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The paper, after an overview of the typical requirements of Power Supply (PS) systems to control MagnetoHydroDynamic (MHD) instabilities and of technological solutions adopted in some present fusion experiments, reports on the last progress in the production of SiC power devices, which features can be interesting for this type of applications. The advantages of the SiC devices with respect to the...
This paper firstly recalls the main characteristics, design criteria and strong points of the ac/dc conversion system of RFX-mod. Then, after having described some innovative experimental scenarios and performance improvements which have been devised, the corresponding impact on the ac/dc conversion system and the compatibility with the present design are discussed. Some possible upgrades are identified...
The acceleration grids of the ITER Neutral Beam Injector (NBI) are likely to be subjected to frequent breakdowns. As a consequence, large voltage oscillations arise on the power supply terminals, which could stress the system and may propagate to the power supply. This paper deals with the analyses carried out to assess the impact of such voltage oscillations on the Acceleration Grid Power Supply...
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