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Power supply overview, Powermax30 – Hypertherm Powermax30 Service Manual User Manual

Page 47

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MAINTENANCE

3-8

powermax30

Service Manual

Input diode
bridges
(D24, D30)

Output diode and
pilot arc IGBT
module (D27)

PFC IGBT (Q1)

Inverter
IGBT (Q2)

Power supply overview

Power switch (S1)

Work lead
connection (J22)

Power board
(PCB2)

Control board
(PCB1)

Flyback circuit

PE (ground)