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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

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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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Of Interest

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Image of the week

A cabin on the roof?

 (Click to view larger version...)
They look like cabins on the roof but in ITER parlance they are called "mezzanines." Under the protection of these large structures, the two bridges connecting the Magnet Power Conversion buildings to the Tokamak Building will get off to a good start.

Installed 10.5 metres above the platform, the 50-metre-long bridges will shelter the massive, actively cooled busbars that feed DC current to the magnets, as well as cooling pipes running parallel.

The space inside the two bridges connecting the Magnet Power Conversion buidings to the tokamak will be occupied by the massive busbar delivering DC power to the magnetic system(orange), cooling water piping (light blue) and cable trays. (On this drawing the Magnet Power Conversion buiding is on the left.) (Click to view larger version...)
The space inside the two bridges connecting the Magnet Power Conversion buidings to the tokamak will be occupied by the massive busbar delivering DC power to the magnetic system(orange), cooling water piping (light blue) and cable trays. (On this drawing the Magnet Power Conversion buiding is on the left.)
As busbars cannot be bent, they need to be fitted with massive "angle pieces" when transitioning from vertical routing inside the Magnet Power Converter Building to horizontal routing inside the bridge. The size of the "angle piece" has determined the size of the mezzanine (see drawing).


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