2. TE/EPC activities for YETS 2017-2018 & LS2 LINAC 2-3, PSB, PS & TT2
coordination meeting
Yves Gaillard, Serge Pittet TE/EPC
on behalf of TE/EPC colleagues

3. TE/EPC activities during
CONTENT
TE/EPC activities during
YETS
Linac 2:
Replacement of LT.BHZ20 power converter
Linac 3:
Upgrade of Maxidiscap converters in Linac3/LEIR transfer line
Replacement of pulsed converters in Linac3/LEIR transfer line
PSB
Busbar interconnection for new reference magnet
QSTRIP power converters
Installation of the new power converters for PSB injection BSW magnets (stripping foil) PS
POPS degraded mode N1 to be tested
PS-MPS (motor/generator set) tests on PS magnets
Installation of new power converters for 40/80MHz RF cavities
L3-PSB-PS
FGC- Ether installation
TE/EPC activities during
LS2
Linac 2:
Power converter consolidation on LT and LTB transfer lines
PSB:
LIU - Upgrade of power converters
PS/TT2:
CONS - Upgrade of power converters

4. Replacement of LT.BHZ20 power converter + 1 spare
LINAC2
Replacement of LT.BHZ20 power converter + 1 spare
YETS
LT.BHZ20 in b.363
(APOLO 2p)
LT.BHZ20 in b.355
(old TEKELEC)
Done:
Power converters delivered and operating on test load
Temporary AC supply and water cooling until LS2
Validation of Beam Permit to L2 Control Room
To do during YETS:
Disconnect existing DC magnet cables (to bat 355)
Connect new DC magnet cables (already installed, to bat 363)
Move EIS/PAS connection to new converter (cabling already prepared)
Commissioning of the converters with FGC3 (class 63, incl. destination)
1 week testing (Feb 2018)
Machine closed
WHEN:
WHERE:
Bdg. 363
Technical responsible:
ECR:
Christophe MUTIN
EDMS

5. Upgrade of Maxidiscap converters in Linac3/LEIR transfer line
YETS
Description:
Maxidiscap used for the pulsed quadrupole magnets (QDN,QFN) will be upgraded to allow RegFGC3 control and connection to the WIC.
Status:
Done:
Reg. FGC3 crate produced
To do during YETS:
Replacement old control crate by Reg FC3.
Cabling of FGC ether and 230V sockets
WIC Connections
MIL-1553
Reg FGC3
Project type:
LIU-Ions
WHEN:
8 first weeks of 2018
WHERE:
351 / 150
Technical responsible:
Stephane JOFFE
ECR:
EDMS

6. Replacement of pulsed converters in Linac3/LEIR transfer line
YETS
Description:
Minidiscap converters will be replaced by new Mididiscap converters for the supply of pulsed dipoles magnets (DHZ,DVT) in Linac3/LEIR transfer line to allow RegFGC3 control and connection to the WIC.
MIL-1553
Status:
Done:
Power converters produced
To do during YETS:
Power converters installation
Cabling of FGC ether and 230V sockets
WIC Connections
Reg FGC3
Project type:
ACC-CONS
WHEN:
8 first weeks of 2018
WHERE:
351
Technical responsible:
Christophe MACHADO
ECR:
EDMS

7. Busbar interconnection for new reference magnet
PSB
Busbar interconnection for new reference magnet
YETS
Description:
As part of the POPSB project a new busbar will be installed in building 361 close to the actual reference magnet.
This busbar will allow us to connect the new reference magnet which will be installed in b245.
Status:
Done:
Power cables installed
To do during YETS:
DCCT rack moving 90°
Busbar installation
Cable heads manufacturing
WHEN:
January 2018
WHERE:
361
Technical responsible:
Arnaud BESSONNAT
PLAN:
10311

8. QSTRIP power converters
PSB
QSTRIP power converters
YETS
CANCUN ±100A; ±30V
Description:
Installation of one post-LS2 Qstrip power converter for loops fine tuning during MD period.
Existing infrastructure of a spare corrector will be used (rack, Ethernet, AC,…)
Type: RF25kV (25kV/8A)
Status:
To do during YETS:
Installation of one power converter
DC cables installation
WHEN:
Commissioning: February 2018
WHERE:
Building 361
Technical responsible:
Louis DE MALLAC
EDMS:

9. PSB YETS 2017-2018 WHERE: WHEN: Bld. 361/BRF2
New Alcove Construction for PSB Injection BSW (stripping foil) Power Converter’s Pulse Transformers
YETS
For the new 160MeV beam injection from Linac4 into the PSB, a new set of slow bumper magnets (BSW) has to be supplied by new power converters using pulse transformers.
Pulse transformers
Status:
Done: Converters installed / Alcove ready
In progress: pulse transformers final mounting
To do during YETS: Transport & Install pulse Transformers + Cabling
New Alcove
WHEN:
WHERE:
During second part of YETS 17/18
Bld. 361/BRF2
Technical responsible:
ECR:
Ch. COUPAT
PSB-K-EC-0002

