Author: Yildirim, B.
Paper Title Page
WEPAB045 European XFEL High-Power RF System - the First 4 Years of Operation 2708
 
  • M. Bousonville, S. Choroba, T. Grevsmühl, S. Göller, A. Hauberg, V.V. Katalev, K. Machau, V. Vogel, B. Yildirim
    DESY, Hamburg, Germany
  
  In 2016, the in­stal­la­tion of the Eu­ro­pean XFEL was com­pleted and its 26 RF sta­tions started op­er­a­tion in 2017. Each RF sta­tion con­sists of a 10 MW-1.3 GHz-multi­beam kly­stron, a HV pulse mod­u­la­tor and a wave­guide sys­tem to sup­ply the su­per­con­duct­ing cav­i­ties and the nor­mal-con­duct­ing elec­tron gun with RF power. Dur­ing com­mis­sion­ing and sub­se­quent op­er­a­tion, the RF sta­tions were closely mon­i­tored and causes of fail­ures were in­ves­ti­gated. For the op­ti­mi­sa­tion of the RF sys­tems, the var­i­ous RF sta­tion fail­ures were eval­u­ated ac­cord­ing to their im­pact on ac­cel­er­a­tor op­er­a­tion and the mea­sures to elim­i­nate them were pri­ori­tised ac­cord­ingly. This re­port de­scribes the op­er­a­tion ex­pe­ri­ence and im­prove­ments of the high-power RF sta­tions dur­ing the first 4 years of op­er­a­tion.  
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-WEPAB045  
About • paper received ※ 19 May 2021       paper accepted ※ 07 June 2021       issue date ※ 21 August 2021  
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