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Moss, A.J.

Paper Title Page
WEPKF069 52 kV Power Supply for Energy Recovery Linac Prototype RF 1762
 
  • J.E. Theed, M. Dykes, A. Gallagher, S.A. Griffiths, S.H. Hands, A.J. Moss, J.F. Orrett, C.J. White
    CCLRC/DL, Daresbury, Warrington, Cheshire
  
  Daresbury Laboratory is constructing a Radio-Frequency (RF) Test Facility to be capable of testing RF cavities for accelerator applications. Electrical power for the RF equipment will be provided from an existing -52 kV 6-pulse rectifier and transformer system capable of delivering 16A DC continuous current. A crowbar circuit will be provided to divert the large amount of stored energy in the smoothing capacitor bank in the event that a spark should occur between the cathode and the body or modulating anode. Traditionally, the crowbar has been provided by using an ignitron, but modern solid state devices have sufficient performance to meet the requirements. This paper discusses the numerous design options that were considered for the circuit parameters.