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Superconducting links: PIC, US1, US2 A. Ballarino

Superconducting links: PIC, US1, US2 A. Ballarino. 3 rd RLIUP Preparation Meeting Wednesday, 11 th of September. LHC Critical Areas. RR73 UJ76 RR77. Markus Brugger, R2E Study Group, 2010. A summary of the needs at P7, P1 and P7 and proposals for discussion. Superconducting Links at P7.

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Superconducting links: PIC, US1, US2 A. Ballarino

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  1. Superconducting links: PIC, US1, US2A. Ballarino 3rd RLIUP Preparation Meeting Wednesday, 11th of September

  2. LHC Critical Areas RR73UJ76RR77 Markus Brugger, R2E Study Group, 2010

  3. A summary of the needs at P7, P1 and P7 and proposals for discussion Superconducting Links at P7 Shaft and lift access P7, replacement of today DFBA and DFBM 600 A circuits 2 Links, each with 48 cables and about 500 m long New DFBs installed underground- TZ76. Links running underground in the tunnel Reason for intervention: removal of PCs from radiation areas + ALARA + Reduced time for interventions Power converters in UJs already moved to safe area (UJ 76). Still power converters in RR Development of radiation hard power converters on-going Link development well advanced. Detailed integration studies in the tunnel now required Proposed installation of links during LS2 Classified as PIC LHC Tunnel

  4. Superconducting Links at P1 and P5 P1andP5 Hi-Luminosity Triplets+D1+CP, replacement of today DFBX in UJs. 20 kA, 4 kA, 0.4 kA and 0.12 kA circuits 2 Links, each with 32 cables and about 300 m long New DFBs installed at the surface Reason for intervention: High Luminosity Upgrade (PIC) + removal of PCs from radiation areas + ALARA + Reduced time for interventions Installation during LS3 Classified as PIC P1 and P5 MSs, replacement of today DFBLs in RRs. 6 kA, 0.12 kA circuits today – to be upgraded with higher currents for Q4 2 Links, each with 22 cables and about 300 m long New DFBs installed at the surface Reason for intervention: MS Upgrade (US1 ?) + removal of PCs from radiation areas (SC Links vs. Radiation hard PCs) + ALARA + Reduced time for interventions Installation during LS3 ? Classified as PIC for SEEs, US1 for upgrade of MSs

  5. Superconducting Links at P1 and P5 P1andP5 , replacement of today DFBAs in RRs 6 kAand 0.6 kA circuits 2 Links, each with 40 cables and about 300 m long New DFBs installed at the surface Reason for intervention: removal of PCs from radiation areas (SC Links vs. Radiation hard PCs) + ALARA + Reduced time for interventions Installation during LS2 ? Classified as PIC for SEEs

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