Abstract
AbstractIn this paper, the design, simulation and implementation of a power supply for induction heating to be used in a shrink-fitting application is discussed. A unique feature of this power supply is its compactness, which is obtained by means of a single switch, a parallel quasi-resonant converter which uses the Zero Voltage Switching (ZVS) technique. SiC MOSFET, a wide-band gap device, is used as the switching device to reduce losses, thereby improving the Induction heating effect. Simulation results at 1 kW power level are presented, and outcomes are analysed with a discussion on the range of duty cycles. An experimental implementation of a low-power prototype of the Induction heating power supply is carried out, and results are analysed in the paper. The coil was designed and built in-house for the prototype, and the prototype was tested with both IGBT and SiC MOSFET as switching devices and the results are compared.KeywordsInduction heatingShrink-fittingResonant converterSiCZVS
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