Guest arkon666 Posted March 10, 2014 Report Share Posted March 10, 2014 Hi all, Can anyone help me please. I've built the ZVS driver from this page here http://www.electronics-lab.com/forum/index.php?topic=19386.0and it sort of works BUT. One mosfet gets very hot and the other one doesn't. Any ideas why? Is this what it's supposed to do?I've not used the IRFP240 or 50 but 2 x FDA59N30 Also currently I have no secondary on the flyback, just the 2 x 5 turns of wire on the primary side. Quote Link to comment Share on other sites More sharing options...
audioguru Posted March 10, 2014 Report Share Posted March 10, 2014 The simple circuit is completely symmetrical so each Mosfet conducts the same if the input squarewave is symmetrical.What provides the input signal and is its waveform symmetrical? What is the frequency? Quote Link to comment Share on other sites More sharing options...
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