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Report No.
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Simulation model for design of a new power supply

Takayanagi, Tomohiro   ; Hayashi, Naoki  ; Ueno, Tomoaki; Togashi, Tomohito; Irie, Yoshiro*

The simulation model for a new power supply of the injection bump system magnets of the 3-GeV RCS in J-PARC has been constructed. The new power supply requires the reduction of the ripple noise current which will resonate with load and excites a forced beam oscillation at the injection stage. In order to incorporate the load impedance in the simulation model, the impedances of a feeder line and the bump magnet with a ceramic vacuum chamber inside were measured. The RF shield is formed on the ceramic surface along the beam direction. The results were analyzed using the OPERA-3D and the circuit simulation code, Micro-Cap. A good agreement with measured was obtained.

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Category:Engineering, Electrical & Electronic

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