Title:
ENERGY STORAGE SYSTEM AND ENERGY SUPPLYING SYSTEM INCLUDING THE SAME
Document Type and Number:
WIPO Patent Application WO/2023/063498
Kind Code:
A1
Abstract:
An energy storage system according to an embodiment of the present disclosure is connected to a grid power source and a photovoltaic panel, and includes: a battery configured to store electric energy received from the grid power source or the photovoltaic panel in a direct current form, or to output the stored electric energy to one or more loads; a grid relay configured to connect or block a power path connected to the grid power source; and a load relay configured to connect or block a power path connected to the load, wherein the grid relay is turned off when an error occurs in the grid power source, and the load relay is turned off when a state of charge of the battery is lower than an off-reference value.
Inventors:
KIM SANGHUN (KR)
Application Number:
PCT/KR2021/020374
Publication Date:
April 20, 2023
Filing Date:
December 31, 2021
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H02J3/32; G01J1/02; G01R19/165; H01M50/204; H02J3/14; H02J7/00; H02J7/35; H02J9/06
Foreign References:
| KR101742599B1 | 2017-06-15 | |||
| US20180026474A1 | 2018-01-25 | |||
| KR20180122071A | 2018-11-12 | |||
| JP2013126339A | 2013-06-24 | |||
| US20210075221A1 | 2021-03-11 |
Attorney, Agent or Firm:
PARK, Byung Chang (KR)
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