10. To be tested PS POPS activities YETS 2017-2018 General Maintenance
Test degraded mode:
To be tested
Normal mode
Degraded mode N2 has no impacts on physics
Degraded mode N1 limits the number of executable cycles to half
When:
February 2018
Time request:
3 days during Hardware test period
Technical responsible:
Fulvio BOATTINI

11. Not used in 2017  No SIEMENS Maintenance PS
MPS activities YETS
YETS
Not used in  No SIEMENS Maintenance
 Only standard CERN Maintenance
To do during YETS17/18:
Annual test: PS magnet pulsed with PS-MPS
Time request:
1 or 2 days
19/20 December 2017 before PS access
Technical responsible:
Yves GAILLARD

12. PS Installation of new power converters for 40/80MHz RF cavities
YETS
In the current situation, there are five power converters installed in building 151.
These 20 years old converters are rated to 100kW (24kV/4A) and will be replaced by five 200kW (25kV/8A) converters plus one spare.
Status:
Done:
One power converter installed.
To do during YETS:
Installation of five power converters.
New supporting structure for the 6th power converter + services + FGC3 Ethernet cable.
Five HV DC cables to be installed from bld.355 to RF cavities + patch panel in bld.355.
Type: RF25kV (25kV/8A)
WHEN:
Commissioning: February 2018
WHERE:
Building 355
Technical responsible:
PS-R-EC-0001
EDMS for the 6th converter
Louis DE MALLAC
ECR:

13. L3-PSB-PS FGC-Ether installation YETS 2017-2018 Technical responsible:
Description:
FGC-Ether is the network that connecting the converter to a gateway allows the CCC to control and exchange information with any FGC3-based Converter.
Building
PLAN
Project
Activities
Commissioning time
Cabling
Gateway
245
10311
Booster MPS Trims
Required
half day
150
LINAC 3 - LEIR
351
11460 / 11459
355
PS-R-EC-0001
RF25Kv
361
10290
LIU MegaDiscap
10297
LIU - SIRIUS BSW
Type: RF25kV (25kV/8A)
Status:
Done: all requests have been transferred to pertaining groups
To do during YETS: all tasks can only be executed whenever the required cables, converters, racks are in place.
Technical responsible:
J.L. GOMEZ-COSTA

14. L2 LIU – Upgrade of power converters LS2 WHEN:
On the LT and LTB transfer lines, the bending converters for the LINAC4 project will be installed, and the existing power converters not directly affected by LINAC4 will be consolidated.
Status:
To do during LS2:
Install new racks for the Bending, Quad and Steerer power converters in building 363.
Install the power converters, their FGC3 controls, and controls infrastructure (gateways, Ethernet cabling).
Connect the AC and DC cables (new AC connection required, some new DC cables required).
Connect the interlock cables (WIC, BIS).
Commission converters with and without beam.
Type: RF25kV (25kV/8A)
WHEN:
Commissioning: April 2020
WHERE:
363
Technical responsible:
Stephane JOFFE
Pre ECR:

15. PSB LIU – Upgrade of power converters LS2 WHEN:
POPS B
Bldg 245
Status:
Done:
Correctors power converters
To do during LS2:
Almost all remaining power converters
Test on PSB Magnet with new POPS-B: Dec.2018, Apr/May 2019 RF25kV (25kV/8A)
Detailed information available at
Injection:
2GeV:
WHEN:
Commissioning: April 2020
WHERE:
245, 271, 361
Technical responsible:
Serge PITTET & Al.
ECR:
Expected April 2018

16. PS/TT2 SIRIUS LIU – Upgrade of power converters LS2 WHEN:
Status:
To do during LS2:
Project
Responsible
Activity
Number of PC
Where
Inj. PS Bumpers (BSW 40, 41, 43, 44)
J.M. Cravero
Dismantling old conv., Installation SIRIUS_F2P
4+1
365
inj. PS Bumper (BSW 42)
Dismantling old conv., Installation SIRIUS F2P2S
1+1
inj. PS Septa (SMH 42)
J.M. Cravero &
T. Todorcevic
Dismantling old conv., Installation MARXDISCAP
361
inj. PS Low Beta Quadrupoles
Installation & commissioning MAXIDISCAP_modif
Vertical IPM power converter
Unknown
Installation & commissioning (Type TBD) 1
TT2 transfer line power converters
K. Papastergiou
Dismantling old conv., Installation SIRIUS +CANCUN
39+4
269
Type: RF25kV (25kV/8A)
Detailed information available at
WHEN:
Commissioning: April 2020
ECR:
Expected April 2018

17. PS/TT2 CONS – Upgrade of power converters LS2 WHEN:
Status:
To do during LS2:
Project
Responsible
Activity
Number of PC
Where
PS capa. discharge with MARX
T. Todorcevic
Dismantling old conv.,
Installation MARXDISCAP
8+2
365
PS Gamma Transition
(Doublets-triplets)
N. David
Conv. Modification & commissioning 6
PS BSW26
J.-M. Cravero
Dismantling old conv., Installation MAXIDISCAP_modif 1
SMH57-61 Control Upgrade
S.Pittet
Upgrade the GEREG controller to a FGC3 2
356
Type: RF25kV (25kV/8A)
WHEN:
Commissioning: April 2020
ECR:
Expected April 2018