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TY - CONF AU - Bosland, P. AU - Arcambal, C. AU - Ardellier, F. AU - Berry, S. AU - Bouygues, A. AU - Bruniquel, A. AU - Cenni, E. AU - Charrier, J.-P. AU - Cloué, C. AU - Costanza, G. AU - Darve, C. AU - Devanz, G. AU - Hamelin, T. AU - Hanus, X. AU - Hardy, P. AU - Marchand, C. AU - Michelato, P. AU - Olivier, G. AU - Peauger, F. AU - Piquet, O. AU - Plouin, J. AU - Poupeau, J.P. AU - Trublet, T. AU - Éozénou, F. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Status of the ESS Elliptical Cryomodules at CEA Saclay J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - The first ESS prototype cryomodule with medium beta cavities named M-ECCTD is being assembled at CEA Saclay. The Q curves of the 4 cavities mounted inside the cryomodule are presented, and the four power couplers have been conditioned at high power before their assembly onto the cavity string. Completion of the M-ECCTD assembly outside clean room is in progress as well as the finalization of the RF power test stand preparation. RF power tests of the M-ECCTD will be performed during summer 2017. CEA is preparing the production of the ESS medium and high beta cryomodules of the series before the test of the M-ECCTD and the contracts for the procurement of the most critical components have already been signed PB - JACoW CP - Geneva, Switzerland SP - 945 EP - 947 KW - cryomodule KW - cavity KW - cryogenics KW - vacuum KW - SRF DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-MOPVA040 UR - http://jacow.org/ipac2017/papers/mopva040.pdf ER -