Induction Heaters

Heating ferromagnetic material.

Simple resonant induction heater circuit.

T1, T2 100 V 35 A MosFETs. 

R1, R2 270 ohms. 

D1, D2 70V Schottky diodes 

L2 2mH

C1 Some 330nF polypropylene capacitors in parallel.

ZVS Driver circuit diagram. Zener diodes are used to protect the gates from excess voltage.

Untapped heating coil.

Experimental Vackar oscillator induction heater.