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Multi-level inverter with flying capacitor topology

  • US 9,318,974 B2
  • Filed: 09/13/2014
  • Issued: 04/19/2016
  • Est. Priority Date: 03/26/2014
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a multi-level inverter comprising a first phase circuit and a second phase circuit, each of the first and the second phase circuits comprising a flying capacitor circuit;

    a first set of switches connecting the first phase circuit between voltage input terminals and a second set of switches connecting the second phase circuit between the voltage input terminals; and

    an interphase balancing circuit comprising a first pair of terminals connected in parallel across the first phase circuit and a second pair of terminals connected in parallel across the second phase circuit.

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