Dipole power supply

The power supply for the HKS-D magnet was newly fabricated with specification according to Jlab requirements. The parameters of the power supply are summarized as table 13. This power supply is already tested and routinely in operation to excite the HKS-D magnet for the field mapping.

表 13: Parameters of the power supply for the HKS-D magnet

Rated output current	1254 Amax
Rated output voltage	252 Vmax
Operation pattern	100% DC
Current stability	$1.0 \times 10^{-5}$/8 h
Current ripple	$1.0 \times 10^{-5}$
Reproducibility	$1.0 \times 10^{-5}$
Control Method	Constant-current control
Circuit configuration	thyristor preregulator
	+ transistor dropper
Cooling method	Water cooling