Characterizations and first plasma operation of the WEST load-resilient actively cooled ICRF launchers - Archive ouverte HAL Access content directly
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Characterizations and first plasma operation of the WEST load-resilient actively cooled ICRF launchers

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West Team
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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 ($\sim$30 kV and 915 A peak). The successful commissioning of two of the launchers during the WEST C3 campaign at $\sim$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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Dates and versions

cea-02470093 , version 1 (07-02-2020)

Identifiers

  • HAL Id : cea-02470093 , version 1

Cite

W. Helou, F. Durodié, Julien Hillairet, E. Lerche, G. Lombard, et al.. Characterizations and first plasma operation of the WEST load-resilient actively cooled ICRF launchers. 23rd Topical Conference on Radiofrequency Power in Plasmas (RFPPC 2019), May 2019, Hefei, China. ⟨cea-02470093⟩
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