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:
Jul. 16, 2019

Filed:

May. 30, 2017
Applicant:

General Electric Company, Schenectady, NY (US);

Inventors:

Edward Wayne Hardwicke, Jr., Greenville, SC (US);

Daniel Jordy, Glenville, NY (US);

Timothy Jayko, Saratoga Springs, NY (US);

Talha Haque, Roanoke, VA (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 7/02 (2006.01); F03D 9/25 (2016.01); G05F 1/66 (2006.01); G05F 1/70 (2006.01); H02J 3/38 (2006.01); H02P 9/00 (2006.01); H02P 9/30 (2006.01); H02P 9/48 (2006.01); H02P 29/60 (2016.01); H02P 101/15 (2016.01);
U.S. Cl.
CPC ...
H02P 9/305 (2013.01); F03D 9/257 (2017.02); G05F 1/66 (2013.01); G05F 1/70 (2013.01); H02J 3/386 (2013.01); H02P 9/006 (2013.01); H02P 9/48 (2013.01); F03D 7/0272 (2013.01); H02P 9/007 (2013.01); H02P 29/60 (2016.02); H02P 2101/15 (2015.01);
Abstract

Systems and methods for protecting a generator are provided. An example method can include receiving a signal indicative of a voltage associated with a stator. The method can include receiving a signal indicative of a nominal voltage associated with the stator. The method can include receiving a signal indicative of a monitoring state associated with the generator. The method can include receiving a signal indicative of a deadband range. The method can include determining a voltage ratio based at least in part on the voltage associated with the stator and the nominal voltage. The method can include determining an adjusted operating limit using a multiplier determined based at least in part on the voltage ratio. The method can include generating a power command to control operation of the generator based at least in part on the adjusted operating limit.


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