Assessment of the RF field and current levels on the ITER blanket modules and of possible grounding solutions for the ICRF antenna

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Résumé

We present the results of a numerical investigation of the interaction between the ITER ICRF antenna plug (external matching option) and the surrounding wall blanket modules with the commercial software CST Microwave Studio (MWS). In particular we study the RF currents circulating on and between these modules with a simplified rectangular model of the antenna and the blanket. Large currents can circulate on the plug and concentrate on the elements connecting the tiles to the first wall. We consider different grounding configurations (short-circuits and capacitors) aiming at decreasing the amplitude of the currents on the modules connectors. We observe a significant reduction of the RF currents on the connectors as well as a suppression of the propagative modes on the plug.

langue originaleAnglais
titreRADIO FREQUENCY POWER IN PLASMAS
Sous-titre17th Topical Conference on Radio Frequency Power in Plasmas
Pages207-210
Nombre de pages4
Les DOIs
étatPublié - 2007
Evénement17th Topical Conference on Radio Frequency Power in Plasmas - Clearwater, FL, États-Unis
Durée: 7 mai 20079 mai 2007

Série de publications

NomAIP Conference Proceedings
Volume933
ISSN (imprimé)0094-243X
ISSN (Electronique)1551-7616

Une conférence

Une conférence17th Topical Conference on Radio Frequency Power in Plasmas
Pays/TerritoireÉtats-Unis
La villeClearwater, FL
période7/05/079/05/07

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