Quench Performance of the LHC Insertion Magnets

After final installation in the LHC tunnel, the MQM and MQY quadrupole magnets of the LHC insertions are now being commissioned to their nominal currents. These two types of magnets operate at 1.9 K and 4.5 K and with nominal currents ranging from 3600 A to 5390 A. From the very first acceptance tes...

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Detalles Bibliográficos
Autores principales: Lasheras, N C, Delsolaro, W V, Siemko, A, Ostojic, R, Kirby, G
Lenguaje:eng
Publicado: 2009
Materias:
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1109/TASC.2009.2017708
http://cds.cern.ch/record/1269041
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author Lasheras, N C
Delsolaro, W V
Siemko, A
Ostojic, R
Kirby, G
author_facet Lasheras, N C
Delsolaro, W V
Siemko, A
Ostojic, R
Kirby, G
author_sort Lasheras, N C
collection CERN
description After final installation in the LHC tunnel, the MQM and MQY quadrupole magnets of the LHC insertions are now being commissioned to their nominal currents. These two types of magnets operate at 1.9 K and 4.5 K and with nominal currents ranging from 3600 A to 5390 A. From the very first acceptance tests of the bare magnets coming from the manufacturers, they have been powered using different cycles, in different configurations, at different temperatures and in different tests facilities. In this paper we present the global results of these powering tests. We aim at separating common from individual features of these groups of magnets. Temperature dependence of the training, temperature margin, and ultimate current can be extracted from these tests. As these magnets are used to match the optics and the dispersion in the machine, the projected ultimate current at which they can be operated is critical in view of operation of LHC.
id cern-1269041
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2009
record_format invenio
spelling cern-12690412019-09-30T06:29:59Zdoi:10.1109/TASC.2009.2017708http://cds.cern.ch/record/1269041engLasheras, N CDelsolaro, W VSiemko, AOstojic, RKirby, GQuench Performance of the LHC Insertion MagnetsDetectors and Experimental TechniquesAfter final installation in the LHC tunnel, the MQM and MQY quadrupole magnets of the LHC insertions are now being commissioned to their nominal currents. These two types of magnets operate at 1.9 K and 4.5 K and with nominal currents ranging from 3600 A to 5390 A. From the very first acceptance tests of the bare magnets coming from the manufacturers, they have been powered using different cycles, in different configurations, at different temperatures and in different tests facilities. In this paper we present the global results of these powering tests. We aim at separating common from individual features of these groups of magnets. Temperature dependence of the training, temperature margin, and ultimate current can be extracted from these tests. As these magnets are used to match the optics and the dispersion in the machine, the projected ultimate current at which they can be operated is critical in view of operation of LHC.oai:cds.cern.ch:12690412009
spellingShingle Detectors and Experimental Techniques
Lasheras, N C
Delsolaro, W V
Siemko, A
Ostojic, R
Kirby, G
Quench Performance of the LHC Insertion Magnets
title Quench Performance of the LHC Insertion Magnets
title_full Quench Performance of the LHC Insertion Magnets
title_fullStr Quench Performance of the LHC Insertion Magnets
title_full_unstemmed Quench Performance of the LHC Insertion Magnets
title_short Quench Performance of the LHC Insertion Magnets
title_sort quench performance of the lhc insertion magnets
topic Detectors and Experimental Techniques
url https://dx.doi.org/10.1109/TASC.2009.2017708
http://cds.cern.ch/record/1269041
work_keys_str_mv AT lasherasnc quenchperformanceofthelhcinsertionmagnets
AT delsolarowv quenchperformanceofthelhcinsertionmagnets
AT siemkoa quenchperformanceofthelhcinsertionmagnets
AT ostojicr quenchperformanceofthelhcinsertionmagnets
AT kirbyg quenchperformanceofthelhcinsertionmagnets

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