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(PDP/02) Current Drive Experiments on the HIT-II Spherical Torus

   
T. Jarboe , R. Raman , B. Nelson , C. T. Holcomb , K. J. McCollam , and P. E. Sieck 
 
University of Washington, Seattle, WA 98195

Abstract
This paper describes the following new achievements from the Helicity Injected Torus (HIT ) program: a) formation and sustainment of a toroidal magnetic equilibrium using coaxial helicity injection  (CHI) in a conducting shell that has an L/R time much shorter than the pulse length; b) static formation of a spherical torus  with plasma current over 180 kA using a transformer and feedback controlled equilibrium coils; and c) production of a current increase in a transformer produced spherical torus using CHI.

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IAEA 1999