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RIS citation export for TUPMP047: Upgrade of the Cryogenic Control System for SRF Modules at the Taiwan Light Source

AU  - Chung, F.-T.
AU  - Chang, F.Y.
AU  - Chang, L.-H.
AU  - Chang, M.H.
AU  - Chang, S.W.
AU  - Chen, L.J.
AU  - Li, Y.T.
AU  - Lin, M.-C.
AU  - Liu, Z.K.
AU  - Lo, C.H.
AU  - Wang, Ch.
AU  - Yeh, M.-S.
AU  - Yu, T.-C.
ED  - Boland, Mark
ED  - Tanaka, Hitoshi
ED  - Button, David
ED  - Dowd, Rohan
ED  - Schaa, Volker RW
ED  - Tan, Eugene
TI  - Upgrade of the Cryogenic Control System for SRF Modules at the Taiwan Light Source
J2  - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019
CY  - Melbourne, Australia
T2  - International Particle Accelerator Conference
T3  - 10
LA  - english
AB  - An upgrade of the cryogenic control system for superconducting radio-frequency (SRF) modules of the Taiwan Light Source (TLS) has been completed. The biggest challenge was to recover all protection and operational functions, while minimizing the quantity of vented helium from SRF modules while replacing valve controllers. Gradually, this work was finished within several one- and ten-day scheduled machine shutdown periods for accelerator maintenance. No large helium vent nor pollution of the cryogenic system occurred during all component replacements and function verifications. Functions of the cryogenic electronics were improved, whereas the valve controllers are upgraded to new versions to increase reliability and availability. Communications with the data acquisition system was also secured by buffered signal processing module so that device shutdown of the data acquisition system will not interrupt the cryogenic valve operation.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 1356
EP  - 1358
KW  - controls
KW  - cryogenics
KW  - operation
KW  - interface
DA  - 2019/06
PY  - 2019
SN  - 978-3-95450-208-0
DO  - DOI: 10.18429/JACoW-IPAC2019-TUPMP047
UR  - http://jacow.org/ipac2019/papers/tupmp047.pdf
ER  -