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I came upon an old 80's era 40amp 3 phase inverter plasma cutter today with a dead control board. its a charger in a kit! Input rectifier complete with precharge and bleed resistors , Massive fan cooled heatsinks , a huge ferrite core transformer with primary inductance of about 3.6mh , output rectifier rated at 400v 60amps fast recovery and a big honkin' output choke! Interestingly the transformer seems to be a 1:1 ratio which has me thinking about building it up as a forward converter with RCD reset. This would give an isolated output
Thoughts? , comments? , ideas? am i insane?
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