基本信息:
- 专利标题： 전력변환장치
- 专利标题（英）：POWER CONVERSION DEVICE
- 申请号：PCT/KR2022/018322 申请日：2022-11-18
- 公开(公告)号：WO2023090941A1 公开(公告)日：2023-05-25
- 发明人： 이승민 , 윤동근 , 장성재
- 申请人： 엘지이노텍 주식회사
- 申请人地址： 07796 서울특별시 강서구 마곡중앙10로 30, Seoul
- 专利权人： 엘지이노텍 주식회사
- 当前专利权人： 엘지이노텍 주식회사
- 当前专利权人地址： 07796 서울특별시 강서구 마곡중앙10로 30, Seoul
- 代理机构： 진천웅
- 优先权： KR10-2021-0159090 2021-11-18
- 主分类号： H02M1/10
- IPC分类号： H02M1/10 ; H02J7/35 ; H02M3/156 ; H02S40/30 ; H02J3/32
The present invention relates to an auxiliary power supply device for generating auxiliary power of a power conversion device, the auxiliary power supply device comprising: a first auxiliary power supply unit which receives power applied from a photovoltaic module and generates auxiliary power therefrom; a second auxiliary power supply unit which receives power applied from a grid and generates auxiliary power therefrom; and a driving unit which can selectively drive the second auxiliary power supply unit according to the magnitude of voltage of the photovoltaic module. Accordingly, the present invention has an advantage in that an auxiliary power supply can be normally operated even in an environment where photovoltaic power generation is not performed.