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:
Feb. 27, 2024

Filed:

Aug. 26, 2019
Applicant:

Lg Innotek Co., Ltd., Seoul, KR;

Inventors:

Sang Gyu Choi, Seoul, KR;

Jae Geun Lee, Seoul, KR;

Jeong Heum Lee, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/32 (2007.01); H02S 40/38 (2014.01); H02S 50/10 (2014.01); G01R 27/18 (2006.01); H02M 3/158 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02S 50/10 (2014.12); H02M 1/32 (2013.01); H02M 3/158 (2013.01); G01R 27/18 (2013.01); H02M 1/0003 (2021.05); H02S 40/38 (2014.12);
Abstract

An embodiment provides a DC-DC converter for sensing a grounded state and a method for controlling same in a photovoltaic energy storage system. Specifically, the converter can sense a grounded state on the basis of the magnitude of voltage applied to a resistor and provide a notification.


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