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Application of Wide Bandgap Transistors in Inverter Circuits to Replace Lamp Generators for Induction Heating

The replacement of tube generators at high frequencies became possible with the advent of wideband semiconductors. The application of SiC and GaN in a resonant inverter for induction technologies with an operating frequency of 440kHz and a power of 10 kW is discussed. Theoretical and simulation studies proving the performance of the inverter circuits and comparative analysis in relation to their losses and efficiency are made.