Self-oscillating resonant power converter

Mickey Pierre Madsen (Inventor), Jeppe Arnsdorf Pedersen (Inventor)

Research output: Patent

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Abstract

The present invention relates to resonant power converters and inverters comprising a self-oscillating feedback loop coupled from a switch output to a control input of a switching network comprising one or more semiconductor switches. The self-oscillating feedback loop sets a switching frequency of the power converter and comprises a first intrinsic switch capacitance coupled between a switch output and a control input of the switching network and a first inductor. The first inductor is coupled in-between a first bias voltage source and the control input of the switching network and has a substantially fixed inductance. The first bias voltage source is configured to generate an adjustable bias voltage applied to the first inductor. The output voltage of the power converter is controlled in a flexible and rapid manner by controlling the adjustable bias voltage.
Original languageEnglish
IPCH02M3/338
Patent numberWO2014067915
Filing date08/05/2014
Country/TerritoryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date02/11/2012
Priority numberEP20120191129
Publication statusPublished - 2014

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