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The current capacity tests of the Tokamak T-15 Nb3Sn toroidal coil assembly

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21 Author(s)
V. A. Alkhimovich ; I.V. Kurchatov Inst. of Atomic Energy, Moscow, USSR ; I. O. Anashkin ; N. N. Britousov ; A. N. Vertiporokh
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The Nb3Sn magnet toroidal field coil assembly of Tokamak T-15 has shown its workability up to the rated magnetic field (3.5 T at the axis and 6.6 T at the coils). The dependence of the quench current on winding temperature was obtained. Its extrapolation shows that operation at 4.5 T will be possible at a temperature of 4.5 K. The coil which limits the total current of the coil assembly was identified. Poloidal field changes produced by plasma current disruptions with a field change rate of up to 15 T/s did not disturb the coil assembly operation

Published in:

IEEE Transactions on Magnetics  (Volume:27 ,  Issue: 2 )