEEE Trans. Appl. Supercond. 30 4202205; Sborchia et al 2008 IEEE Trans. Appl. Supercond. 18 463–466). To hold a common magnetic and geometrical properties among all the TFCs, tight tolerances of sub-millimeter order are defined on each TFC. The fabrication of those massive magnets with such tight tolerances involved some major technical challenges. These technical challenges were solved by pre-assessment and process qualification through some qualification trials. As a result, techniques established to solve those challenges were implemented to the TFC manufacturing, leading to the successful completion of the first TFC. The details are described in the paper.

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Section: Harmonizationmentioning

confidence: 99%