Power supplies for the LNLS 500-MeV booster synchrotron

Brazilian National Synchrotron Light Laboratory (LNLS) has commissioned its 500-MeV booster synchrotron machine. In this paper we present an overview of the magnet power supply system comprised by precise (better than 10 ppm) current supplies ranging from 5 A to 300 A, with powers of a few watts to...

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Bibliographic Details
Main Authors: Lira, A.C., Silva, A.R., Oliveira, L.H., Monteiro, G.
Format: Conference Proceeding
Language:English
Subjects:
Choppers
Circuit topology
Current supplies
Laboratories
Linear particle accelerator
Power supplies
Storage rings
Switched-mode power supply
Synchrotrons
Voltage
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Summary:Brazilian National Synchrotron Light Laboratory (LNLS) has commissioned its 500-MeV booster synchrotron machine. In this paper we present an overview of the magnet power supply system comprised by precise (better than 10 ppm) current supplies ranging from 5 A to 300 A, with powers of a few watts to 126 kW, and current ripple of 0.02 to 0.1% relative to the maximum current. As the booster operates also as a storage ring, a special ramped current power supply had to be designed for the dipole magnets in order to accomplish both requirements of fast ramping up (1.9 s) and precise DC operation.
DOI:10.1109/PAC.2001.988225