petercl14 Posted April 29, 2022 Report Share Posted April 29, 2022 Anybody got any idea how the attached electronic circuit works. It appears you would need a reverse current through the pnp transsistor. If somebody knows and would kindly add resistor values I can test it in a spice simulation. The circuit is from a textbook on power electronics. power electronics triac gate drive circuit.asc Quote Link to comment Share on other sites More sharing options...
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