Abstract
In this paper, we propose a single-phase single-stage hybrid AC/DC converter that can regulate the output voltage and improve the input power factor through phase shift modulation (D) at a constant switching frequency for wireless power transfer. In the proposed single stage AC/DC converter, formula to calculate the input power factor (PF) and the total harmonic distortion (THDSUBi/SUB), and the voltage gain characteristics of CLLC resonant circuit for WPT are analyzed and presented. Also, the performance of the proposed single stage AC/DC converter was verified on a 1 kW prototype operating with an ac line voltage (220Vrms) and an output voltage (Vo) that varies between 250VSUBDC/SUB and 350VSUBDC/SUB.
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