Five-level current-source inverters with buck-boost and inductive-current balancing capabilities

Gao, Feng , Loh, Poh Chiang , Blaabjerg, Frede, & Vilathgamuwa, D. Mahinda (2010) Five-level current-source inverters with buck-boost and inductive-current balancing capabilities. IEEE Transactions on Industrial Electronics, 57(8), pp. 2613-2622.

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This paper presents new five-level current-source inverters (CSIs) with voltage/current buck-boost capability, unlike existing five-level CSIs where only voltage-boost operation is supported. The proposed inverters attain self-inductive-current-balancing per switching cycle at their dc front ends without having to include additional balancing hardware or complex control manipulation. The inverters can conveniently be controlled by using the well-established phase-shifted carrier modulation scheme with only two additional linear references and a mapping logic table needed. Existing modulators can therefore be conveniently retrofitted for controlling the presented inverters. By appropriately coordinating the inverter gating signals, their implementations can be realized by using the least number of components without degrading performance. These enhanced features of the inverters have already been verified in simulation and experimentally using a scaled-down laboratory platform.

Impact and interest:

9 citations in Scopus
6 citations in Web of Science®
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ID Code: 72519
Item Type: Journal Article
Refereed: Yes
Keywords: Buck–boost, Current-source inverter (CSI), Multilevel inverter
DOI: 10.1109/TIE.2009.2030208
ISSN: 0278-0046
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: © 2010 Institute of Electrical and Electronics Engineers
Deposited On: 03 Jun 2014 04:46
Last Modified: 21 Jun 2017 14:01

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