Archivio Istituzionale della RicercaThe antenna design proposed here is based on the resonant double loop concept with conjugate T matching to make the circuit resilient to strong plasma load variations as ELMs. The antenna is constituted of two main parts; the in‐vessel launcher which is inside the primary torus vacuum and the Compact Vacuum Tuners (CVT) that is located after the first barrier in a private vacuum. This CVT allows to match at the strap location, the antenna impedance with the plasma load, over the 45 to 55 MHz frequency range. It has been designed to ease its repair and maintenance, and can be easily removed from the rear without breaking the primary vacuum. Apart from the Faradays screens fit to shape the plasma edge, the in‐vessel launcher and CVT are made out of 6 identical modules, to allow the best economical approach for the manufacture, the assembly and the maintenance of the antenna.
Mechanical design proposal of an Ions Cyclotron Resonant Heating antenna for ITER / Agarici, G.; Argouarch, A.; Bosia, G.; Brun, C.; Mitteau, R.; Mollard, P.; Testoni, P.; Maggiora, Riccardo; Milanesio, Daniele; Patterlini, J. C.; Vulliez, K.. - In: AIP CONFERENCE PROCEEDINGS. - ISSN 0094-243X. - STAMPA. - 933:(2007), pp. 155-158. (Intervento presentato al convegno 17th Topical Conference on Radio Frequency Power in Plasmas tenutosi a Clearwater, Florida, USA nel 7-9 May 2007) [10.1063/1.2800465].
Mechanical design proposal of an Ions Cyclotron Resonant Heating antenna for ITER
MAGGIORA, Riccardo;MILANESIO, DANIELE;
2007
Abstract
The antenna design proposed here is based on the resonant double loop concept with conjugate T matching to make the circuit resilient to strong plasma load variations as ELMs. The antenna is constituted of two main parts; the in‐vessel launcher which is inside the primary torus vacuum and the Compact Vacuum Tuners (CVT) that is located after the first barrier in a private vacuum. This CVT allows to match at the strap location, the antenna impedance with the plasma load, over the 45 to 55 MHz frequency range. It has been designed to ease its repair and maintenance, and can be easily removed from the rear without breaking the primary vacuum. Apart from the Faradays screens fit to shape the plasma edge, the in‐vessel launcher and CVT are made out of 6 identical modules, to allow the best economical approach for the manufacture, the assembly and the maintenance of the antenna.
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https://hdl.handle.net/11583/1717012
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