C. Yamazaki, E. Ikawa, T. Yoshino, Kosuke Sato, F. Saito, S. Nakamura, H. Matsumoto, H. Kobayashi
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Beam acceleration experiment with developed 10 MW class high-precision power supply for accelerator electromagnets
A 10 MW-class high-precision power supply was developed for the electromagnets of a large proton accelerator (J-PARC). This power supply consists of an advanced self-commutated current-source type converter (ACSC) using IEGTs and a hybrid filter. The current ripple was less than 1×10−6, and the tracking error was less than ±0.5×104. With this power supply, the proton beam was successfully accelerated to 30 GeV, which is the target energy of the first stage of J-PARC.
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