Development of a Fast-Rising Short-Pulse High-Voltage Power Supply using SiC-MOSFETs for the J-PARC Kicker System

Development of a Fast-Rising Short-Pulse High-Voltage Power Supply using SiC-MOSFETs for the J-PARC Kicker System

We have been developing a semiconductor switch power supply using SiC-MOSFETs to replace the conventional thyratron switch power supply. The newly developed power supply outputs a rated output of 40kV/2kA, a pulse width of 1.2μs, and a repetition rate of 25Hz using the LTD circuit system. This power...

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Bibliographic Details
Published in:2024 10th Euro-Asian Pulsed Power Conference, 25th International Conference on High-Power Particle Beams and 20th International Symposium on Electromagnetic Launch Technology (EAPPC/BEAMS/EML) pp. 1 - 2
Main Authors: Takayanagi, Tomohiro, Horino, Koki, Ueno, Tomoaki, Sugita, Moe, Fuwa, Yasuhiro, Shinozaki, Shinichi, Ono, Ayato, Tokuchi, Akira, Ikoma, Naoya, Kamezaki, Hiroaki
Format: Conference Proceeding
Language:English
Published: Eindhoven University of Technology 22-09-2024
Subjects:
Electromagnetics
High-voltage techniques
J-PARC
Kicker
LTD
Particle beams
Power supplies
Pulsed power supplies
Rectifiers
semiconductor switch
SiC-MOSFET
Switches
Thyratrons
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Summary:We have been developing a semiconductor switch power supply using SiC-MOSFETs to replace the conventional thyratron switch power supply. The newly developed power supply outputs a rated output of 40kV/2kA, a pulse width of 1.2μs, and a repetition rate of 25Hz using the LTD circuit system. This power supply has achieved performance that replaces the current kicker power supply at J-PARC. The specifications of the developed LTD pulse power supply circuit for SiC-MOSFETs, the corona-free structure of the constructed high-voltage application section, and the results of power saving and miniaturization will be reported.