NDLI: Five-Level Multiple-Pole PWM AC–AC Converters With Reduced Components Count

Content Provider	IEEE Xplore Digital Library
Author	Ooi, G.H.P. Maswood, A.I. Ziyou Lim
Copyright Year	1982
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 (M²DCC) approach, which consist a total number of 24 diode components clamped. Based on the 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 low-switching-frequency operation at 1 kHz.
Sponsorship	IEEE Industrial Electronics Society
Starting Page	4739
Ending Page	4748
Page Count	10
File Size	1718233
File Format	PDF
ISSN	02780046
Volume Number	62
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rectifiers Switches Topology Inverters Switching frequency Stress Capacitors transformerless drive Five-level multiple-pole converter reduce number of semiconductor devices Five-level (5L) multiple-pole converter
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications

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