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Power supply of the pulse steering magnet for changing the painting area between the MLF and the MR at J-PARC 3 GeV RCS

Takayanagi, Tomohiro  ; Hayashi, Naoki ; Ueno, Tomoaki; Horino, Koki; Togashi, Tomohito; Kinsho, Michikazu ; Watanabe, Yasuhiro ; Irie, Yoshiro*

The power supply of the pulse steering magnet has been produced. The power supply has the equipment used to excite the pulse current and the direct-current (DC) to correspond to two modes that the painting injection for beam users and the central injection for beam commissioning. The pulse current has been performed with good accuracy whose deviation to a setting current becomes to be less than 0.2%. In case of the central injection, the power supply excites the current in DC mode, which has been realized the ripple current below 0.01%. This paper describes the design parameters and the experimental results of the power supply.

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