Status of ENEA's Procurement of 9 TF Coils of JT-60SA Tokamak

Gian Mario Polli, Antonio Cucchiaro, Valter Cocilovo, Paolo Rossi, Giovanni Drago, Alberto Barutti, Paolo Pesenti, Franco Terzi, Enrico Di Pietro, Valerio Tomarchio

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Abstract

In the framework of the Broader Approach program for the early realization of fusion with the construction of JT-60SA tokamak, ENEA has to provide nine of the 18 TF coils of the JT-60SA magnet system. The scope of the supply foresees both the manufacturing of the winding packs (WP) and their integration into the casing structure. At the end of 2015, all nine WP were completed and tested. Integration activity started in mid-2015 and it is now almost finished. At present, all nine WP have been inserted in their respective casing structure, while embedding impregnation and final machining have also been concluded. Eight coils have been already tested in cryogenic conditions, and five coils have been assembled in the tokamak. This paper provides an overview of the contract that ENEA signed with ASG Superconductors for this supply. Specifically after an introduction of the contract activity, production performances are reviewed with respect to each manufacturing step. The role of welding activity is particularly emphasized. Also, the results of some electrical, geometrical, and hydraulic tests of the TFC completed so far are reported in order to give a general assessment of the homogeneity of the coils' production and of their performances.
Original languageEnglish
Article number8239851
Pages (from-to)-
JournalIEEE Transactions on Applied Superconductivity
Volume28
Issue number3
DOIs
Publication statusPublished - 1 Apr 2018
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Polli, G. M., Cucchiaro, A., Cocilovo, V., Rossi, P., Drago, G., Barutti, A., Pesenti, P., Terzi, F., Di Pietro, E., & Tomarchio, V. (2018). Status of ENEA's Procurement of 9 TF Coils of JT-60SA Tokamak. IEEE Transactions on Applied Superconductivity, 28(3), -. [8239851]. https://doi.org/10.1109/TASC.2017.2787134