公开(公告)号：US20210242792A1

公开(公告)日：2021-08-05

申请号：US17268536

申请日：2019-08-15

申请人： NR ELECTRIC CO., LTD. ,  NR ENGINEERING CO., LTD.

发明人： Chen XIE ,  Zhongfeng ZHANG ,  Jie TIAN ,  Yeyuan XIE ,  Haiying LI ,  Yu WANG ,  Jian GE

IPC分类号： H02M3/335 ,  H02M1/32

摘要： A bipolar bidirectional DC converter comprises at least two valve group series (101, 102) and at least six magnetic elements (103), and said valve group series are divided into a Type-I valve group series (102) and a Type-II valve group series (101) each valve group series (101, 102) comprises a high-voltage DC port, a low-voltage DC port and at least three AC ports, and each AC port is connected to a magnetic element (103); and the other ends of the magnetic elements (103), which are connected to all the AC ports in the same valve group series (101, 102), are connected.