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:
Sep. 27, 2022

Filed:

Dec. 11, 2019
Applicants:

Posco, Pohang-si, KR;

Research Institute of Industrial Science & Technology, Pohang-si, KR;

Inventors:

Seung-Hee Lee, Pohang-si, KR;

Im-Soo Mok, Gumi-si, KR;

Jong-Heui Hong, Pohang-si, KR;

Jin-Hee Lee, Pohang-si, KR;

A-Rong Kim, Pohang-si, KR;

Won-Joon Song, Pohang-si, KR;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 9/06 (2006.01); H02J 3/38 (2006.01);
U.S. Cl.
CPC ...
H02J 9/061 (2013.01); H02J 3/381 (2013.01); H02J 9/062 (2013.01); H02J 2300/24 (2020.01);
Abstract

A micro-grid system with a power supply is disclosed according to one embodiment of the present invention. The micro-grid system with a power supply, according to one embodiment of the present invention, comprises: a first node having AC power applied thereto from a bus system; a first generator for applying DC power to a second node; a first load for receiving the AC power by being connected to a third node; a second load for receiving the DC power by being connected to the second node; a third load for receiving the AC power by being connected to a fourth node; a first converter for converting the DC power of the second node to AC power, and outputting same; a second converter for converting the DC power of the second node to AC power, and outputting same; and a switch unit for, according to the statuses of the first converter and the second converter, regulating the connection relations between the first node, the third node, the fourth node, the first converter and the second converter.


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