公开(公告)号：US20210044244A1

公开(公告)日：2021-02-11

申请号：US17040553

申请日：2019-03-21

Applicant: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Dong JIANG ,  An LI ,  Zicheng LIU

IPC: H02P27/12

Abstract: The disclosure provides an N-phase N+1 bridge arm inverter, including: N+1 bridge arms, wherein each of the bridge arms includes an upper bridge arm power switching device and a lower bridge arm power switching device, upper node of the upper bridge arm power switching device in each of the bridge arms is connected to a DC bus voltage, lower node of the lower bridge arm power switching device is connected to a power ground, and lower node of the upper bridge arm power switching device is connected to upper node of the lower bridge arm power switching device as an output node of the bridge arm. N is a total phase number of a motor, N is an odd number, and N is greater than 3.