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System and Method for Combining Electrical Power from Photovoltaic Sources

  • US 20120104863A1
  • Filed: 10/31/2011
  • Published: 05/03/2012
  • Est. Priority Date: 11/02/2010
  • Status: Abandoned Application
First Claim
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1. A photovoltaic system comprising:

  • a plurality of photovoltaic (PV) panels providing DC outputs at a first voltage;

    a plurality of inverter modules, each of the inverter modules connected to a respective PV panel, each of the inverter modules comprising;

    a maximum power point tracker (MPPT) for independently monitoring and controlling the respective PV panel, a switch regulator for converting the DC output to an AC output;

    an insulating transformer for receiving the AC output and inverting the AC output at about the first voltage to a second voltage; and

    a rectifier for rectifying the AC output to a second DC output at about the second voltage; and

    a main inverter receiving two power terminals;

    wherein the second DC outputs of the plurality of inverter modules are connected in parallel to the two power terminals at the second voltage,wherein the second DC outputs are inverted to an AC power by the main inverter.

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