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http://dx.doi.org/10.6113/JPE.2017.17.4.860

A Direct Single-phase Quasi-resonant AC-AC Converter with Zero Voltage Switching

Antchev, Mihail Hristov (Faculty of Electronic Engineering and Technology, Technical University-Sofia)

Publication Information

Journal of Power Electronics / v.17, no.4, 2017 , pp. 860-873 More about this Journal

Abstract

The present article reports an analysis and investigation of a direct AC-AC quasi-resonant converter. A bidirectional power device, whose switching frequency is lower than the frequency of the current passing through the load, is used for its realization. The zero voltage switching mode is described when zero voltage on the power device is available by measuring it with the control system. The continuous current in the resonant inductance by switching the power device at zero voltage is considered, and it is characterized by two sub-modes. A mathematical analysis of the processes has been made and comparative results from the computer simulation and experimental study have been brought. The converter can be used in a wide areas of power electronics: induction heating, wireless power transfer, AC-DC converters, etc.

Keywords

Bidirectional switch; Direct AC-AC converter; Quasi-resonant; Zero voltage switching;

Citations & Related Records

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