Parallel connected inverters

  • US 10,644,589 B2
  • Filed: 04/20/2018
  • Issued: 05/05/2020
  • Est. Priority Date: 12/05/2007
  • Status: Active Grant
First Claim
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1. A distributed power system comprising:

  • a direct current (DC) power source;

    a plurality of autonomous inverters with respective inverter inputs adapted for connection in parallel to the DC power source and with respective inverter outputs adapted for connection in parallel to produce an alternating current (AC) power to a power grid; and

    a plurality of control modules coupled respectively to the inverter inputs, wherein the control modules respectively control current drawn by the plurality of autonomous inverters from the DC power source responsive to the voltage of the DC power source;

    wherein the plurality of autonomous inverters share unequally in inverting power from the DC power source to produce AC power to the power grid.

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