System and method for islanding detection and prevention in distributed generation
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United States of America Patent
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Jun 12, 2018
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N/A
app pub date -
Sep 21, 2015
filing date -
Jun 11, 2014
priority date (Note) -
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Abstract
Various examples are directed to systems and methods for detecting an islanding condition at an inverter configured to couple a distributed generation system to an electrical grid network. A controller may determine a command frequency and a command frequency variation. The controller may determine that the command frequency variation indicates a potential islanding condition and send to the inverter an instruction to disconnect the distributed generation system from the electrical grid network. When the distributed generation system is disconnected from the electrical grid network, the controller may determine whether the grid network is valid.
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