Archivio Istituzionale della RicercaThe paper discusses the characterization of the three high power steady-state and load-resilient ICRF launchers of WEST before their installation in the tokamak. These launchers have been characterized and validated in low-power experiments (milliwatt range) as well as in experiments at the nominal RF voltages and currents in the TITAN vacuum chamber (~30 kV and 915 A peak). The successful commissioning of two of the launchers during the WEST C3 campaign at ~1 MW power level is illustrated. Manual and real-time controlled impedance-matching of the launchers are discussed, as well as the validation of their load-resilience. Furthermore, several redundant and complementary protection systems have been validated and are reviewed in the paper.
Characterizations and first plasma operation of the WEST load-resilient actively cooled ICRF launchers / Helou, W.; Durodie, F.; Hillairet, J.; Lerche, E.; Lombard, G.; Milanesio, D.; Mollard, P.; Bernard, J. -M.; Charabot, N.; Clairet, F.; Colas, L.; Moudden, Y.; Santraine, B.; Song, Y. T.; Urbanczyk, G.; Volpe, R.; Wang, Y. S.; Yang, Q. X.; Bobkov, V.. - ELETTRONICO. - 2254:(2020), p. 030009. (Intervento presentato al convegno 23rd Topical Conference on Radiofrequency Power in Plasmas tenutosi a Hefei, China nel 2019) [10.1063/5.0013992].
Characterizations and first plasma operation of the WEST load-resilient actively cooled ICRF launchers
Milanesio D.;
2020
Abstract
The paper discusses the characterization of the three high power steady-state and load-resilient ICRF launchers of WEST before their installation in the tokamak. These launchers have been characterized and validated in low-power experiments (milliwatt range) as well as in experiments at the nominal RF voltages and currents in the TITAN vacuum chamber (~30 kV and 915 A peak). The successful commissioning of two of the launchers during the WEST C3 campaign at ~1 MW power level is illustrated. Manual and real-time controlled impedance-matching of the launchers are discussed, as well as the validation of their load-resilience. Furthermore, several redundant and complementary protection systems have been validated and are reviewed in the paper.
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Descrizione: Helou_RF2019
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https://hdl.handle.net/11583/2870217