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Favre, B.

Paper Title Page
MOPAN082 Four Quadrant 120 A, 10 V Power Converters for LHC 347
 
  • Y. Thurel, B. Favre, D. Nisbet
    CERN, Geneva
 
  The LHC (Large Hadron Collider) particle accelerator makes extensive use of true bipolar power converters, with a regulated high precision output current requirement. A special design and topology is required to permit high performance throughout the converter operating area, including quadrant transition. This paper presents the 120A 10V power converter, well represented in the LHC (300 units). The design is adapted for a wide range of magnet loads [from 10mH to 4 Henry] with stringent EMC requirements. A quick-connect system was applied to the converter modules to allow easy installation and maintenance operations. Discussion of 4 quadrant control and practical results are presented.