Author: Chmielewski, K.
Paper Title Page
TUPOST017 PEG Contribution to the LLRF System for Superconducting Elliptical Cavities of ESS Accelerator Linac 884
 
  • W. Cichalewski, G.W. Jabłoński, K. Klys, D.R. Makowski, A. Mielczarek, A. Napieralski, P. Perek, P. Plewinski
    TUL-DMCS, Łódź, Poland
  • A. Abramowicz, K. Czuba, M.G. Grzegrzółka, K. Oliwa, I. Rutkowski, W. Wierba
    Warsaw University of Technology, Institute of Electronic Systems, Warsaw, Poland
  • P.R. Bartoszek, K. Chmielewski, K. Kostrzewa, T. Kowalski, D. Rybka, M. Sitek, J. Szewiński, Z. Wojciechowski
    NCBJ, Świerk/Otwock, Poland
  • M. Jensen
    ESS, Lund, Sweden
  • A.J. Johansson, A.M. Svensson
    Lund University, Lund, Sweden
 
  The LLRF (Low-Level Radio Frequency) system optimizes energy transfer from the superconducting resonator to the accelerating beam. At ESS, one LLRF system regulates a single cavity. This digital system’s HW platform is the MTCA.4 standard. The system has been co-designed by ESS, Lund University, and the PEG (Polish Electronic Group) consortium. The PEG is also responsible for the system components design, evaluation, and production (like Local Oscillator Rear transition module, piezo tuner driver RTM, RTM carrier board, and others). The PEG delivers a HW/SW cavity simulator, an LLRF system test-stand, and provides necessary integration and installation services required for complete system preparation for the linac commissioning and operation phase. The paper summarizes the PEG work on the development and preparation of the LLRF systems for the ESS elliptical structures. The efforts concerning hardware and software components prototyping and evaluation are discussed. Moreover, we present the current status of the project, including components mass production, integration, and installation work.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2022-TUPOST017  
About • Received ※ 08 June 2022 — Revised ※ 16 June 2022 — Accepted ※ 19 June 2022 — Issue date ※ 20 June 2022
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