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:
Aug. 16, 2022

Filed:

Feb. 06, 2019
Applicant:

Flexgen Power Systems, Inc., Durham, NC (US);

Inventors:

Tony Olivo, Raleigh, NC (US);

Pasi Taimela, Wake Forest, NC (US);

Robert William Johnson, Jr., Raleigh, NC (US);

Mengbin Yang, Cary, NC (US);

Preston Miller, Bremerton, WA (US);

Assignee:

Flexgen Power Systems, Inc., Durham, NC (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 9/02 (2006.01); G05B 19/042 (2006.01); H02J 3/38 (2006.01); H02J 3/46 (2006.01); H02J 3/32 (2006.01);
U.S. Cl.
CPC ...
H02J 3/381 (2013.01); G05B 19/042 (2013.01); H02J 3/32 (2013.01); H02J 3/46 (2013.01); H02P 9/02 (2013.01); G05B 2219/2639 (2013.01); H02J 2300/10 (2020.01);
Abstract

A system includes a generator configured to be electrically coupled to a grid, an engine configured to drive the generator, and a solid state generator coupled between the grid and an energy storage device. The system further includes a bias controller configured to detect a frequency of the grid and to responsively provide a bias signal to a speed controller of the engine. The bias controller may include a frequency bias controller configured to generate a frequency bias load sharing signal responsive to the detected frequency of the grid and a load sharing controller that receives the frequency bias load sharing signal and that generates the bias signal responsive to the load sharing signal.


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