Main Circuit Card Z001; Operating Diagram - Kemppi MinarcTig 180MLP Service Manual

Main circuit card Z001

Secondary rectifier
Main transformer,
T001
Current transformer,
T1
IGBTs, gate
resistors, return
current diodes
Smoothing capasitors

Operating diagram

Z001
DC-link charging,
resistors and relay
Connector to A001
EMI-filter
Primary rectifier
- Net over voltage
protection
- DC-link charging
- EMI-filter
- Primary rectifier
- Energy reserve
- Dual-forward-inverter
- Main transformer
- Secondary rectifier
6