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Method and apparatus for anti-islanding protection of distributed generations

Patent ·
OSTI ID:1175679
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An apparatus for anti-islanding protection of a distributed generation with respect to a feeder connected to an electrical grid is disclosed. The apparatus includes a sensor adapted to generate a voltage signal representative of an output voltage and/or a current signal representative of an output current at the distributed generation, and a controller responsive to the signals from the sensor. The controller is productive of a control signal directed to the distributed generation to drive an operating characteristic of the distributed generation out of a nominal range in response to the electrical grid being disconnected from the feeder.

Research Organization:
General Electric Company, Schenectady, NY (United States)
Sponsoring Organization:
USDOE
Assignee:
General Electric Company (Schenectady, NY)
Patent Number(s):
7,016,793
Application Number:
10/677,559
OSTI ID:
1175679
Country of Publication:
United States
Language:
English

References (2)

Development and Testing of an Approach to Anti-Islanding in Utility-Interconnected Photovoltaic Systems report August 2000
Analysis and performance assessment of the active frequency drift method of islanding prevention journal January 1999

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32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION