ITER – Twisting and turning
ITER Newsline – Twisting and turning
By Sabina Griffith | 08 February 2012
As part of ITER’s in-vessel coil system, two Vertical Stability (VS) coils will provide fast control of the vertical displacement of the plasma. The circular VS coil situated in the lower segment of the vacuum vessel is the larger of the two, with a radius of 7.6 metres and a weight of 2 metric tons. The upper VS coil has a radius of 5.8 metres and weighs 1.6 metric tons.
The conductor inside of these coils—the largest of its kind ever—consists of a stainless steel jacket, magnesium oxide insulation, copper alloy to conduct current, and a water-cooling channel in the centre (also see Newsline 175 and 151).
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