ENERGY STORAGE SYSTEM

Title:

ENERGY STORAGE SYSTEM

Document Type and Number:

WIPO Patent Application WO/2018/230831

Kind Code:

A1

Abstract:

The present invention relates to an energy storage system. The energy storage system according to an embodiment of the present invention is an energy storage system for managing the power of a system and of a direct current (DC) distribution network connected to the system, comprising: a first converter connected between the system and the DC distribution network, and converting an AC voltage of the system into a DC voltage and transmitting the DC voltage to the DC distribution network; a second converter connected to the DC distribution network and controlling the voltage of the DC distribution network; a battery connected to the second converter and of which the charging and discharging are controlled by means of the second converter; a third converter connected to the DC distribution network; and a first load connected to the third converter and of which the voltage is controlled by means of the third converter, wherein the first converter generates a power control instruction for controlling at least one of the battery and the first load on the basis of SOC information of the battery and power consumption information of the first load.

Inventors:

LEE JI-HEON (KR)
YUN DONG-JIN (KR)
LEE YUN-JAE (KR)
KIM MIN-JAE (KR)
KIM JI-HONG (KR)

Application Number:

PCT/KR2018/004592

Publication Date:

December 20, 2018

Filing Date:

April 20, 2018

Export Citation:

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Assignee:

LSIS CO LTD (KR)

International Classes:

H02J9/06; H02J3/32

Foreign References:

KR20160097865A	2016-08-18
KR101450711B1	2014-10-17
KR20110055389A	2011-05-25
KR20100131342A	2010-12-15
KR20100132008A	2010-12-16

Other References: