ANL Storage Ring Circular Polarized Undulator

Since the company was founded in 1964, Danfysik has designed, manufactured and installed custom designed power supplies for universities and research laboratories worldwide

ANL Storage Ring Circular Polarized Undulator

Description

Danfysik has delivered the 10 Hz Power Supplies for the Main Coil of the Storage Ring Circular Polarized Undulator at Argonne National Laboratory, USA.

Data

Specification for 1600 A Unipolar Power Supply
Max. output current:
1600 A
Max. output voltage:
±40 V
Current drift stability:
10ppm (8 hours)
Ramp time:
0 to 100% within 10 ms max (Programmable)
Current setting reproducibility:
less than 50ppm
Topology:
H-bridge Buck converter with IGBT’s:

ANL 10 Hz Power Supplies for the Main Coil

Project start 2007. Project completion 2009.

The APS Circularly Polarized Undulator (CPU) device requires two power supplies for its two coils.
One coil requires a unipolar power supply delivering a maximum current of 1600A. This power supply is required to change its output current within 0 and 1600A at a speed up to 1600A/10ms. The maximum repetition rate of the change is 10 Hz. The other coil requires a bipolar power supply to provide a current within ±400A. This current is required to change at a speed up to 800A/10ms. The maximum repetition rate of the change is 10 Hz.