Controller Design of Two Coupled Inductors in Induction Heating Application

In this work, we first presented a mathematical modeling of induction heating with two inductors constituted by the assembly (inductors-load to be heated), followed by the diagram of the chosen HF inverter, whose resonance is taken into consideration while applying a capacitor of compositions in series with each inductor. Second, by applying the method of zone control induction heating, we have synthesized suitable control laws in order to control the current flowing in the inductors and consequently the power supplied to the induction heating, the zone control induction heating method is used to cancel the magnetic coupling effects between the inductor currents. The simulation results show the effectiveness of the control strategy.