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:
Dec. 28, 2021

Filed:

May. 11, 2018
Applicant:

Lsis Co., Ltd., Anyang-si, KR;

Inventor:

Yil-Hwa Lee, Anyang-si, KR;

Assignee:

LSIS CO., LTD., Anyang-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 3/38 (2006.01); H02J 3/32 (2006.01); H02J 9/06 (2006.01);
U.S. Cl.
CPC ...
H02J 3/38 (2013.01); H02J 3/32 (2013.01); H02J 9/06 (2013.01); H02J 2203/10 (2020.01);
Abstract

The present invention pertains to a microgrid system. A microgrid system according to an embodiment of the present invention is a microgrid system that is operated while separated from a power grid, wherein said microgrid system comprises: a first microgrid that includes a first load, a first ESS, a first distributed power system and a first controller; and a second microgrid that includes a second load, a second ESS, a second distributed power system and a second controller, and wherein a line connecting the first and the second microgrid is opened and closed using a relay, and the first and the second controller determine whether to open or close the relay by communicating with one another.


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