The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 13, 2017

Filed:

Dec. 21, 2012
Applicant:

General Electric Company, Schenectady, NY (US);

Inventors:

Miaolei Shao, Altamont, NY (US);

Jovan Bebic, Clifton Park, NY (US);

Owen Jannis Samuel Schelenz, Schenectady, NY (US);

Patrick Hammel Hart, Ballston Park, NY (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 4/00 (2006.01); H02J 3/16 (2006.01); H02J 3/24 (2006.01); H02J 3/38 (2006.01);
U.S. Cl.
CPC ...
H02J 4/00 (2013.01); H02J 3/16 (2013.01); H02J 3/24 (2013.01); H02J 3/383 (2013.01); Y02E 10/563 (2013.01); Y02E 40/34 (2013.01); Y10T 307/658 (2015.04);
Abstract

Systems and methods for regulating the voltage at a point of interconnection of a renewable energy plant, such as a solar plant, with a grid are provided. A voltage signal indicative of the voltage at the point of interconnection can be received and filtered with a high pass filter to generate a filtered error signal. The high pass filter can block components of the voltage signal at a frequency less than a threshold frequency. A reactive power command for the renewable energy plant can be generated based on the filtered error signal. One or more inverters of the renewable energy plant can be controlled to output reactive power based on the reactive power command. A rejection module can be implemented to prevent adverse interaction with other voltage control devices. In addition, a reset module can be implemented to preserve dynamic reactive power range of the inverters.


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