Resonant inverter with a variable-frequency asymmetrical voltage-cancellation control for low Q-factor loads in induction cooking
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Publication Details
Author list: Yachiangkam S., Sangswang A., Naetiladdanon S., Koompai C., Chudjuarjeen S.
Publisher: Hindawi
Publication year: 2011
ISBN: 9781612841670
eISSN: 1745-4557
Languages: English-Great Britain (EN-GB)
Abstract
This paper presents a power control strategy of the full-bridge series resonant inverter based on the asymmetrical voltage-cancellation control with variable-frequency in induction cooking appliances with a load of low Q factor on the domestic markets. The switching frequency of inverter is suitably operated higher than the resonant frequency under zero-voltage-switching (ZVS) condition. The proposed control strategy ensures to minimize the switching loss in all switches of inverter, so that can improve the efficiency of inverter system. The theoretical results of proposed control method are verified by simulation and experimental results as shown in this paper. The advantages of the proposed control are simple, low switching loss and system reliability for the entire operating region. ฉ 2011 EPE Association - European Power Electr.
Keywords
Resonant converter, Switching losses, ZVS converter
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