1. SPS activities during LS2 TE-EPC (Power Converter Group)
G. Le Godec
K. Kahle
Presented at SPS coordination meeting on

2. PLAN 10 341 Supply new converters for SPS TCDI
Project: LIU
Goal: New power converters for the upgrade of the passive protection system in the LHC injection transfer line,
Activities: relocate 2 converters from TI2-SR2 to TI8-SR8 and install 2 new converters in TI2-SR2
Functional specification:
ECR:
System level (M.Fraser): released,
Dedicated EPC ECR will be released Q3-Q
Location of the work: Surface building SR2-SR8
Duration of the work: LS2-TBD + Hardware test period
What is needed: all services ready for the commissioning

3. PLAN 10 363 Supply new converters for SPS RF Cavities
Project: LIU-CONS
Goal: New power converters for SPS_RF cavities,
Activities: installation 6 converters rated 1.7 MW+ load switches + dummy loads
Functional specification:
Pre-ECR:
Location of the work: Surface building BA3
Duration of the work:
LS2 + dedicated Hardware test period for BE/RF
Complete GDPM planning with all milestones:
What is needed: all services ready for the commissioning

4. PLAN 11 103 Relocate the eCloud test bench power converters
Project: LIU
Goal (initial): relocate existing power converters from BA5 to BA1,
EPC strategy: converters in BA5 are old and oversized. Proposal to install in BA1, 2 new optimised converters.
Functional specification and ECR: to be released in September
Location of the work: Surface building BA1
Duration of the work:
LS2-TBD + Hardware test period
Complete GDPM planning to be released
What is needed: all services ready for the commissioning

5. PLAN 11 145 Consolidate the SPS nCOD converters
Goal: Replace existing NCOD converters
Activities: install 370 x new converters (40 racks in 10 different buildings)
Functional specification: under approval
ECR preparation ongoing
Location of the work: all SPS surface buildings + SR2-SR8
Duration of the work: LS2-TBD + Hardware test period
What is needed: all services ready for the commissioning

6. PLAN 11228 Supply new Control Electronics for SPS main power converter
Resp.: O. Michels, C. Genton, Q. King
Goal: Equip all Dipole and Quadrupole converters with new regFGC3 digital control electronics,
Project description: EDMS
EPC strategy: First stage: current loop – DONE in 2016
Second stage: voltage loop – foreseen for LS2
Location of the work: BA1 – BA6 (surface work)
Duration of the work:
Installation during LS2 (installation and cabling done by TE-EPC)
Commissioning and powering tests: at the end of LS2
What is needed: All services (water, tunnel closed) for powering tests.
Single tests, powering tests of all individual stations plus entire system: duration total 5 weeks

7. PLAN 10364: Installation of new BEQ1 SVC for SPS
Resp.: K. Kahle, F. Blanquez, C. Genton, D. Denuziere
Goal: Replace the obsolete Static Var Compensator BEQ1 (with saturated reactor)
Project Description: EDMS (very high power: 150 Mvar, 10 MCHF project)
Activities:
Dismantle old SVC BEQ1 and dismantle old b. 887 with saturated reactor
Civil engineering: Renovate concrete platform 2500 m2
Install new SVC BEQ1
Location of work: Zone next to the BE substation (surface, outdoor installation)
Duration of work: Entire LS2
Contributions:
EN-HM for installation
EN-EL for electrical infrastructure
EN-CV for cooling water installation
SMB-SE for concrete platform
BE-ICS for fire detection system
SMB-SC for disposal of saturated reactor
BE-ICS for PVSS application
BE-OP for commissioning and test support with SPS machine
What is needed: All services for SPS powering tests with the SPS main converters (2 weeks)

8. PLAN 11747 Maintenance and Consolidation of Power Converter Transformers
Resp.: D. Denzuiere, A. Troller, K. Kahle
Goal: Maintenance, consolidation testing of a large number of power converter transformers,
Project description: EDMS (50 cast-resin transformers)
EDMS (25 oil transformers)
EPC strategy: Consolidate in a transformer factory critical transformers which are in bad shape
Renovate and re-test on-site the transformers where it is possible
Location of the work: BA1 – BA6 (surface work, transformer pits outside the BA’s)
Duration of the work:
Entire LS2
What is needed: Included into the powering tests

9. Hardware for the Power Converters (TE-EPC)
Resp.: O. Michels, C. Genton. K. Kahle, G. Le Godec
Goal: Make sure that all power converters are working fine
Commissioning tests of all new installations (SVC BEQ1, New SPS control electronics etc.)
What is needed: All services (water, general services, electricity)
Basis: We base the planning on our experiences from LS1. Similar procedure in 2 phases was used.
Duration of the HW tests: 4 weeks (tunnel open), plus 8 weeks Powering Tests (tunnel closed)
Phase 1: Pre-commissioning tests of about 300 converters AuxPS, duration 4 w. (tunnel open, but we need all services!)
Detailed schedule will be defined, with teams passing from BA to BA
We adapt to the schedule of other groups, e.g. EL and CV
Do we have the green light for our tests Phase 1?
Phase 2: Powering tests - 8 weeks at the end of LS2 (tunnel closed, magnets powering, SVCs ON, we need all services!)
Linkpersons BE-OP: S. Cettur, J. Ridewood