Author/Authors :
Durodié، نويسنده , , F. and Chappuis، نويسنده , , Ph. and Fanthome، نويسنده , , J. N. Goulding، نويسنده , , R.H. and Hosea، نويسنده , , J. and Lamalle، نويسنده , , P.U. and Lorenz، نويسنده , , Christina A. and Nightingale، نويسنده , , M.P.S. and Semeraro، نويسنده , , L. and Wesner، نويسنده , , F.، نويسنده ,
Abstract :
The ITER-like ICRF antenna for JET aims at validating novel antenna design principles in conditions as relevant as possible to ITER by coupling about 7.2 MW to an ELMy H-mode plasma on JET in the frequency range from 30 to 55 MHz. The power density, about 8 MW/m2, for a given maximum voltage in the circuit is maximized using poloidally short straps and the resilience to fast varying RF loads by matching pairs of straps by a so-called conjugate-T. The paper reports the main characteristics of the final design as well as the main challenges encountered during the design and testing phase of the key components.
