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Photovoltaic system with managed output

  • US 9,257,847 B2
  • Filed: 10/12/2009
  • Issued: 02/09/2016
  • Est. Priority Date: 10/12/2009
  • Status: Active Grant
First Claim
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1. A photovoltaic system with managed output, the system comprising:

  • a photovoltaic module configured to receive and convert solar energy to DC power, the photovoltaic module integrated with an island- or micro-grid;

    a sensor configured to detect a future change in solar energy to be received by the photovoltaic module, the sensor comprising a portfolio of distributed photovoltaic systems, the portfolio of distributed photovoltaic systems comprising nearby residential or commercial, or both, photovoltaic systems from a predetermined geographic area; and

    a power conditioning unit coupled with the photovoltaic module and the sensor, the power conditioning unit configured to condition DC power from the photovoltaic module and to modify total power output from the power conditioning unit based on the future change in solar energy in anticipation of the future change in solar energy, wherein the power conditioning unit includes an inverter, the inverter configured to invert DC power from the photovoltaic module to AC power, the inverter also configured to modify AC power output from the inverter based on the future change in solar energy, and wherein the power conditioning unit;

    decreases an efficiency of the photovoltaic module before the future change in solar energy occurs to export an amount of energy to the island- or micro-grid, the amount of energy being a maximum amount of energy the photovoltaic module is expected to be capable of generating when the future change in solar energy occurs, the amount of energy being less than the photovoltaic module is capable of generating before the future change in solar energy occurs, andincreases the efficiency of the photovoltaic module when the future change in solar energy occurs to export the same amount of energy to the island- or micro-grid.

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