CERN Accelerating science

Article
Report number	LHC-Project-Report-416 ; CERN-LHC-Project-Report-416
Title	The Electrical Distribution Feed Box for the LHC Prototype Cell
Author(s)	Hauviller, Claude ; Ivanov, P M ; Poncet, Alain ; Sacré, P ; Trilhe, P
Affiliation	(CERN) ; (Budker Inst. Nucl. Phys. Novosibirsk)
Collaboration	CERN-Russia Collaboration
Publication	2000
Imprint	23 Sep 2000
Number of pages	4
In:	7th European Particle Accelerator Conference, Vienna, Austria, 26 - 30 Jun 2000, pp.e-proc. 2217
Subject category	Accelerators and Storage Rings
Accelerator/Facility, Experiment	CERN LHC
Abstract	The Electrical Distribution Feed Box (DFB) for the Large Hadron Collider (LHC) Prototype Cell (String 2) is a 6 meter-long 4.6 K / 0.135 MPa liquid helium cryostat which supports and cools 13 kA and 600 A High-Temperature Superconductor (HTS) current leads. These are used for powering the String 2 main dipole and quadrupole superconducting magnets, together with their correctors. The DFB also incorporates the l-plate between its saturated liquid helium bath and the magnet pressurized superfluid helium bath at 1.9 K/ 0.13 MPa. The DFB is built within the frame of a collaboration between CERN and the Budker Institute of Nuclear Physics (Novosibirsk, Russian Federation). It is a complex cryostat satisfying a number of constraints (space available, accessibility, integration) and combining different technologies such as mechanical and electrical engineering, superconductivity, cryogenics and vacuum. The current status of the design and construction of the DFB for the LHC Prototype Cell, together with an outlook towards the LHC arc DFB's, is given.

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