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In the framework of the strategy for the development and the procurement of the NB systems for ITER, it has been decided to build in Padova a test facility, including two experimental devices: a full size plasma source with low voltage extraction and a full size NB injector at full beam power (1MV). These two different devices will separately address the main scientific and technological issues of...
The paper compares different solutions able to mitigate the effects on the electric grid of active power holes caused by the ITER Neutral Beam Injector (NBI) load: when, during the NBI operation, a breakdown of the accelerator grids occurs, the main power supplies have to be shut down and then, within 130 ms, switched on again. To overcome the consequent power steps, different schemes based on energy...
This paper describes a comparative analysis of two different circuit solutions for the ion source power supplies of the neutral beam injector test bed for the international thermonuclear experimental reactor. The performances of the two layouts have been evaluated by means of numerical simulations, in terms of dynamic performance, ripple amplitude and cut-off times; the results are presented and discussed...
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