PROJECT TITLE :
On-the-Fly Topology-Morphing Control—Efficiency Optimization Method for LLC Resonant Converters Operating in Wide Input- and/or Output-Voltage Range
This paper presents a control methodology for potency improvement of the LLC resonant converter operating with a wide input-voltage and/or output-voltage range by suggests that of topology morphing, i.e., changing of power converter's topology to that that is the foremost optimal for given input-voltage and/or output-voltage conditions. The proposed on-the-fly topology-morphing control maintains a tight regulation of the output throughout the topology transitions so that topology transitions are made without noticeable output-voltage transients. The performance of the proposed topology morphing methodology is verified experimentally on an 800-W LLC dc/dc converter prototype designed for a one hundred-V to 400-V input-voltage vary.
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