Modulation Methods for Modular Multilevel Converters with Full-Bridge Submodules

Ruusila, Arttu; Karamanakos, Petros; Antonopoulos, Antonios; Kivimäki, Jyri (2023)
 
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Ruusila, Arttu
Karamanakos, Petros
Antonopoulos, Antonios
Kivimäki, Jyri
2023

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doi:10.1109/eGrid58358.2023.10380932
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https://urn.fi/URN:NBN:fi:tuni-202401311997

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Peer reviewed
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Modulation methods for a modular multilevel converter (MMC) consisting of full-bridge (FB) submodules (SMs) are more complicated than their counterparts for an MMC consisting of half-bridge (HB) SMs. Although FB-SM MMC offers many benefits, the existing literature about the modulation methods is scarce. This paper aims to fill this gap by presenting the most relevant modulation methods for FB-SM MMCs and assessing them based on selected performance criteria, such as the quality of the output current, circulating current, and switching frequency.
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