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Title: Five-Level Multiple-Pole PWM AC-AC Converters with Reduced Components Count
Authors: Lim, Ziyou
Ooi, Gabriel Heo Peng
Maswood, Ali Iftekhar
Keywords: Five-level (5L) multiple-pole converter; reduce number of semiconductor devices; transformerless drive
Issue Date: 2015
Source: Ooi, G.H.P., Maswood, A.I., & Lim, Z. (2015). Five-Level Multiple-Pole PWM AC–AC Converters With Reduced Components Count. IEEE Transactions on Industrial Electronics, 63(8), 4739-4748.
Series/Report no.: IEEE Transactions on Industrial Electronics
Abstract: This paper proposes novel multilevel AC/DC/AC converters with reduced number of semiconductor devices to achieve light weight, efficiency and better input current quality. The proposed three-phase front-end bidirectional five-level (5L) rectifier and rear-end 5L-inverter are constructed based on multiple-pole multilevel diode-clamped approach (M2DCC), which consist a total number of 24 diode components clamped. Based on M2DCC concept, the number of switching devices can be further reduced to construct a new unidirectional front-end rectifier (M2SCR). Comparative studies are conducted to analyze the performances of the two proposed front-end rectifiers with supportive mathematical derivations. Experimental prototypes have proven the feasibility of the proposed AC/DC/AC configurations. Results obtained show that low current harmonic distortions of 5% and high power factor of 0.99 are achieved with small input inductors despite of low switching frequency operation at 1 kHz.
ISSN: 0278-0046
DOI: 10.1109/TIE.2015.2405504
Schools: School of Electrical and Electronic Engineering 
Rights: © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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