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Pulsed Magnet PS Calibration

Calibration value for the Y-section's pulsed magnet power supplies
The following is based on data collected by Brian Beaudoin, Chao Wu, and students, analyzed with help from Tim Koeth.  The power supply setting (in the control system) is indicated as "S".  The actual current to the magnet is "I".

Magnet
Multiplier
Offset

YQ
I =0.93
*S
+ 0.45

QR1
I =1.00 *S + 0.15


PD-Rec
I =1.1842 *S - 0.8107


PD-Inj
I =1.5254 *S + 0.5185 - I (PD-Rec)

Note the subtraction of the current of the recirculating PD (long pulse) from the current of the short-pulse power supply to get the actual current to the pulsed dipole on injection.

Note also that the data for YQ is over the range 7-9 A which is not the recommended operating point.  The calibration for YQ needs to be re-done.

Created by ramiak
Last modified 2009-08-18 01:11 PM

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The UMER Project is supported by the U.S. Department of Energy, Office of Science, and by the US Department of Defense, Office of Naval Research and the Joint Technology.