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  • On site | ITER celebrates important milestones

    On 16 June 2022, the ITER amphitheatre was packed with life again after two years of silence, part of a new project culture initiative called "Commit to De [...]

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  • Port cell maintenance | A full-scale mockup for dress rehearsals

    Every port in the ITER vacuum vessel has a corresponding port cell in the Tokamak Building. These corridor-like spaces allow heating and fuelling pipes, electri [...]

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  • Magnets | Have the last pancake!

    After close to five years of intense activity, the winding table at the south end of the European poloidal field coil factory on site is now empty. Last week, t [...]

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  • 30th ITER Council: Progress in a time of challenge and transition

    The Council chamber on the fifth floor of the ITER Headquarters building resonated once again with the sound of voices as Member representatives gathered for th [...]

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  • Open Doors Day | Back together again

    After more than two years, ITER has resumed a tradition that dates back to 2007—Open Doors Day. On Saturday 18 June, more than 50 "volunteers," staff [...]

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Of Interest

See archived entries

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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