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Hsiao, F. Z.

Paper Title Page
MOPCH192 Operation of a Helium Cryogenic System for a Superconducting Cavity in an Electron Storage Ring 511
 
  • F. Z. Hsiao, S.-H. Chang, W.-S. Chiou, H.C. Li
    NSRRC, Hsinchu
 
  A 500 MHz superconducting cavity maintaining the energy of electrons in the storage ring of TLS light source started from the year 2005. A helium system dedicated to keep the niobium cavity at 4.5 K has begun its operation since the year 2003. The cryogenic system provides maximum refrigeration of 469 W or liquefaction rate of 134 l/hr. The constraint from the superconducting cavity leads to specific features of the cryogenic system. This paper presents the operation of the cryogenic system as the superconducting cavity at different conditions. The interaction in between the cryogenic system and the superconducting cavity and the constraints on the starting and shutdown of the cryogenic system are indicated.