Warpinverter Build

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Regular Member

Joined: 04/04/2021
Location: Australia
Posts: 55
Posted: 11:46am 14 Jun 2023      

Ignore me Roger, I didn't account for the load of the bridges and so couldn't get the caps to pre charge with them hanging off the bus bar. I fitted a 10ohm resistor and it fired up and soft started beautifully. So it needs much more current than I was thinking.
I then tweaked the pot to get 235v at the output but I didn't get time tonight to hook up the CRO and see what the waveform looks like now the caps are in place and I still need to load test it.