公开(公告)号：US10811983B2

公开(公告)日：2020-10-20

申请号：US15880678

申请日：2018-01-26

申请人： Delta Electronics (Shanghai) CO., LTD

发明人： Cheng Lu ,  Wenfei Hu ,  Tao Xia

IPC分类号： H02M3/335 ,  H02M7/797

摘要： The present disclosure provides a power electronic conversion unit and a power electronic conversion system. The power electronic conversion unit includes: two AC/DC subunits, AC ports of which are coupled in series to form a first port; two half-bridge subunits, DC ports of which are coupled to DC ports of the two AC/DC subunits, respectively; and a transformer, wherein two terminals of a primary winding of the transformer are coupled to a midpoint of bridge arms of the two half-bridge subunits. And a power electronic conversion system comprises a plurality of power electronic conversion units.