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Coupled Split Path Power Conversion Architecture

  • US 20180102644A1
  • Filed: 10/11/2016
  • Published: 04/12/2018
  • Est. Priority Date: 10/29/2013
  • Status: Active Grant
First Claim
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1. A coupled split path (CSP) voltage converter having one or more input ports and one or more output ports, comprising:

  • a set of inverter cells that are electrically coupled with their input ports cascaded to form a series chain to provide a set of terminals at the inverter cell inputs forming a set of N voltages levels of increasing magnitude relative to a reference potential;

    a power distributor circuit having an input and a set of outputs, said power distributor circuit comprising an inductor and a switch network and arranged such that said power distributor circuit operates to draw power from its input and deliver power via its outputs into at least two of the N voltage levels;

    a transformer having at least three windings, said transformer disposed such that each inverter cell drives a transformer winding;

    and one or more rectifier circuit cells each having an output port and an input coupled to a transformer winding.

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