A Novel High-Efficiency Soft-Switching Structure for Induction Heatin
Subject Areas : electrical and computer engineering
Mohamad Reza
Banaei
1
sajad
gabeli sani
2
khalil
monfaredi
3
Keywords: Induction heatinghigh efficiencysoft switchingvoltage boost,
Abstract :
In this paper, a novel structure and a control method to improve the performance of inductive heating circuits is proposed. In the presented structure, with the combination of the performance of a half-bridge resonant converter with voltage-boost capability, the reduction in output efficiency at low power and at high power is compensated to an acceptable level. The use of the low number of switches and diodes, the use of the high-quality capacitors with low capacities, good quality of the input current and also high power factor ensures the proper operation of the proposed converter. The switching of high frequency switches in the proposed structure is carried out as soft-switching where resulting in very low switching losses. In this converter, the design of the input filter in order to prevent the effects of electromagnetic interference has been prepared. Finally, to demonstrate the proposed structure operation, the simulation and experimental results are presented.
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