Samsung Sdi Co., Inc.

Woojoon Chung

Hyeoncheol Jeong

Jongho Park

Gilchoun Yeom

Woonseong Baek

Youngjin Lee

Seunglim Choi

Sejin Ji

Buangho Park

Taejong Lee

There is provided a power conversion apparatus including first to fifth nodes. The power conversion apparatus includes: an inverter including a first switch between the first and second nodes, a second switch between the first and third nodes, a third switch between the second and fourth nodes, and a fourth switch between the third and fourth nodes; a filter including an inductor connected between the second and fifth nodes and a capacitor connected between the fifth and third nodes; and a current sensor configured to sense resultant current, which is the sum of inductor current flowing in the inductor and output current, wherein the output current is output to a load connected between the third and fifth nodes.

Power conversion apparatus and uninterruptible power supply comprising same

A battery module including: a plurality of battery packs each having a plurality of battery banks; a first wire that connects the plurality of battery packs in parallel; and a second wire that connects battery banks of the different battery packs in parallel. A natural balancing operation may be implemented without a complicated circuit configuration.

Battery module

Growing community of inventors

Yongin-si, South Korea

Woojoon Chung