Ramp tuning of the APS booster synchrotron magnet power supplies

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The acceleration cycle of the Advanced Photon Source (APS) booster synchrotron is completed within 250 Ms and is repeated at 2 Hz. The currents in the quadrupole and sextupole magnets must track the dipole current to within tight tolerances if the beam is to remain stable during acceleration. In order to meet the performance specifications, a monitoring system, online with the main control system, is used to measure machine performance and adapt power supply reference waveforms from cycle to cycle. The system optimizes the tracking between the power supplies, thus minimizing transient effects and taking care of any slow drifts. ... continued below

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4 p.

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Milton, S.V. & Carwardine, J.A. July 1, 1995.

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Description

The acceleration cycle of the Advanced Photon Source (APS) booster synchrotron is completed within 250 Ms and is repeated at 2 Hz. The currents in the quadrupole and sextupole magnets must track the dipole current to within tight tolerances if the beam is to remain stable during acceleration. In order to meet the performance specifications, a monitoring system, online with the main control system, is used to measure machine performance and adapt power supply reference waveforms from cycle to cycle. The system optimizes the tracking between the power supplies, thus minimizing transient effects and taking care of any slow drifts. Tuning algorithms are described and their performance evaluated. Practical considerations are also discussed.

Physical Description

4 p.

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INIS; OSTI as DE95013730

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  • 16. Institute of Electrical and Electronic Engineers (IEEE) particle accelerator conference, Dallas, TX (United States), 1-5 May 1995

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  • Other: DE95013730
  • Report No.: ANL/ASD/CP--85005
  • Report No.: CONF-950512--272
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 93509
  • Archival Resource Key: ark:/67531/metadc793315

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • July 1, 1995

Added to The UNT Digital Library

  • Dec. 19, 2015, 7:14 p.m.

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  • Jan. 29, 2016, 7:45 p.m.

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Milton, S.V. & Carwardine, J.A. Ramp tuning of the APS booster synchrotron magnet power supplies, article, July 1, 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc793315/: accessed September 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.