High Voltage Modulator for the TCV Diagnostic Neutral Beam Injector
Year: 2025
Type: conference-paper
Abstract: A Diagnostic Neutral Beam Injector (DNBI) is operated on the TCV Tokamak since 2000. Over the years, the plasma source and the ion optical system have benefited from several upgrades, whereas the power supply system remained almost unchanged. DNBI operation is now compromised by the obsolescence of both the power components and the control infrastructure. To allow for a long term reliable operation, a complete renew of the power supplies set is ongoing. It includes a high-speed current source rated$500 ~\mathrm{A} / 100 ~\mathrm{V} / 2 ~\mathrm{s}$for the arc-discharge plasma source (presented separately) and a High Voltage Modulator (HVM) rated$55 \text{kV} / 5 ~\mathrm{A} / 2 ~\mathrm{s}$.
Authors: U. Siravo, S. Delaley, J. Dubray, D. Fasel, A. Karpuchov, A. Listopad, L. Moreira, J. Orsinger, J. Orsinger, D. Velasco de la Fuente
Language: English
Subfield: Control and Systems Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W4416800030
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