| Paper |
Title |
Page |
| WEPKF068 |
Developments in Magnet Power Converters at the SRS
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1759 |
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- G.D. Charnley, J. Cartledge, P.A.D. Dickenson, S.A. Griffiths, S.H. Hands, R.J. Smith, J.E. Theed, C.J. White
CCLRC/DL, Daresbury, Warrington, Cheshire
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A project to upgrade the magnet power converters of the SRS has commenced to ensure its efficient operation for its remaining operational lifetime. A recent risk analysis of the facilities equipment identified that the main areas for concern were the Storage Ring magnet power converters, kicker and septum pulse power supplies and the Booster Dipole "White Circuit" and associated power converters. This report detail the development and replacement programs currently active at Daresbury Laboratory, including future work identified to support and improve SRS utilisation.
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| 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
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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.
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