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MOPB080 |
Update and Status of Test Results of the XFEL Series Accelerator Modules |
319 |
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- M. Wiencek, K. Kasprzak, A. Zwozniak
IFJ-PAN, Kraków, Poland
- D. Kostin, D. Reschke, N. Walker
DESY, Hamburg, Germany
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The European X-ray Free Electron Laser is under construction at DESY, Hamburg. During preparation for tunnel installation 100 Cryomodules are tested in a dedicated facility on the DESY campus. Up to now around 50 cryomodules have been measured at 2K. This paper describes the current status of the measurements, especially single cavity limitations. In addition we present a comparison between the vertical test results of the individual cavities and the corresponding performance measurements of the cavities once assembled into the accelerator string inside the cryomodule.
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TUPB118 |
Improvements of the RF Test Procedures for European XFEL Cryomodule Testing |
914 |
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- M. Wiencek, K. Kasprzak, D. Konwisorz, S. Myalski, K. Turaj, A. Zwozniak
IFJ-PAN, Kraków, Poland
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The testing of the 100 SRF cryomodules for E-XFEL is currently ongoing at the AMTF Hall, located at DESY, Hamburg. Cold tests for the cryomodules have been developed based on TTF (Tesla Test Facility) experience. However, to be able to test the cryomodules with required test rate of one a week, some improvements to the measurements had to be made. The goal of these improvements was to reduce the time needed for testing without losing any of the important data for the cryomodule. Currently, after testing more than 30% of the cryomodules, gathered experience is now allowing us to skip or combine some of the measurements. This paper describes changes in the cold test procedures which have been made since the testing of the first serial cryomodules delivered by IRFU.
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