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Multilevel converters topologies present important benefits when they are used on medium and high power applications. However, it is necessary to design new alternating methods to control easily the internal dynamics of the converter. This paper presents a new voltage balancing strategy for a flying capacitor multilevel converter in conjunction with a space vector modulation technique. The advantages...
This paper presents a new control strategy for a high performance hybrid cascaded H-Bridge HB multilevel converter with integrated series Active Power Filter Stage APFS. Unequal DC voltage sources are used to energise the converter's HBs. This offers increased number of voltage levels using fewer number of series connected HBs. Simple hybrid stair-case/SVM modulation strategy is proposed to synthesise...
In this paper a novel seven-level hybrid converter topology is introduced which is based on the active neutral-point-clamped multilevel converter concept and is suitable for high-power applications. The paper also proposes a space vector modulation (SVM)-based switching strategy that takes advantage of redundant switching vectors of the SVM method to counteract the voltage drift phenomenon of the...
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