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2000 watt 300KHz AC output, 3 phase input. Starting from my hand drawn schematic, please buy parts and hand build 1st unit. I have the output core. Other magnetics should be available. Design attempts to use digi-key parts primarily.
1st goal is to build this circuit in any reasonable fashion; air cooling fets.
2nd goal is to veryify that this design works. Are you able to test this in your lab? Testing would require 500V to 750V high power source. Load could be light bulb bank. Keeping this hand built high power circuit from burning up would be difficult.
Basic topology is: on/off gate, followed by straight boost (up to 1200 volts) followed by pure bridge driving big toroid core. Issues to evaluate: efficiency, on/off function, gate drive function. Unusual features: small filter caps for low inrush, sine wave gate drive for switcher output, wide range of output load.
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