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Method and apparatus for a Reduced parts-counts multilevel rectifier

  • US 6,459,596 B1
  • Filed: 08/17/2001
  • Issued: 10/01/2002
  • Est. Priority Date: 08/18/2000
  • Status: Expired due to Fees
First Claim
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1. A reduced parts count multilevel rectifier comprising:

  • at least one input node;

    at least one phase leg corresponding to each said input node;

    a plurality of switching device and anti-parallel diode pairs arranged in each said phase leg according to a given number, n, greater than or equal to 4, of voltage levels wherein the number of said switching devices is reduced by removing two switching devices from the circuit but the anti-parallel diodes remain;

    at least one clamping diode corresponding to each said remaining switching device and anti-parallel diode pairs;

    a plurality of output nodes corresponding to the number of voltage levels; and

    a plurality of capacitors connected between adjacent said output nodes.

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