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.
Patent No.:
Date of Patent:
Jan. 09, 2018
Filed:
Feb. 18, 2016
Applicant:
Sunpower Corporation, San Jose, CA (US);
Inventors:
Lars Johnson, Concord, CA (US);
Robert Johnson, Mill Valley, CA (US);
Assignee:
SunPower Corporation, San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 3/38 (2006.01); H02M 7/42 (2006.01); H02J 3/50 (2006.01); H02J 3/16 (2006.01);
U.S. Cl.
CPC ...
H02J 3/383 (2013.01); H02J 3/16 (2013.01); H02J 3/50 (2013.01); H02M 7/42 (2013.01); Y02E 10/563 (2013.01); Y02E 40/34 (2013.01); Y10T 307/707 (2015.04);
Abstract
A photovoltaic system includes solar cells and photovoltaic inverters configured to convert direct current generated by the solar cells to alternating current. Grid voltage at the point of interconnection (POI) of the photovoltaic system and the power grid is measured and compared to a setpoint. A control signal is generated based on the measured grid voltage. The control signal is provided to the photovoltaic inverters. The control signal is adjusted to cause the photovoltaic inverters to generate or absorb reactive power to respond to transient grid voltage changes.