March 2014

Conference Paper

THE SPALLATION NEUTRON SOURCE CRYOMODULE TEST STAND RF SYSTEM

By:
Crofford, Mark T; Ball, Jeffrey A; Davidson Jr, Taylor L; Hardek, Thomas W; Heidenreich, Dale A; Kasemir, Kay-Uwe ; Kim, Sang-Ho ; Kang, Yoon W
Page Number:
7-9
Publication Date:
March 7, 2014
Conference Name:
11th European Particle Accelerator Conference, EPAC'08
Conference Location:
Genoa, Italy
Conference Sponsor:
European Physical Society Accelerator Group (EPS-AG)

Abstract

The Spallation Neutron Source (SNS) has recently commissioned a cryomodule test facility for the repair and testing of the super-conducting radio-frequency (SRF) cavities. This facility utilizes the original 402.5/805 MHz Radio Frequency (RF) Klystron Test Stand as its power source along with dual Low Level RF (LLRF) control systems. One control system is based on the standard SNS Linac LLRF controls with a second system for open-loop only control. The system is designed to allow simultaneous testing of devices in the test cave and other devices which can be tested outside of the enclosure. Initial tests have shown good results; some improvements are yet to be implemented.

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