1 / 10

PSB Start-up 2014

PSB Start-up 2014. K. Hanke for the PSB OP and Supervisor Team. MSWG 15/08/2014. KH. Key Dates. b eam to PS. e nd LS1. b eam to PSB. 13 May start cco 23 May DSO test 2 June beam injected 19 June first beam to PS 24 July first beam to ISOLDE. TODAY. b eam to ISOLDE. MSWG 15/08/2014.

emerald-england
Télécharger la présentation

PSB Start-up 2014

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. PSB Start-up 2014 K. Hanke for the PSB OP and Supervisor Team MSWG 15/08/2014 KH

  2. Key Dates beam to PS end LS1 beam to PSB • 13 May start cco • 23 May DSO test • 2 June beam injected • 19 June first beam to PS • 24 July first beam to ISOLDE TODAY beam to ISOLDE MSWG 15/08/2014 KH

  3. Some Words on the Cold Check-out • with the end of the hw test period, the shutdown is over and there is no more access to the machine, except for emergency interventions; all maintenance work is supposed to be completed • point (1) was not respected by all equipment groups • the septum leak intervention “leaked” slightly into the cco period (but this is of course excused) • delayed items comprised: dump ventilation and cabling for dump ventilation; cabling for beam stoppers • otherwise the cco went reasonably well, and the allocated time was sufficient MSWG 15/08/2014 KH

  4. Start-up • beam permit signed Friday 30 May (after sorting out some fencing issues at the surface • Monday 2 June first beam injected into the BI line around lunch time • first beam (4E10) injected in R3, lost after 5 ms • afternoon small intensity accelerated in all 4 rings • Tuesday-Wednesday optimising injection, debugging instrumentation, RF setting up Monday Tuesday MSWG 15/08/2014 KH

  5. Beam Instrumentation Issues • no injection BPM acquisition available • no extraction BPM acquisition available; steering with screens • SEM grids vertical plane not working • some issues with applications • BLMs: many not working (still ongoing) • etcetc • long list of BI issues being worked on during the first weeks of operation MSWG 15/08/2014 KH

  6. Beam Instrumentation Issues injection trajectories ejection trajectories MSWG 15/08/2014 KH

  7. Other Problems • FGC3s had many issues • ISOLDE line bending magnets pulsing at wrong values, in particular BTY.BVT301 which switches between the two targets (only BIC prevented…) • access system: many issues concerning all machines, patrols lost, etc. • beam stoppers: cabling was not ready, which led to beam being dumped on the beam stoppers (not authorized) • cotton in the cooling circuits of the magnets, led to overheating of two magnets and tripped the MPS • short circuit on BT.BHZ10, longer intervention • BTY line quadrupole and steerers with inverted polarity • wrong alignment of the injection pick-ups •  in particular for the safety relevant systems (e.g. ISOLDE bendings, beam stopper) the check out needs to be more rigorous, maybe signature? MSWG 15/08/2014 KH

  8. Start-up Summary • first beam in the machine rapidly • controls reasonably OK, issues attacked as they arose; the CO dry runs and good preparation paid off • new LL RF successfully commissioned, RF specialists were working round the clock and did a great job • many, many issues, in particular related to BI • first beams prepared: ISOLDE; then a h1 for PS setting up followed by EAST, TOF, AD • today: we are at ~2600E10 for ISOLDE (nominal >3000); we have not yet SFTPRO, nor the LHC-type beams • 2 ½ months after first beam, we are still not at nominal performance • this gives us a first idea of what we have to expect after LS2 MSWG 15/08/2014 KH

  9. 2012 PSB Start-up K.Hanke for the PSB OP & SV team

  10. 2014 PSB Start-up http://www.darbaroud.com/en/

More Related