Safety Switch for Photovoltaic Systems

  • US 20190173421A1
  • Filed: 01/15/2019
  • Published: 06/06/2019
  • Est. Priority Date: 04/05/2016
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a controller configured to;

    detect a sensor measurement indicative of a potentially unsafe condition at a power generation installation, the power generation installation comprising at least two power sources and at least one switching element, wherein each at least one switching element is connected in parallel to at least one power source of the at least two power sources and is connected to a power device;

    control the at least one switching element to create a short-circuit across the at least one power source of the at least two power sources;

    receive a sensor measurement indicating that the potentially unsafe condition is no longer present; and

    control the at least one switching element to eliminate the short circuit across the at least one power source of the at least two power sources.

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