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POWER CONDITIONING UNIT

  • US 20120039099A1
  • Filed: 10/19/2011
  • Published: 02/16/2012
  • Est. Priority Date: 01/13/2006
  • Status: Active Grant
First Claim
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1. A solar photovoltaic power conditioning unit for delivering power from a dc source into an electricity supply, the solar photovoltaic power conditioning comprising:

  • an input for connecting a solar photovoltaic dc power source;

    an output for connecting to the electricity supply;

    a power conversion stage for voltage conditioning of the solar photovoltaic dc power source;

    a power conversion stage for power injection into the electricity supply;

    an energy storage capacitor for energy buffering from the solar photovoltaic dc power source to the electricity supply; and

    means for controlling an amount of power transferred said power conversion stage to said electricity supply based on a fluctuating sinusoidal component of a signal on said energy storage capacitor.

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