IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society 2015
DOI: 10.1109/iecon.2015.7392430
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Utilising redundant voltage levels for circulating current control in modular multilevel converters

Abstract: Abstract-Control of the circulating current in the modular multilevel converter (MMC) is one of the major tasks for the proper operation of the converter topology. This paper develops a controller for the circulating current of the MMC that utilises the redundant voltage levels in 2N +1 modulated MMCs in order to regulate the current to its reference. The main advantages of the approach are the elimination of control loops that generate the voltages for the control of the circulating current, simple implementa… Show more

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Cited by 4 publications
(1 citation statement)
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“…An alternative implementation of a circulating current controller was presented in [92,93]. Instead of controlling the circulating current with the addition of a differential control signal to the modulation signal, this technique uses the available redundancies in the MMC controlled with 2N + 1 modulation.…”
Section: Control Of the Circulating Currentmentioning
confidence: 99%
“…An alternative implementation of a circulating current controller was presented in [92,93]. Instead of controlling the circulating current with the addition of a differential control signal to the modulation signal, this technique uses the available redundancies in the MMC controlled with 2N + 1 modulation.…”
Section: Control Of the Circulating Currentmentioning
confidence: 99%