학술논문

A Statistical Analysis of Electrical Faults in the LHC Superconducting Magnets and Circuits
Document Type
Periodical
Source
IEEE Transactions on Applied Superconductivity IEEE Trans. Appl. Supercond. Applied Superconductivity, IEEE Transactions on. 28(3):1-5 Apr, 2018
Subject
Fields, Waves and Electromagnetics
Engineered Materials, Dielectrics and Plasmas
Superconducting magnets
Large Hadron Collider
Circuit faults
Magnetic circuits
Magnetomechanical effects
Magnetic separation
Insulation
statistics
LHC
electrical fault
Language
ISSN
1051-8223
1558-2515
2378-7074
Abstract
The large hadron collider (LHC) at CERN has been operating and generating physics experimental data since September 2008, and following its first long shut down, it has entered a second, 4-year-long physics run. It is to date the largest superconducting installation ever built, counting over 9000 magnets along its 27-km long circumference. A significant operational experience has been accumulated, including the occurrence and consequences of electrical faults at the level of the superconducting magnets, as well as their protection and instrumentation circuits. The purpose of this paper is to provide a first overview of the most common electrical faults and their frequency of occurrence in the first years of operation, and to perform a statistical analysis that can provide reference values for future productions of similar dimensions and nature.