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DC bus voltage control for two stage solar converter

  • US 8,085,564 B2
  • Filed: 11/30/2010
  • Issued: 12/27/2011
  • Est. Priority Date: 10/26/2009
  • Status: Active Grant
First Claim
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1. An apparatus for supplying AC power to an AC power grid from a DC power source, comprising:

  • a converter coupled to the DC power source, said converter providing DC power to a DC bus;

    an inverter coupled to said DC bus, said inverter converting the DC power of said DC bus into AC power; and

    ,a control system configured to regulate the DC bus voltage to be substantially equal to a variable DC bus voltage setpoint, said control system being configured to adjust the variable DC bus voltage setpoint based at least in part on the DC bus voltage of said DC bus.

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