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  • Neutral Beam Test Facility | Lessons learned from SPIDER, a full-size negative ion source

    SPIDER finished its first test campaign in late November 2021 and is now entering an upgrade phase. During this time, the testbed will be shut down for about on [...]

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    In the European winding facility on site, two large poloidal field coils have already left the manufacturing line. Two others are currently advancing through th [...]

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    Just before the 2021 Christmas holiday break, the team at the ASDEX Upgrade tokamak successfully fired frozen deuterium pellet fragments into a plasma as part o [...]

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Of Interest

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Toroidal field coils

Eight now on site

With eight D-shaped magnet coils on site and two travelling, the project has officially passed the halfway mark in the procurement of 19 toroidal field coils.

Toroidal field coil #6 (TF6) arrives at ITER before dawn on 3 September 2021. (Click to view larger version...)
Toroidal field coil #6 (TF6) arrives at ITER before dawn on 3 September 2021.
Eighteen toroidal field coils, placed vertically around the ITER plasma chamber, will produce the magnetic field that will confine the plasma particles; a nineteenth will be supplied to the project as a spare.

The coils will be associated by pair with each vacuum vessel sector. Two tools have been erected in the ITER Assembly Hall for this sub-assembly activity, and the first operation is underway on vacuum vessel sector #6.

From niobium-tin conductor supplied by ITER Members China, Europe, Japan, Korea, Russia and the United States, two procuring agencies—the Domestic Agencies of Europe and Japan—are carrying out the complex winding and casing tasks necessary to delivering the final coils. 

On Friday 3 September, the European agency Fusion for Energy delivered TF6—the eighth coil to arrive on site. To date, five coils have been delivered by Europe and three from Japan; another two Japanese coils are travelling toward ITER now.

One of ITER's longest-lead procurement programs has reached the halfway mark in terms of deliveries.



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