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Title Present Status of Capacitor-charging Power Supplies for Klystron Modulators in SuperKEKB Injector Linac
  • M. Kawamura, M. Akemoto, S. Fukuda, H. Honma, S. Michizono, H. Nakajima, T. Natsui, T. Shidara
    KEK, Ibaraki, Japan
  • H. Akikawa, O. Endo, K. Sato
    Nihon Koshuha Co. Ltd, Yokohama, Japan
Abstract The capacitor-charging power supplies (CCPSs) for the klystron modulators have been developed from 2002 in the SuperKEKB injector linac. The specifications are that the output voltage is 43kV, the charging power is 30kJ/s, and the output voltage stability is 0.2%p-p. Being used in the old facility, their sizes are restricted in 480mm x 680 mm x 760mm. After various modifications, the 13 CCPSs in the linac have been operated with no fault since last October. The present status of the CCPSs, including the outlines, specifications, and the modifications against the faults, are described.
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Conference LINAC2018, Beijing, China
Series Linear Accelerator Conference (29th)
Proceedings Link to full LINAC2018 Proccedings
Session Thursday Poster Session
Date 20-Sep-18   16:00–18:00
Main Classification Technology
Sub Classification RF power sources and power couplers
Keywords linac, klystron, status, controls, power-supply
Publisher JACoW Publishing, Geneva, Switzerland
Editors Volker RW Schaa (GSI, Darmstadt, Germany); Guoxi Pei (IHEP, Beijing, China); Yong Ho Chin (KEK, Tsukuba, Japan); Shinian Fu (IHEP, Beijing, China); Ning Zhao (IHEP, Beijing, China)
ISBN 978-3-95450-194-6
Published August 2018
Copyright © 2018 by JACoW, Geneva, Switzerland     CC-BY Creative Commons License
cc Creative Commons Attribution 3.0