The induction power supply uses IGBT as the inverter power supply of the switching device. Under the control of the DSP, the power device IGBT always works accurately in the soft switching state, and the working process adopts the power closed-loop control, which has high stability and accuracy; the perfect protection measures of the system make the equipment in each situation. operate safely. Products are widely used in metal heat treatment, quenching, annealing, diathermy, melting, welding, semiconductor material refining, crystal growth, plastic heat sealing, optical fiber, baking and purification and other industries.