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For the term "induction heater with royer oscillator without sep".

Extreme High Voltage: ZVS Royer Oscillator Driving Flyback Transformer, Jacob’s Ladder

The Flyback transformer is driven by a dedicated Royer oscillator Zero Voltage Switching configuration. I used 2 x IRFP260n mosfets, but I also tried IRFP460 which work but get warmer in operation. A few…