I need a Power Supply 12v and at least 150A current

MaxHeadRoom

Joined Jul 18, 2013
19,202
The problem with a SMAW (stick welder) the open circuit voltage is high, <100v it collapses drastically to around 20-30v when an arc is struck.
The transformer has a shunt that is cranked in to control the level.
The initial high voltage is in order to start the arc.
Max.
 
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