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Manufacturing of 50 kA superconducting transformer for ITER correction coil conductor test

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10 Author(s)
Liu, H.J. ; Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, People’s Republic of China ; Wu, Y. ; Ren, Zh.B. ; Wu, S.T.
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To meet the specifications of International Thermonuclear Experimental Reactor correction coil (CC) conductor, a 50 kA superconducting transformer has been designed and manufactured to provide the short sample of the CC conductor the current. The transformer consists of two concentric layer-wound superconducting solenoids with the primary inside the secondary coil. In order to test the transformer, the two legs of the secondary coil were directly connected by superconducting cables. A 500 W/4.5 K refrigerator was used to provide the supercritical helium. The maximum current of 56.3 kA in the secondary coil loop was obtained.

Published in:

Review of Scientific Instruments  (Volume:81 ,  Issue: 4 )