Photovoltaic panel circuitry

  • US 10,381,977 B2
  • Filed: 12/12/2017
  • Issued: 08/13/2019
  • Est. Priority Date: 01/30/2012
  • Status: Active Grant
First Claim
Patent Images

1. A system comprising:

  • a photovoltaic panel;

    a series string of one or more additional photovoltaic panels;

    a switch connecting the photovoltaic panel to the series string;

    a charge storage device configured to be charged by the series string with current bypassed around the switch and around the photovoltaic panel;

    a first controller configured to;

    receive operating power from power stored in the charge storage device, andmonitor a status of the switch, anda second controller configured to;

    detect at least one malfunction, andin response to detecting the at least one malfunction, activate the switch to disconnect the photovoltaic panel from the series string.

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