Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system
Reexamination Certificate
2006-03-21
2006-03-21
Bui, Bryan (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Electrical signal parameter measurement system
C702S065000, C290S04000F, C290S04000F, C307S030000, C307S045000, C318S762000, C318S763000, C318S767000, C361S060000, C361S062000, C363S109000, C363S116000, C363S120000, C700S286000, C700S292000
Reexamination Certificate
active
07016793
ABSTRACT:
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.
REFERENCES:
patent: 5111377 (1992-05-01), Higasa et al.
patent: 6219623 (2001-04-01), Wills
patent: 6429546 (2002-08-01), Ropp et al.
Stevens, John et al. “Development and Testing of an Approach to Anti-Islanding in Utility-Interconnected Photovoltaic Systems,”SANDS 2000-1939, Albuquerque, NM: Sandia National Laboratories, Aug., 2000.
Ropp, M.E. et al. “Analysis and Performance Assessment of the Active Frequency Drift Method of Islanding Prevention,”IEEE Transactions on Energy Conversion, IEEE: vol. 14, No. 3, Sep. 1999.
Dame Mark Edward
Garces Luis Jose
John Vinod
Li Lei
Liu Yan
Bui Bryan
Cantor & Colburn LLP
General Electric Company
Vo Hien
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