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TY - CONF AU - Omet, M. AU - Ayvazyan, V. AU - Branlard, J. AU - Butkowski, Ł. AU - Cichalewski, W. AU - Czuba, K. AU - Fenner, M. AU - Grecki, M.K. AU - Gąsowski, B. AU - Hanasz, S. AU - Hierholzer, M. AU - Hoffmann, M. AU - Jatczak, P.K. AU - Killenberg, M. AU - Kolcz, D. AU - Kühn, D. AU - Leśniak, T.P. AU - Ludwig, F. AU - Makowski, D.R. AU - Makowski, F. AU - Mavrič, U. AU - Mielczarek, A. AU - Pfeiffer, S. AU - Pryschelski, H. AU - Przygoda, K.P. AU - Rybaniec, R. AU - Schlarb, H. AU - Schmidt, Ch. AU - Sikora, D. AU - Szczepanski, B. AU - Weddig, H.C. ED - Schaa, Volker RW ED - He, Yuan ED - Li, Lu ED - Zhao, Ning TI - LLRF Commissioning at the European XFEL J2 - Proc. of SRF2017, Lanzhou, China, July 17-21, 2017 C1 - Lanzhou, China T2 - International Conference on RF Superconductivity T3 - 18 LA - english AB - The European X-ray Free-Electron Laser (XFEL) at Deutsches Elektronen-Synchrotron (DESY), Hamburg, Germany is a user facility under commissioning, providing ultrashort X-ray flashes with a high brilliance in the near future. All LLRF stations of the injector, covering the normal conducting RF gun, A1 (8 1.3 GHz superconducting cavities (SCs) and AH1 (8 3.9 GHz SCs), were successfully commissioned by the end of 2015. The injector was operated with beam transmission to the injector dump since then. After the conclusion of the construction work in the XFEL accelerator tunnel (XTL), the commissioning of 22 LLRF stations (A2 to A23) started with the beginning of 2017. Every station consists of a semi-distributed LLRF system controlling 32 1.3 GHz SCs. Stable operation with beam transport to the main dump (TLD) was achieved. The commissioning procedure applied, experience gained and performance reached are described. PB - JACoW CP - Geneva, Switzerland SP - 941 EP - 943 KW - ion KW - MMI KW - LLRF KW - FEL KW - cavity DA - 2018/01 PY - 2018 SN - 978-3-95450-191-5 DO - 10.18429/JACoW-SRF2017-FRXBA01 UR - http://jacow.org/srf2017/papers/frxba01.pdf ER -