A Single Switch Parallel Quasi Resonant Converter Topology for Induction Heating Application

In this paper 32 KHZ Single phase Single switch parallel resonant converter topology (SSPR) using power MOSFET is simulated using MATLAB simulink for the different duty cycle and the THD, Power with respect to change in duty cycle is compared . The working coil is the combination of R, L in parallel with C which produces the output power of 1.7KW to 3KW with variation in duty cycle at higher value in duty cycle we get less THD and more power. The operating frequency is selected nearer to the resonant frequency for the improvement performance. The experimental set up of this SSPR Inverter in the induction heating application for the domestic purpose is implemented and the result like temperature (oC )VS time (sec) is  depicted and this validates  the implementation  of quasi resonant using IGBT  for domestic applications.

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