The HL-LHC High Order Correctors Series Production and Powering Tests Status

INFN is developing at the LASA lab (Milano, Italy) the High Order (HO) corrector magnets for the High Luminosity-LHC (HL-LHC) project, which will equip the new interaction regions. All the HO correctors, from skew quadrupole to dodecapole, are based on a novel superferric design, never used so far i...

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Published in:IEEE transactions on applied superconductivity Vol. 32; no. 6; pp. 1 - 5
Main Authors: Statera, M., Broggi, F., De Matteis, E., Imeri, L., Leone, A., Mariotto, S., Paccalini, A., Pasini, A., Pedrini, D., Prioli, M., Rossi, L., Sorbi, M., Todero, M., Uva, C., Valente, R., Gautheron, E., Musso, A., Todesco, E., Campaniello, M., Canetti, M., Gangini, F., Manini, P., Santini, C., Zanichelli, A.
Format: Journal Article
Language:English
Published: New York IEEE 01.09.2022
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Accelerator magnets
CERN
Coils
corrector magnets
Design optimization
Hi-Lumi LHC
Learning curves
Luminosity
magnet training
Magnetic field measurement
Magnetic fields
Magnetic flux
Magnetic measurement
Magnets
Modular construction
multipole
Probes
Production
Quadrupoles
Quality assurance
series production
superconducting coils
superconducting magnet
Superconducting magnets
superferric magnet
test facility
Transfer functions
ISSN:1051-8223, 1558-2515
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Abstract INFN is developing at the LASA lab (Milano, Italy) the High Order (HO) corrector magnets for the High Luminosity-LHC (HL-LHC) project, which will equip the new interaction regions. All the HO correctors, from skew quadrupole to dodecapole, are based on a novel superferric design, never used so far in high energy colliders, which allows a relatively simple, modular, and easy way to construct a magnet. The series production is ongoing after the completion of the five prototypes program; all the 54 series magnets have been produced in the industry and the testing at LASA is ongoing. The delivery to CERN also started. We discuss the design optimizations introduced and the lessons learned during the first half of the series production. We also focus on the quality assurance plan, which allowed us to early detect non-conformities and monitor the learning curve. The testing station at LASA is fully operational, four magnets per cool down are tested. Each magnet is powered individually, and the magnetic measurement system, supplied by CERN, provides field quality and transfer function. We provide an overview of the performed tests and measurements, focusing on the test station's performance and quality of the measurements. Finally, we provide an outlook of the production completion, test plan and delivery to CERN.
AbstractList INFN is developing at the LASA lab (Milano, Italy) the High Order (HO) corrector magnets for the High Luminosity-LHC (HL-LHC) project, which will equip the new interaction regions. All the HO correctors, from skew quadrupole to dodecapole, are based on a novel superferric design, never used so far in high energy colliders, which allows a relatively simple, modular, and easy way to construct a magnet. The series production is ongoing after the completion of the five prototypes program; all the 54 series magnets have been produced in the industry and the testing at LASA is ongoing. The delivery to CERN also started. We discuss the design optimizations introduced and the lessons learned during the first half of the series production. We also focus on the quality assurance plan, which allowed us to early detect non-conformities and monitor the learning curve. The testing station at LASA is fully operational, four magnets per cool down are tested. Each magnet is powered individually, and the magnetic measurement system, supplied by CERN, provides field quality and transfer function. We provide an overview of the performed tests and measurements, focusing on the test station's performance and quality of the measurements. Finally, we provide an outlook of the production completion, test plan and delivery to CERN.
Author Todesco, E.
Santini, C.
Todero, M.
Uva, C.
Canetti, M.
Campaniello, M.
Broggi, F.
Pasini, A.
Valente, R.
Gangini, F.
Pedrini, D.
Mariotto, S.
Paccalini, A.
Musso, A.
Gautheron, E.
Imeri, L.
Rossi, L.
Statera, M.
Prioli, M.
Manini, P.
De Matteis, E.
Leone, A.
Sorbi, M.
Zanichelli, A.
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SubjectTerms Accelerator magnets
CERN
Coils
corrector magnets
Design optimization
Hi-Lumi LHC
Learning curves
Luminosity
magnet training
Magnetic field measurement
Magnetic fields
Magnetic flux
Magnetic measurement
Magnets
Modular construction
multipole
Probes
Production
Quadrupoles
Quality assurance
series production
superconducting coils
superconducting magnet
Superconducting magnets
superferric magnet
test facility
Transfer functions
Title The HL-LHC High Order Correctors Series Production and Powering Tests Status
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