Hypertherm Powermax105 Service Manual - Manual (Page 159)

TroubleshooTing and sysTem TesTs
powermax
105 Service Manual 8-21
Damper
resistor
PFC IGBT module
230-400 V CE, 380 V CCC/230-400 V CE power supply overview (power
board removed)
Input
diode
bridge
Inverter IGBT
module
Power switch (S1)
Ground
Bulk capacitors
Output snubber
resistor Optional serial
board
Inverter
snubber
resistor
Pilot arc IGBT
Output
diode
bridge