Subscribe options

Select your newsletters:

Please enter your email address:

@

Your email address will only be used for the purpose of sending you the ITER Organization publication(s) that you have requested. ITER Organization will not transfer your email address or other personal data to any other party or use it for commercial purposes.

If you change your mind, you can easily unsubscribe by clicking the unsubscribe option at the bottom of an email you've received from ITER Organization.

For more information, see our Privacy policy.

News & Media

Latest ITER Newsline

  • Transition | Eisuke Tada takes over the leadership of the ITER Project

    Eisuke Tada, from Japan, assumes the interim role of Director-General of the ITER Organization in the wake of the passing of Director-General Bernard Bigot. De [...]

    Read more

  • Tokamak assembly | The "module" has landed

    This 'module' was not designed to land on the Moon. But it was as complex a piece of technology, requiring as much precision in its handling as the famed 'lunar [...]

    Read more

  • On site | A visit from Gabriela Hearst and the Chloé team

    The ITER Project is renowned for being on the cutting-edge of many fields of design—but fashion design, haute couture, is not one of them. So it was a fascinati [...]

    Read more

  • Video | Watch the Big Lift!

    A component towering six storeys high and weighing the equivalent of four fully loaded Boeing 747s is lifted out of tooling and transferred into the assembly pi [...]

    Read more

  • 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 [...]

    Read more

Of Interest

See archived entries

Milestones

Japan completes central solenoid conductor

The Japanese Domestic Agency has successfully completed the procurement of 43 kilometres (700 tonnes) of niobium-tin cable-in-conduit superconductor for ITER's central solenoid magnet.

The last crate of spooled conductor has now left Japan for the coil manufacturer in the United States. In an eight-year campaign to design, test and produce the central solenoid conductor, Japanese industry manufactured 43 kilometres (some 700 tonnes) of material. (Click to view larger version...)
The last crate of spooled conductor has now left Japan for the coil manufacturer in the United States. In an eight-year campaign to design, test and produce the central solenoid conductor, Japanese industry manufactured 43 kilometres (some 700 tonnes) of material.
The central solenoid is tower-shaped magnet in the centre of the machine that will induce a powerful current in the ITER plasma and maintain it during long plasma pulses. Thirteen metres tall (18 metres, with structure), four metres wide and one thousand tonnes, the central solenoid is made of six independent coil packs wound from niobium-tin superconductor.

The Japanese Domestic Agency for ITER is responsible for supplying 100 percent of the central solenoid conductors. Eight years after the Procurement Arrangement was signed with the ITER Organization, the full scope has been achieved.

Forty-nine unit lengths of superconductor have now been shipped to the United States, where coil manufacturing is underway at General Atomics (San Diego, California) under the procurement responsibility of the US Domestic Agency.

The ITER central solenoid will top the charts as the largest solenoid ever built for a fusion device. Maximum field of 13 tesla will be reached in the centre of the central solenoid for a current of 40 kA (up to a maximum of 46 kA in some modules).

Superconductors such as these—successfully developed to reach such demanding technical specifications—can also be expected to have applications in the fields of superconducting power transmission, systems for electricity storage, and the miniaturization of medical accelerators.

Read the press release in Japanese on the QST website (National Institutes for Quantum and Radiological Science and Technology).




return to the latest published articles