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Latest ITER Newsline

  • Without minimizing challenges, Council reaffirms commitment

    On 24 October 2007, the ITER Organization was officially established following the ratification by the seven ITER Members of the project's constitutive document [...]

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  • Heat waves

    Plasma is like a tenuous mist of particles—light atoms that have been dissociated into ions (the atom nucleus) and free-roaming electrons. In order to study pla [...]

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  • What a difference ten days make

    There was a time when progress in Tokamak Complex construction was easy to follow.Excavation in 2010; the creation of the ground support structure and seismic f [...]

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  • What's in the box?

    At ITER, even the opening of a box takes on a spectacular dimension. The operation requires a powerful crane, a full team of specialists and, as everything ITER [...]

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  • EU Commission has "positive appreciation" of ITER progress

    On 14 June, the European Commission issued a Communication presenting the revised schedule and budget estimates for European participation in ITER. Its object? [...]

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Of Interest

See archived articles

First ITER winding pack completed in Europe

-European Domestic Agency, Fusion for Energy

A major ITER procurement milestone was recorded in April by the European Domestic Agency, as contractors completed the first 110-tonne toroidal field winding pack. The winding pack, or D-shaped inner core, will now be cold tested at -200 °C/80 K before being inserted into a massive stainless steel case to form a final toroidal field coil assembly measuring 9 x 17 metres and weighing 310 tonnes.

A giant magnet ... and a giant step forward for ITER. Representatives from the European Domestic Agency, the ITER Organization and contractors stand inside of the first inner winding pack of an ITER toroidal field coil. (Click to view larger version...)
A giant magnet ... and a giant step forward for ITER. Representatives from the European Domestic Agency, the ITER Organization and contractors stand inside of the first inner winding pack of an ITER toroidal field coil.
Work is already underway on the assembly of a second winding pack at ASG Superconductors in La Spezia, Italy.

In ITER 18 toroidal field magnets—each made up of a winding pack and stainless steel coil case—will surround the vacuum vessel to produce the powerful magnetic field that will confine the particles of the ITER plasma. Europe has the procurement responsibility for half the coils plus one spare; Japan is producing nine coils and all stainless steel coil cases.

For Alessandro Bonito-Oliva, Europe's manager for magnets, "This is a landmark achievement for the whole project. We have been working really hard to meet the tight planning and manage all interfaces so that all pieces come together at the right time. The very good collaboration between the teams of the European Domestic Agency, the ITER Organization and the Japanese Domestic Agency has helped us to reach this point and go beyond as production accelerates."

To produce the first toroidal field winding pack, European contractors Iberdrola (Spain), ASG Superconductors (Italy), and Elytt Energy (Spain) collaborated closely with radial plate manufacturers CNIM and SIMIC. The step-by-step process included the winding of cable-in-conduit, niobium-tin-based superconductors into flat spirals called double pancakes, insertion into radial plates, impregnation with epoxy resin, and finally the stacking, jointing, wrapping, and full electrical insulation of seven double pancakes to form the final winding pack.

Europe estimates that more than 600 people from at least 26 companies have contributed to this milestone.


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