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(ITERP1/16) Progress in RF Heating (IC, EC and LH) Design and R&D during ITER EDA

G. Bosia¹, M. Makowski¹, P. Froissard², R. Koch², R. Prins², G. Rey², G. Tonon², S. Moriyama³, K. Sakamoto³, M. Tsuneoka³, H. Grunloh⁴, D. Swain⁴

¹ ITER Joint Central Team
² European Home Team
³ Japan Home Team
⁴ US Home Team

Abstract.  The status of the design and of the technology development of the Radio-Frequency Heating and Current Drive (RF H&CD) systems performed during the ITER EDA is summarized. The conceptual designs of three RF systems [Electron Cyclotron (EC), Ion Cyclotron (IC) and Lower Hybrid (LH)] are now completed. In view of ITER severe in-vessel operating conditions, the maximum emphasis was given to the design of the in-vessel components. In the R&D program, technology progress has been achieved in several critical areas of all three systems, both in base technology (such as in gyrotron and windows developments for EC) as well as in design validation (IC prototype antenna, LH transmission components).

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