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FP7

Progress on the heating and current drive systems for ITER

Funded under: FP7-EURATOM

Abstract

The electron cyclotron (EC), ion cyclotron (IC), heating-neutral beam (H-NB) and, although not in the day 1 baseline, lower hybrid (LH) systems intended for ITER have been reviewed in 2007/2008 in light of progress of physics and technology in the field. Although the overall specifications are unchanged, notable changes have been approved. Firstly, it has been emphasized that the H&CD systems are vital for the ITER programme. Consequently, the full 73 MW should be commissioned and available on a routine basis before the D/T phase. Secondly, significant changes have been approved at system level, most notably: the possibility to operate the heating beams at full power during the hydrogen phase requiring new shine through protection; the possibility to operate IC with 2 antennas with increased robustness (no moving parts); the possible increase to 2 MW of key components of the EC transmission systems in order to provide an easier upgrading of the EC power as may be required by the project; the addition of a building dedicated to the RF power sources and to a testing facility for acceptance of diagnostics and heating port plugs. Thirdly, the need of a plan for developing, in time for the active phase, a CD system such as LH suitable for very long pulse operation of ITER was recognised. The review describes these changes and their rationale.

Additional information

Authors: JACQUINOT J, Cabinet of High Commissioner for Atomic Energy, St Paul-lez-Durance (FR);BEAUMONT B et al, ITER Cadarache JWS, St Paul-lez-Durance (FR);ALBAJAR F et al, Fusion for Energy, Barcelona (ES);BECOULET A, Département de Recherches sur la Fusion Contrôlée, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);HOANG GT, Département de Recherches sur la Fusion Contrôlée, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);INOUE T et al, Département de Recherches sur la Fusion Contrôlée, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);GOULDING R et al, JAEA, Ibaraki-ken (JP);CHAKRABORTY A et al, US ITER Project Office, Oak Ridge (US);DENISOV G, ITER India, Gujarat (IN);NIGHTINGALE M, Institute of Applied Physics, Nizhny Novgorod (RU);SONATO P, EURATOM-UKAEA Fusion Association, Culham Science Centre, Abingdon (GB)
Bibliographic Reference: An oral paper given at: 25th Symposium on Fusion Technology - (SOFT-25) Organised by: Max-Planck-Institut für Plasmaphysik Held at: HanseMesse Rostock (DE)
Availability: This article can be accessed online by subscribers, and can be ordered online by non-subscribers, at: http://dx.doi.org/doi:10.1016/j.fusengdes.2009.01.100
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