公开(公告)号：US20180159362A1

公开(公告)日：2018-06-07

申请号：US15834007

申请日：2017-12-06

申请人： Wuhan Institute of Technology ,  China National Coal Group Corp. ,  Wuhan Micro Hydrogen New Energy Co., Ltd.

发明人： Jian LIU ,  Zenglun GUAN ,  Zhongwen ZHANG ,  Rucheng LIU ,  Bing YAN ,  Zhenshen LOU ,  Yang WANG ,  Xiaohu LIU ,  Shihong QIN ,  Xiaoling WEN ,  Zicheng LI

IPC分类号： H02J7/34 ,  H02M3/158

CPC分类号： H02J7/34 ,  H01M10/4264 ,  H02J7/345 ,  H02M1/36 ,  H02M3/158 ,  H02M3/1582 ,  H02M2001/007

摘要： An energy storage system, including: a first switch and a first inductor connected in series and connected to a positive electrode of an external DC system; a pre-stage bidirectional buck-boost conversion circuit, the circuit including a first terminal, a second terminal, and a third terminal; a pre-charge circuit, a fourth switch, and a super-capacitor sequentially connected in series, two terminals of a series structure resulting therefrom being connected to the third terminal of the pre-stage bidirectional buck-boost conversion circuit and the negative electrode of the external DC system, respectively; a post-stage bidirectional buck-boost conversion circuit, the circuit including a first terminal, a second terminal, and a third terminal; and a battery, a second switch, and a second inductor connected in series.