Theory Of Operation - Lincoln Electric INVERTEC V160 Service Manual

THEORY OF OPERATION

General description.............................................................................................16
Input Line Voltage, Auxiliary Voltage, Precharge.........................................................16
Inverter Board , Main Transformer, Output Rectifier and Choke........................................17
Control board....................................................................................................18
Protection Circuits..............................................................................................19
Over Current Protection...................................................................................19
IGBT operation..................................................................................................20
Block diagram
15
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