Author/Authors :
Barlow، نويسنده , , I. and Bigi، نويسنده , , M. and Bird، نويسنده , , J. and Bonizzoni، نويسنده , , Ronald G. and Buttery، نويسنده , , R. and Clay، نويسنده , , R. and De Benedetti، نويسنده , , M. and Dobbing، نويسنده , , T. and Gallagher، نويسنده , , T. and Gervasini، نويسنده , , G. and Gittini، نويسنده , , G. and Hender، نويسنده , , T.C. and Hotchin، نويسنده , , S. and Last، نويسنده , , J. and Lazzaro، نويسنده , , E. and Lennholm، نويسنده , , M. and، نويسنده ,
Abstract :
The non-axisymmetric magnetic field, naturally present in every tokamak, constraints the machine operational space. A set of dedicated ‘Error Field Correction Coils’ (EFCC) is proposed for JET, which will replace the unreliable existing ‘saddle coils’. The new coils are specified to compensate the main harmonic contribution to error field induced modes. The EFCC structural design comprises a cable coil wound in a metallic casing supported on the JET iron magnetic circuit. Existing power supplies will drive the coils. The EFCC are expected to be installed in 2001 JET shutdown.
