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A multi-modular system based on parallel-connected multilevel flying capacitor converters controlled with fundamental frequency SPWM

Feng, C. M., Liang, Jun, Agelidis, V. and Green, T. C. 2006. A multi-modular system based on parallel-connected multilevel flying capacitor converters controlled with fundamental frequency SPWM. Presented at: Proceedings of the 32nd Annual Conference of the IEEE Industrial Electronics Society (IECON06), Paris, France, 6-10 November 2006. IECON 2006 - 32nd Annual Conference on IEEE Industrial Electronics Society. Piscataway, NJ: IEEE, 2360 - 2365. 10.1109/IECON.2006.347459

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Abstract

The operation performance of a multi-modular system based on parallel-connected multilevel flying capacitor (FC) converters controlled with the fundamental frequency sinusoidal pulse-width modulation (FF-SPWM) method is analyzed in this paper. A controller is designed to mitigate the circulating current among converter modules when a phase-shifting SPWM method is utilised in order to reduce the output voltage harmonics. The proposed system exhibits lower power losses when compared with the higher frequency SPWM-controlled single-module multilevel FC converter or higher frequency SPWM-controlled two-level conventional converter. Simulations with two five-level FC converter modules are carried out to verify the proposed multi-modular system and its performance under the proposed modified control scheme. The results confirm the attractiveness of the proposed system

Item Type: Conference or Workshop Item (Paper)
Book Type: Authored Book
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: IEEE
ISBN: 1424403901
ISSN: 1553-572X
Last Modified: 04 Jun 2017 03:05
URI: http://orca.cf.ac.uk/id/eprint/16576

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