A new control for modular multilevel converters and their use as DC circuit breaker

This paper presents a new modulation for modular multilevel converters (MMC) based on a simple idea, which is very easy to implement. It consists of playing with the relative behaviour of each phase in order to obtain the desired AC voltage. This method also assures that the voltage capacitor in eac...

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Bibliographic Details
Published in2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe) pp. 1 - 10
Main Authors Jimenez Carrizosa, M., Arzande, A., Vasic, M., Alou, P., Vannier, J. C.
Format Conference Proceeding
LanguageEnglish
Published Jointly owned by IEEE-PELS and EPE Association 01.09.2016
Subjects
Bridge circuits
Capacitors
Converters
Harmonic analysis
HVDC transmission
Modulation
Multilevel converters
Multiterminal HVDC
Protection device
Voltage control
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Summary:This paper presents a new modulation for modular multilevel converters (MMC) based on a simple idea, which is very easy to implement. It consists of playing with the relative behaviour of each phase in order to obtain the desired AC voltage. This method also assures that the voltage capacitor in each sub-module remains constant. Moreover, this converter allows the operation of the system under unbalanced conditions, and it can be used intrinsically as a DC circuit-breaker (DC-CB) without the need for additional power electronics and control if full bridge sub-modules are used.
DOI:10.1109/EPE.2016.7695566