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"Sooner or later, the diode will get the current close to zero but there will be considerable magnetism still left. To remove that, you need a current in the reverse direction. If you cycle the current in the positive quadrant only, the curve will be different."
But we do exactly that in a...
Hi. Thanks for the reply. I am attaching the schematic for more clarity.
Here when Q1 is on the dot end of Np1 is positive and current flows from drain to source in Q1. Now during switch off of Q1 the current through L1 forward biases diode D1 and D2. But magnetising current through transformer...
In a push pull converter we often worry about volt second imbalance. But it seemed to me that when both the FETs are off the diodes in the transformer secondary demagnetizes the core. In that case ther is no flash x build up in the core. But there must be some catch with this conclusion as in...
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