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Enhancements in Magnet Performance and Efficiency: MPP Meeting Agenda - August 13, 2008

The MPP meeting on August 13, 2008, focused on improving the dependability of the 60 A software interlock and analyzing the results of various spare quench heater reconfigurations in MB magnets. Key topics included the status of 600 A circuits' ramp rates, injection tests in Sector 2-3, and procedures for trajectory measurements and corrections. The meeting highlighted successful trials of single bunch beams and illustrated MPP's contributions to boosting efficiency. The next steps involve conducting injection tests in Sector 7-8 for further enhancements.

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Enhancements in Magnet Performance and Efficiency: MPP Meeting Agenda - August 13, 2008

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  1. MPPMain Ring Magnet Performance Panel Meeting Wednesday 13 August 2008 Agenda: General information ECR for improvement of dependability of 60 A software interlock. M. Zerlauth Results of the simulations for the different spare quench heaters reconfigurations in MB magnets. N. Schwerg Status of the 600 A circuits ramp rate and acceleration parameters. W. Venturini Delsolaro Matters arising

  2. Injection test in Sector 2-3

  3. ETLT Injection test in Sector 2-3 Stopping the beam Stefano Redaelli

  4. Injection test in Sector 2-3 • Main objectives: • Injection • Energy matching • Dispersion measurement • Aperture scans • Trajectory corrections • Intensity threshold for BPM system • BLM measurements • …

  5. Injection test in Sector 2-3 • Tests with beam (single bunch) • Pilot Beam for the most part: • single bunch of 5 - 10 x 109 protons • Beam emittance: 1 µm • Momentum spread: nominal • Nominal tunes, nominal magnetic machine • Total intensity injected: • 1 x 1013 protons

  6. Injection test in Sector 2-3 - First beam to IR3

  7. Injection test in Sector 2-3 - First beam to IR3

  8. Injection test in Sector 2-3 - First beam to IR3

  9. Injection test in Sector 2-3 • Trajectory measurements and corrections

  10. Injection test in Sector 2-3 • Aperture scans

  11. Injection test in Sector 2-3 - First BLM data

  12. Main issues relevant for MPP • First beam induced quench in RB

  13. Main issues relevant for MPP

  14. Main issues relevant for MPP • Induced quenches in 600A circuits due to FPA

  15. Main issues relevant for MPP • QH Power Supply in RB • Replacement needed • First intervention in the tunnel with RP team • Trip of RQT13 • Discharge of QH in RQD

  16. Summary • The sector test has to be regarded as very successful • Essential step towards circulating beams and the LHC startup • MPP contribution • MPP has significantly improved efficiency of the injection test in sector 1-2 • Contribution was appreciated by other participating teams • Very useful exercise for participating MPP experts

  17. Next step - Injection test in Sector 7-8

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