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  • Remembering Bernard Bigot, ITER Director-General 2015-2022

    On the ITER site, the machinery of construction was humming just like on any weekday. Workers were concentrating on their tasks, laying rebar for new buildings [...]

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  • Tokamak assembly | Preparing for the Big Lift

    The distance was short but the challenge daunting: on Thursday last week, the first section of the plasma chamber was lifted 50 centimetres above its suppor [...]

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  • Image of the week | 13th toroidal field coil arrives from Europe

    The toroidal field coil procurement effort has been one of the longest of the ITER program, initiated by Procurement Arrangements signed in 2007 and 2008. Manuf [...]

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  • Diagnostics | Final Procurement Arrangement signed

    ITER Diagnostics reached an important milestone in December 2021 when it concluded the last Procurement Arrangement of the diagnostics program. After signing a [...]

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  • On site | A quick visit to the Control Building

    Work is progressing on the ITER Control Building, ergonomically designed for the 60 to 80 operators, engineers and researchers who will call it home.  [...]

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Photo report

Ring magnet fabrication in full swing

At least as wide as a five-lane highway, ITER's largest ring-shaped magnets are too big to be transported in their finished state. The European Domestic Agency has purpose built a facility at ITER to house their fabrication only a few hundred metres from machine assembly pit. This report will take you inside the building, where a team of 70 is advancing the fabrication of the first production unit—poloidal field coil #5 (PF5).

Beginning with conductor winding and ending—at the other side of the 257-metre-long facility—with final assembly and cold testing, the fabrication of ITER's ring shaped magnets is a precise step-by-step process. (Click to view larger version...)
Beginning with conductor winding and ending—at the other side of the 257-metre-long facility—with final assembly and cold testing, the fabrication of ITER's ring shaped magnets is a precise step-by-step process.

Six ring-shaped poloidal field coils will be positioned horizontally outside of the toroidal field magnet system to shape the plasma and contribute to its stability by "pinching" it away from the walls.

Of the six coils—which range in diameter from 17 metres to 24 metres, and in weight from 200 to 400 tonnes—the European Domestic Agency, Fusion for Energy, is responsible for five. (A sixth is under the procurement responsibility of Russia.) In the facility on site, work on PF5 is 42 percent completed.

See the gallery below and a full report on the European Domestic Agency website.


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