Considerations for components selection of inverter for induction heating

The paper presents study and selection of components (power switches and inductor) of an inverter for induction heating. Power losses in the switches and inductor windings are considered. The comparative study is realized based on using three different types of power switches (IGBT's, MOSFET's and SiC-MOSFET's). Presented loss analyses leads to design requirements for selection of proper switches (SiC) and winding arrangements. Possible solutions and design approaches are presented for reducing losses in the coil of the inductor. Design conclusions and recommendations are derived to optimize the induction heating system.