On-line fault diagnosis and fault-tolerant operation of modular multilevel converters—A comprehensive review

JB He, Q Yang, Z Wang - CES Transactions on Electrical …, 2020 - ieeexplore.ieee.org
Modular multilevel converters (MMCs) have been one of the most broadly used multilevel
converter topologies in industrial applications, particularly in medium-voltage motor drives …

Modular multilevel converters technology: a comprehensive study on its topologies, modelling, control and applications

MN Raju, J Sreedevi, RP Mandi… - IET Power …, 2019 - Wiley Online Library
A modular multilevel converter (MMC) is one of the perfect topologies for high power and
medium‐/high‐voltage energy conversion systems. The MMC has attractive features such as …

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

A Dekka, B Wu, RL Fuentes, M Perez… - IEEE Journal of …, 2017 - ieeexplore.ieee.org
Modular multilevel converter (MMC) is one of the most promising topologies for medium to
high-voltage high-power applications. The main features of MMC are modularity, voltage …

A novel nine-level inverter employing one voltage source and reduced components as high-frequency AC power source

J Liu, J Wu, J Zeng, H Guo - IEEE Transactions on Power …, 2016 - ieeexplore.ieee.org
Increasing demands for power supplies have contributed to the population of high-frequency
ac (HFAC) power distribution system (PDS), and in order to increase the power capacity …

Seven-level PWM inverter employing series-connected capacitors paralleled to a single DC voltage source

JS Choi, F Kang - IEEE Transactions on Industrial Electronics, 2014 - ieeexplore.ieee.org
This paper presents an effective circuit configuration of a multilevel inverter that can increase
the number of output voltage levels with a reduced number of circuit components. The …

Fault-tolerant approach for modular multilevel converters under submodule faults

F Deng, Y Tian, R Zhu, Z Chen - IEEE Transactions on Industrial …, 2016 - ieeexplore.ieee.org
The modular multilevel converter (MMC) is attractive for medium-or high-power applications
because of the advantages of its high modularity, availability, and high power quality. The …

Fault current estimation in multi-terminal HVDC grids considering MMC control

M Langwasser, G De Carne, M Liserre… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
DC faults are critical events for the multi-terminal HVdc protection systems, where knowing
the critical fault time is fundamental in the protections design. Existing literature analyzes the …

Reliable modular multilevel converter fault detection with redundant voltage sensor

R Picas, J Zaragoza, J Pou… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper presents a fault-tolerant configuration for the modular multilevel converter (MMC).
The procedure is able to detect faults in voltage sensors and semiconductor switching …

Thermal analysis and balancing for modular multilevel converters in HVDC applications

F Hahn, M Andresen, G Buticchi… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
The modular multilevel converter (MMC) has become a very attractive solution for interfacing
high voltages in hybrid networks. The MMC enables scalability to different power levels, full …

Enhanced frequency shift carrier modulation for H-bridge multilevel converter to conquer the impact of instability in deputize condenser voltage.

KA Kumar - International Journal of Electrical Engineering …, 2020 - search.ebscohost.com
H-bridge multilevel converter is the most challenging topology from nominal to high power
applications. However, when the energy is exchanged between AC side and DC side or vice …