PA Crowbar

Linac RF system trip that occurs when the modulator current is greater than 600 amps during the RF pulse or 125 amps between pulses. A PA crowbar fires the permanent inhibit, shorts the capacitor bank to ground through the ignitron, and resets automatically after 30 seconds.
Found on http://www-bdnew.fnal.gov/operations/accgloss/gloss.html

PA Crowbar

Linac RF system trip that occurs when the modulator current is greater than 600 amps during the RF pulse or 125 amps between pulses. A PA crowbar fires the permanent inhibit, shorts the capacitor bank to ground through the ignitron, and resets automatically after 30 seconds.
Found on http://www-bdnew.fnal.gov/operations/accgloss/gloss.html#A
No exact match found