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:
Jul. 09, 2024
Filed:
Jan. 11, 2021
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventor:
Jin Seok Heo, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 15/04 (2006.01); G01R 19/165 (2006.01); G01R 19/25 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
G01R 19/16576 (2013.01); G01R 15/04 (2013.01); G01R 19/2503 (2013.01); H02J 7/0047 (2013.01); H02J 2207/20 (2020.01);
Abstract
Disclosed is a device and method for monitoring a common mode voltage. There is provided the device for monitoring a common mode voltage including an input end connected to a node between an energy storage device and a power conversion device, a voltage divider that divides a voltage applied to the input end, a comparator that compares an output of the voltage divider and a reference voltage, and a controller that detects an abnormality in a voltage applied from the power conversion device to the energy storage device based on an output of the comparator.