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:
Oct. 12, 2021
Filed:
Apr. 10, 2014
Applicant:
Enphase Energy, Inc., Petaluma, CA (US);
Inventors:
Michael Harrison, Petaluma, CA (US);
Erik Weyker, Sebastopol, CA (US);
Martin Fornage, Petaluma, CA (US);
Assignee:
Enphase Energy, Inc., Petaluma, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 1/00 (2006.01); H02J 3/00 (2006.01); H02J 7/00 (2006.01); H02J 3/38 (2006.01);
U.S. Cl.
CPC ...
H02J 1/00 (2013.01); H02J 3/383 (2013.01); H02J 7/0019 (2013.01); Y02E 10/56 (2013.01);
Abstract
A method and apparatus for voltage clamping including: measuring a DC voltage across the PV module at an input of a power converter, comparing the measured DC voltage to the overvoltage threshold, determining the measured DC voltage exceeds the overvoltage threshold, and operating a clamping circuit to clamp at least a portion of the DC voltage prior to input to the power converter.