Title :
Design and verification of a 24 kA calibration head for a DCCT test facility [LHC current control]
Author :
Fernqvist, Gunnar ; Jorgensen, Hans-Erik ; Saab, Alfredo
Author_Institution :
CERN, Geneva, Switzerland
fDate :
4/1/1999 12:00:00 AM
Abstract :
The Large Hadron Collider is CERN´s next particle accelerator project, scheduled for commissioning in 2005. The project requires accurate current measurements above 10 kA. Calibration heads have been developed in collaboration with industry to work up to 24 kA with a relative measurement uncertainty of 10-6. This paper describes the design and verification of these heads
Keywords :
accelerator RF systems; accelerator control systems; calibration; colliding beam accelerators; commissioning; current comparators; current transformers; electric current control; electric current measurement; measurement uncertainty; particle accelerator accessories; storage rings; test facilities; 10 to 24 kA; DC current transducer test facility; Large Hadron Collider; accurate current measurements; calibration head design; current comparator; current control; external field influence; ratio accuracy tests; relative measurement uncertainty; toroidal measuring head; verification; zero flux detector; Calibration; Current measurement; Feedback; Laboratories; Large Hadron Collider; Magnetic heads; Superconducting magnets; Testing; Transducers; Voltage;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
