Hypertherm Powermax105 Service Manual - Manual (Page 160)

TroubleshooTing and sysTem TesTs
8-22
powermax
105 Service Manual
380 V CCC, 400 V CE power supply overview (power board removed)
Input
diode
bridge
Inverter IGBT
module
Power switch (S1)
Bulk capacitors
Output snubber
resistor
Optional serial
board
Inverter
snubber
resistor
Pilot arc IGBT
Output
diode
bridge
Ground