Feng, C. M., Liang, Jun ![]() |
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) |
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Book Type: | Authored Book |
Date Type: | Publication |
Status: | Published |
Schools: | Engineering |
Publisher: | IEEE |
ISBN: | 1424403901 |
ISSN: | 1553-572X |
Last Modified: | 18 Oct 2022 14:08 |
URI: | https://orca.cardiff.ac.uk/id/eprint/16576 |
Citation Data
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