Implementation of load resilient ion cyclotron resonant frequency (ICRF) systems to couple high levels of ICRF power to ELMy H-mode plasmas in JET

M. Graham, M. L. Mayoral, I. Monakhov, J. Ongena, T. Blackman, M. P.S. Nightingale, E. Wooldridge, F. Durodié, A. Argouarch, G. Berger-By, A. Czarnecka, S. Dowson, R. Goulding, S. Huygen, P. Jacquet, T. J. Wade, E. Lerche, P. U. Lamalle, H. Sheikh, D. Van EesterM. Vrancken, A. Walden, A. Whitehurst