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A novel flattop current regulated energy discharge type pulsed power supply and magnet yielding 4. 4 kGauss-meter for 6 milliseconds

Technical Report ·
DOI:https://doi.org/10.2172/5550419· OSTI ID:5550419
Most energy discharge power supplies obtain their bursts of power from the energy stored in charged capacitors when it is suddenly released into a load. This note describes the design of a similar small 800 Joules energy discharge type power supply and magnet. The magnet gap is 2 in.{times}2 in.{times}25-1/2 in. long and produces about 4.4 kGauss-meters at a rate of 12 pulses per minute. Each pulse is current regulated at the top for a duration of 6 msec. and varies less than 0.6% of set value. Current regulation at flattop is obtained by switching a resistor in and out of the discharge circuit with an IGBT at a rate of about 5 kHz. Most energy discharge systems produce half sine wave pulses, and current regulation is obtained by controlling the charge voltage at the energy storage capacitor, resulting only in a controlled peak current value of the half sine wave pulse. The current value at the top changes substantially during 6 msec. depending on the operating frequency.
Research Organization:
Fermi National Accelerator Lab., Batavia, IL (USA)
Sponsoring Organization:
DOE/ER
DOE Contract Number:
AC02-76CH03000
OSTI ID:
5550419
Report Number(s):
FNAL-TM-1605; ON: DE90001878
Country of Publication:
United States
Language:
English