TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan)
Online ISSN : 1880-0408
Print ISSN : 0389-2441
ISSN-L : 0389-2441
Development of ITER Toroidal Field Insert
International Collaboration with Russia
Makoto SUGIMOTOHideo NAKAJIMATakashi KATOKiyoshi OKUNOHiroshi TSUJIIgor RODINSergey EGOROV
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2002 Volume 37 Issue 10 Pages 513-522

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Abstract
The Central Solenoid (CS) model coil programme was performed since 1992 as one of the projects in the Engineering Design Activity (EDA) of the International Thermonuclear Experimental Reactor (ITER). The CS model coil programme involves a plan to develop the Toroidal Filed (TF) insert to demonstrate the conductor performance of ITER TF coils under a magnetic flux density of 13T. The TF insert was fabricated by Russia and tested by Japan under the framework of the ITER-EDA. The TF insert developed a single-layer solenoid with nine turns. It is wound with a cable-in-conduit (CIC) conductor which consists of 1, 152 Nb3Sn strands, a thin titanium jacket and a central channel. The outer diameter, height and weight of the TF insert are 1.56m, 3.2m and 3.1ton, respectively. Fabrication of the TF insert was completed in May 2001 at the D. V. Efremov Scientific Research Institute for Electrophysical Apparatus (Efremov institute) in St. Petersburg, Russia. The TF insert was then transported to the Japan Atomic Energy Research Institute (JAERI). Installation of the TF insert to CS model coil test facility was completed in August, 2001. Experiments including the cooldown and warmup processes, were completed in November 2001. The TF insert was charged to 13T with 46kA without any instability under a back up magnetic field from the CS model coil. This report introduces an overview of the fabrication, installation and experiments for the TF insert conducted under collaboration between Japan and Russia.
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© Cryogenic Association of Japan
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