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  • ITER Design Handbook | Preserving the vital legacy of ITER

    The contributions that ITER is making to fusion physics and engineering—through decades of decisions and implementation—are delivering insights to the fusion co [...]

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  • Electron cyclotron heating | Aligning technology and physics

    ITER, like other fusion devices, will rely on a mix of external heating technologies to bring the plasma to the temperature necessary for fusion. At a five-day [...]

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  • Poloidal field magnets | The last ring

    As the massive ring-shaped coil inched its way from the Poloidal Field Coils Winding Facility, where it was manufactured, to the storage facility nearby where i [...]

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  • Heat rejection | White "smoke" brings good news

    Like a plume of white smoke rising from a cardinals' conclave to announce the election of a new pope, the tenuous vapour coming from one of the ITER cooling cel [...]

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Of Interest

See archived entries

ITER NEWSLINE -

Toroidal field coils

15 more to come

The ITER machine will require 18* toroidal field coils—the D-shaped superconducting magnets that are responsible for confining the plasma in the centre of the torus-shaped plasma chamber. Since April four of them, two from Europe and two from Japan, have been delivered to the ITER site.

Powered by two 1,000 HP hydraulic ''power packs,'' the trailer transporting toroidal field coil #11 passes through one of the narrowest sections of the ITER Itinerary, a few kilometres to the east of the construction site. (Click to view larger version...)
Powered by two 1,000 HP hydraulic ''power packs,'' the trailer transporting toroidal field coil #11 passes through one of the narrowest sections of the ITER Itinerary, a few kilometres to the east of the construction site.
Although similar in shape, they differ in their packaging. Europe has opted for a tight wrap that reveals the general shape of the component and advertises the names of the institutions and companies involved; Japan has chosen a more conservative approach, with the coil encased in a rectangular frame with only its two opposite ends visible.

But whatever the packaging and whether experiencing it for the first time or the fourth, the transport of a 17-metre-long, 350-tonne component is always a spectacular event that draws small crowds on its passage.

Europe's packaging for toroidal field coils is a tight wrap that reveals the general shape of the component and advertises the names of the institutions and companies involved. (Click to view larger version...)
Europe's packaging for toroidal field coils is a tight wrap that reveals the general shape of the component and advertises the names of the institutions and companies involved.
Following the arrival of toroidal field coils TF9 and TF12 in April, and TF13 in July, toroidal field coil #11 (from Europe) was delivered to the ITER site in the small hours of 4 September. Its "partners" for pre-assembly, toroidal field coil #10 and vacuum vessel sector #8, are not due at ITER before 2021.

* Plus one spare

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