The coil of the MBI bending magnets for the LHC injection transfer lines

All MBI bending magnets in each of the two LHC injection transfer lines will be powered in series. The limited output voltage of existing power converters lead to an unusual coil design avoiding external return bus-bars by combining two overlapping half-coils, electrically separated, with 3 1/2 turn...

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Detalles Bibliográficos
Autores principales: Labutsky, S A, Mejidzade, V, Pupkov, Yu A, Rouvinsky, E, Sukhina, B
Lenguaje:eng
Publicado: 2002
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.1109/TASC.2002.1018388
http://cds.cern.ch/record/590804
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author Labutsky, S A
Mejidzade, V
Pupkov, Yu A
Rouvinsky, E
Sukhina, B
author_facet Labutsky, S A
Mejidzade, V
Pupkov, Yu A
Rouvinsky, E
Sukhina, B
author_sort Labutsky, S A
collection CERN
description All MBI bending magnets in each of the two LHC injection transfer lines will be powered in series. The limited output voltage of existing power converters lead to an unusual coil design avoiding external return bus-bars by combining two overlapping half-coils, electrically separated, with 3 1/2 turns each in a monolithic structure. The voltage between turns in one coil can reach up-to 3.6 kV. The coil has been designed with particular care for obtaining high interturn and ground insulation. Flux-free soldering of connections with plug-in cone sleeves is applied, allowing to execute water cooled current connections as prolongation of the coil conductor. Epoxy compound polymerization in the impregnation mould is obtained by passing overheated water in regulated cycles through the water circuit of the coil conductor. We describe the design basics as well as various test results of pre-series and series produced coils. (4 refs).
id cern-590804
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2002
record_format invenio
spelling cern-5908042019-09-30T06:29:59Zdoi:10.1109/TASC.2002.1018388http://cds.cern.ch/record/590804engLabutsky, S AMejidzade, VPupkov, Yu ARouvinsky, ESukhina, BThe coil of the MBI bending magnets for the LHC injection transfer linesAccelerators and Storage RingsAll MBI bending magnets in each of the two LHC injection transfer lines will be powered in series. The limited output voltage of existing power converters lead to an unusual coil design avoiding external return bus-bars by combining two overlapping half-coils, electrically separated, with 3 1/2 turns each in a monolithic structure. The voltage between turns in one coil can reach up-to 3.6 kV. The coil has been designed with particular care for obtaining high interturn and ground insulation. Flux-free soldering of connections with plug-in cone sleeves is applied, allowing to execute water cooled current connections as prolongation of the coil conductor. Epoxy compound polymerization in the impregnation mould is obtained by passing overheated water in regulated cycles through the water circuit of the coil conductor. We describe the design basics as well as various test results of pre-series and series produced coils. (4 refs).oai:cds.cern.ch:5908042002
spellingShingle Accelerators and Storage Rings
Labutsky, S A
Mejidzade, V
Pupkov, Yu A
Rouvinsky, E
Sukhina, B
The coil of the MBI bending magnets for the LHC injection transfer lines
title The coil of the MBI bending magnets for the LHC injection transfer lines
title_full The coil of the MBI bending magnets for the LHC injection transfer lines
title_fullStr The coil of the MBI bending magnets for the LHC injection transfer lines
title_full_unstemmed The coil of the MBI bending magnets for the LHC injection transfer lines
title_short The coil of the MBI bending magnets for the LHC injection transfer lines
title_sort coil of the mbi bending magnets for the lhc injection transfer lines
topic Accelerators and Storage Rings
url https://dx.doi.org/10.1109/TASC.2002.1018388
http://cds.cern.ch/record/590804
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