The 1MV MITICA interface between Europe and Japan is in place


On 10th June 2019, an important step forward was done at the ITER-Neutral Beam Test Facility in Padua (Italy), in the integration of the MITICA power supply system.
The High Voltage Bushing (HVB), procured by the Japanese ITER Domestic Agency –JADA, in collaboration with Hitachi, was installed on MITICA vacuum vessel procured by F4E and manufactured by De Pretto Industrie SrL. 
MITICA is the full size prototype of the neutral beam injector of ITER, being realized within the NBTF project, to allow testing and optimization of the ITER main additional heating system.
The HVB is a highly innovative R&D component, the design of which has required great effort and specific competences, as it not only works as an electric feedthrough between the transmission line and the injector, but also as an interface between two environments: the ultra-high vacuum inside the vessel and high pressure SF6 gas (Sulfur hexafluoride) insulated transmission line.
“ So many actors are involved in this operation, each of them with different responsibilities: F4E and JADA for the procurements of the components: Vacuum Vessel and HVB, the ITER Organization as the final owner of the components, and RFX responsible for the integration and the companies involved in the procurements and installation activities” says Vanni Toigo NBTF Project Manager.
All MITICA “utilities” will pass through the HVB component: light (1MV voltage), water (for cooling) and gas (for the plasma), in 50 tons of concentration of very high technology.
“Now that the installation has been concluded – continues Mr. Toigo - I’d like to thank everyone for the availability and collaboration. The milestone we’ve reached today is a new example of integration not only from a technical and scientific point of view, but also among the team”.


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