Lg Cns Co., Ltd.

In Chol Yeon

Bon Jun Koo

Byeong Gyu Hyeon

Dong Young Shin

Kwang Ho Lee

Chung Hyun Jung

Kwan Bok Lee

Eun Ki Jeong

An energy storage system that includes an uninterruptible power supply configured to supply first power to a load and a battery array comprising a backup battery unit. The system further includes a controller to cut off the first power supplied by the uninterruptible power supply at a first time and control the uninterruptible power supply and the battery array to supply second power to the load using power stored in the battery array. Typically, the second power is supplied when the first power is cut off.

Energy storage system (ESS) using uninterruptible power supply (UPS)

A switchable uninterruptible power supply (SUPS) system is provided. The system includes a UPS configured to supply power to a load, a plurality of battery units connected in parallel, and a controller configured to selectively supply power from a grid to the UPS and to selectively connect each of the plurality of battery units the UPS or a battery charger are connected to the grid.

Switchable uninterruptible power supply system and battery charging method thereof

An uninterruptible power supply (UPS) system for preventing charging of batteries is provided. The system includes a UPS configured to supply power from a grid to a load, a battery unit configured to be charged with the power supplied from the UPS, and a controller configured to selectively supply the power from the grid to the UPS and selectively connect or disconnect a charging path between the UPS and the battery unit.

Uninterruptible power supply system for preventing charging of batteries and method for controlling uninterruptible power supply system

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Seoul, South Korea

In Chol Yeon