An Eight-Switch Five-Level Current Source Inverter

Weiqi Wang, Feng Gao, Yongheng Yang, Frede Blaabjerg

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Abstrakt

This paper proposes an eight-switch three-phase five-level current source inverter (CSI), which employs only one traditional H6 inverter and two shunt branches at the DC side to realize the five-level switching. The corresponding space vector modulation (SVM) strategy for the proposed CSI topology is also presented, which uses the two shunt-connected power switches to add certain special modulation-state segments to ensure the switching instants completed under lower current stresses and lower power dissipation. Compared with other five-level CSI topologies, the proposed CSI utilizes less power switches. Simulation and experimental results verified the performance of the proposed CSI.

OriginalsprogEngelsk
Artikelnummer8556468
TidsskriftI E E E Transactions on Power Electronics
Vol/bind34
Udgave nummer9
Sider (fra-til)8389-8404
Antal sider16
ISSN0885-8993
DOI
StatusUdgivet - sep. 2019

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