A Time-Sharing Current-Fed ZCS High-Frequency Inverter-Based Resonant DC–DC Converter With Si-IGBT/SiC-SBD Hybrid Module for Inductive Power Transfer Applications

This paper presents a time-sharing frequency doubler principle-based current-fed zero current soft-switching (ZCS) high-frequency-resonant (HF-R) inverter-based dc–dc converter for inductive power transfer (IPT) systems featuring a Silicon (Si) and Silicon Carbide (SiC) hybrid power module. The newly proposed resonant dc–dc converter is suitable for producing a higher frequency resonant current with switching power loss reduction by the effect of a high-speed punch trough Si-insulated gate bipolar transistor (IGBT) and low-forward voltage SiC-Schottky barrier diode (SBD). In order to continuously regulate the output power, resonant current phasor control based on phase shift modulation (PSM) is newly applied. The performances of the newly proposed IPT resonant power converter are demonstrated by experiment, after which the feasibility of the circuit topology and control method is discussed from a practical point of view.

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