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LIU-SPS-200 MHz Power Upgrade

LIU-SPS-200 MHz Power Upgrade. SPS point 3 LSS3 rearrangement. SPS 200 MHz RF power: some history. 1990. 1980. 2000. 2010. 2010. The RF-SPS started up in 1976 with two accelerating cavities (technical specs were written in 1971)

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LIU-SPS-200 MHz Power Upgrade

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  1. LIU-SPS-200 MHz Power Upgrade SPS point 3 LSS3 rearrangement Eric Montesinos / CERN-BE-RF-SR

  2. SPS 200 MHz RF power: some history 1990 1980 2000 2010 2010 • The RF-SPS started up in 1976 with two accelerating cavities (technical specs were written in 1971) • For the new role of the SPS as proton-antiproton collider, since 1980, there are four cavities operating @ 200 MHz in the SPS 1970 1976 TWC#1 / TX1 TWC#2 / TX2 1980 TWC#1 / TX1+TX2 TWC#2 / TX3+TX4 TWC#3 / TX5+TX6 TWC#4 / TX7+TX8 Configuration of one of the four 200 MHz power plant 1 mW 1 MW Coaxial transmission line 125 to 160 meters RF amplifier Accelerating cavity Eric Montesinos / CERN-BE-RF-SR

  3. Sections and Cavity One section : 11 drift tubes A cavity is composed of sections of cavity One 4 sections cavity Eric Montesinos / CERN-BE-RF-SR

  4. Cavities redistribution 2011 : 4 cavities 2 x 4 sections 2 x 5 sections + 3 spare sections 2018 : 6 cavities 2 x 4 sections 4 x 3 sections + 1 spare section Eric Montesinos / CERN-BE-RF-SR

  5. New RF power plant • Amplifier study • Tunnel integration • New RF Building New RF Building 1 mW 1.7 MW RF amplifier Coaxial transmission line 125 to 160 meters 1 mW 1.7 MW RF amplifier Accelerating cavity Accelerating cavity Eric Montesinos / CERN-BE-RF-SR

  6. LSS3 (1999) Eric Montesinos / CERN-BE-RF-SR

  7. Cavities re-arrangement Straight section • It will be a challenge to re-arrange the whole area • 8 cavities in 4 sectors : 6 TWC200 + 2 TWC800 • 2 x 3 sections cavities fit in a sector • 1 x 4 sections cavities + 1 x TWC800 • Re-use of the ex-SWC sectors (314-321) to re-arrange the pickups (and the dampers ?) 317 314 315 316 318 319 320 321 317 314 315 316 318 319 320 321 Eric Montesinos / CERN-BE-RF-SR

  8. Cavities re-arrangement • Due to a realignment campaign, we already disassembled all the cavities between 2001 and 2004 • We know all the specific needed components, tooling, transport system • We also checked the coaxial lines distribution: difficult, but possible Eric Montesinos / CERN-BE-RF-SR

  9. 2011 Eric Montesinos / CERN-BE-RF-SR

  10. ? 3 3 800 MHz 4 ? 3 3 800 MHz 4 2018 Eric Montesinos / CERN-BE-RF-SR

  11. Eric Montesinos / CERN-BE-RF-SR

  12. Item identification We have listed all items, with their mechanical length, optic, specific position. We miss information -> to be done Eric Montesinos / CERN-BE-RF-SR

  13. Draft schedule Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7 2011 2012 2013 2018 2014 2015 2016 2017 Cavity re-arrangement within a LS ( > 6 months) RF : Studies Tendering MS Build new hardware Install Tunnel : Studies Commissioning Build New hardware Installation phase 1 (pickups + dampers) Installation phase 2 (cavities) Building : Studies Authorizations Building Services Eric Montesinos / CERN-BE-RF-SR

  14. Persons in charge • BE-RF : Eric, Thomas, Wolfgang • Integration : Frédéric • CV : Michel • EN : Guillaume, Christophe • VAC : Paolo • Transport : Pascal, Serge • Survey : Patrick • Optic : Yannis • BI : Christian • Safety : Guillaume Eric Montesinos / CERN-BE-RF-SR

  15. Next meeting • Identify all owners • fill in excel table (please by end of next week) • Is there any strong showstopper ? • Optic • Vacuum • Cooling • Cabling • Transport • Safety • Can LSS3 host Dampers ? • Vacuum re-sectorization • New vacuum valves • Vacuum pumps under cavities : new model ? • List all work to be done during LS1 (=12 months ~ 2013) Eric Montesinos / CERN-BE-RF-SR

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