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 …

Survey on fault-tolerant techniques for power electronic converters

W Zhang, D Xu, PN Enjeti, H Li… - … on Power Electronics, 2014 - ieeexplore.ieee.org
With wide-spread application of power electronic converters in high power systems, there
has been a growing interest in system reliability analysis and fault-tolerant capabilities. This …

Review of fault diagnosis and fault-tolerant control methods of the modular multilevel converter under submodule failure

Q **ao, Y **, H Jia, Y Tang… - … on Power Electronics, 2023 - ieeexplore.ieee.org
Modular multilevel converters (MMCs) have attracted extensive research interests in various
ac and dc conversion applications due to their modular structure and excellent harmonic …

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 …

DC fault detection and location in meshed multiterminal HVDC systems based on DC reactor voltage change rate

R Li, L Xu, L Yao - IEEE Transactions on Power Delivery, 2016 - ieeexplore.ieee.org
The change rate of the dc reactor voltage with predefined protection voltage thresholds is
proposed to provide fast and accurate dc fault detection in a meshed multiterminal HVDC …

Survey of fault-tolerance techniques for three-phase voltage source inverters

B Mirafzal - IEEE Transactions on Industrial Electronics, 2014 - ieeexplore.ieee.org
Inverters play key roles in motor drives, flexible power transmissions, and recently grid-tied
renewable energy generation units. Therefore, availability and reliability of inverters have …

Fault diagnosis and tolerant control of single IGBT open-circuit failure in modular multilevel converters

B Li, S Shi, B Wang, G Wang… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
The modular multilevel converter (MMC) is distinguished by its modularity that is the use of
standardized submodules (SMs). To enhance reliability and avoid unscheduled …

A simplified nearest level control (NLC) voltage balancing method for modular multilevel converter (MMC)

PM Meshram, VB Borghate - IEEE Transactions on Power …, 2014 - ieeexplore.ieee.org
In this paper, a simplified nearest level control balancing method for modular multilevel
converter is presented. The proposed method neither requires individual sorting of the …

Hybrid design of modular multilevel converters for HVDC systems based on various submodule circuits

J Qin, M Saeedifard, A Rockhill… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
The modular multilevel converter (MMC) has become the most promising converter
technology for high-voltage direct current (HVDC) transmission systems. However, similar to …

Quasi two-level operation of modular multilevel converter for use in a high-power DC transformer with DC fault isolation capability

IA Gowaid, GP Adam, AM Massoud… - … on Power Electronics, 2014 - ieeexplore.ieee.org
DC fault protection is one challenge impeding the development of multiterminal dc grids.
The absence of manufacturing and operational standards has led to many point-to-point …