Modular multilevel converters: Recent achievements and challenges

MA Perez, S Ceballos, G Konstantinou… - IEEE Open Journal …, 2021 - ieeexplore.ieee.org
The modular multilevel converter (MMC) is currently one of the power converter topologies
which has attracted more research and development worldwide. Its features, such as high …

Operation, control, and applications of the modular multilevel converter: A review

S Debnath, J Qin, B Bahrani… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
The modular multilevel converter (MMC) has been a subject of increasing importance for
medium/high-power energy conversion systems. Over the past few years, significant …

Circuit topologies, modeling, control schemes, and applications of modular multilevel converters

MA Perez, S Bernet, J Rodriguez… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
Modular multilevel converters have several attractive features such as a modular structure,
the capability of transformer-less operation, easy scalability in terms of voltage and current …

Reduced switching-frequency modulation and circulating current suppression for modular multilevel converters

Q Tu, Z Xu, L Xu - IEEE transactions on power delivery, 2011 - ieeexplore.ieee.org
This paper describes a modified phase-shifted carrier-based pulsewidth-modulation (PSC-
PWM) scheme for modular multilevel converters (MMC). In order to reduce the average …

Overview on submodule topologies, modeling, modulation, control schemes, fault diagnosis, and tolerant control strategies of modular multilevel converters

F Deng, Y Lü, C Liu, Q Heng, Q Yu… - Chinese Journal of …, 2020 - ieeexplore.ieee.org
In the present scenario, modular multilevel converters (MMCs) are considered to be one of
the most promising and effective topologies in the family of high-power converters because …

Predictive control of a modular multilevel converter for a back-to-back HVDC system

J Qin, M Saeedifard - IEEE Transactions on Power delivery, 2012 - ieeexplore.ieee.org
The modular multilevel converter (MMC) is one of the most potential converter topologies for
high-power/voltage systems, specifically for high-voltage direct current (HVDC). One of the …

Voltage balancing and fluctuation-suppression methods of floating capacitors in a new modular multilevel converter

K Wang, Y Li, Z Zheng, L Xu - IEEE Transactions on Industrial …, 2012 - ieeexplore.ieee.org
Modular multilevel converter (MMC) is a newly emerging multilevel topology for high-voltage
applications during recent years. In this paper, a new MMC is proposed, and the structure …

An inner current suppressing method for modular multilevel converters

Z Li, P Wang, Z Chu, H Zhu, Y Luo… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Ideally, the inner (the upper or lower arm) current of a modular multilevel converter (MMC) is
ideally assumed to be the sum of a dc component and an ac component of the fundamental …

Learning structured low-rank representations for image classification

Y Zhang, Z Jiang, LS Davis - Proceedings of the IEEE …, 2013 - openaccess.thecvf.com
An approach to learn a structured low-rank representation for image classification is
presented. We use a supervised learning method to construct a discriminative and …

Cell capacitor sizing in multilevel converters: cases of the modular multilevel converter and alternate arm converter

MMC Merlin, TC Green - IET Power Electronics, 2015 - Wiley Online Library
Multilevel converters, such as the modular multilevel converter (MMC) or the alternate arm
converter (AAC), rely on charged capacitors in their cells to generate their AC voltage …