Hypertherm Powermax65 SYNC Troubleshooting Manual page 162

7
How the Plasma Power Supply Operates
Figure 43 – 380 V CCC / 400 V CE plasma power supply (power PCB removed)
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2
1 Output bridge diode
2 Pilot arc IGBT
3 Inverter snubber resistor
4 Inverter IGBT module
5 Bulk capacitors
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10 9
3
4
810430
5
6 Input diode bridge
7 Ground
8 Power switch (S1)
9 Output snubber resistor
10 Optional serial PCB
Troubleshooting Guide
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Powermax65/85/105 SYNC