公开(公告)号：US11863003B2

公开(公告)日：2024-01-02

申请号：US17191267

申请日：2021-03-03

申请人： LG ELECTRONICS INC.

发明人： Namyeol Kwon

IPC分类号： H02J7/00 ,  H02J3/00 ,  H02M3/155 ,  H02J3/32

CPC分类号： H02J7/0068 ,  H02J3/007 ,  H02J3/32 ,  H02J7/0063 ,  H02M3/155 ,  H02J2207/20 ,  H02J2300/24

摘要： A power converting device, such as one used in an energy storage apparatus, comprises a first input terminal to receive a first DC voltage from a battery, a second input terminal to receive a second DC voltage from a power generation device, a switching module including a plurality of upper arm switching elements and a plurality of lower arm switching elements, and to output DC voltage to a DC link by switching the first DC voltage or the second DC voltage, and, a DC link capacitor disposed at the DC link, wherein at least some of the plurality of lower arm switching elements of the switching module operate in a power generation mode of the power generation device, and at least some of the plurality of upper arm switching elements of the switching module operate in a charging mode of the battery.