Hypertherm Powermax105 Service Manual - Manual (Page 158)

TroubleshooTing and sysTem TesTs
8-20
powermax
105 Service Manual
200-600 V CSA power supply overview (power board removed)
Power switch (S1)
Output snubber
resistor
Optional serial
board
PFC snubber
resistor
Inverter
snubber
resistor
Pilot arc IGBT
Output
diode
bridge
Input
diode
bridge
Damper
resistor
Inverter IGBT
module
Bulk capacitors
PFC IGBT module
Ground