A fault-tolerant operation scheme for a modular multilevel converter with a distributed control architecture

S Yang, Y Tang, P Tu, P Wang - 2017 IEEE Energy Conversion …, 2017 - ieeexplore.ieee.org
Hot reserved redundant sub-modules significantly increase the reliability of MMC systems
equipped with considerable sub-modules. This paper presents a fault-tolerant operation …

A novel fault-tolerant control of modular multilevel converter under sub-module faults based on phase disposition PWM

J Yin, W Wu, T Wei, X Wu, Q Huo - Energies, 2018 - mdpi.com
Each arm of modular multilevel converter (MMC) consists of a large number of sub-module
(SM) units. However, it also increases the probability of SM failure during the long-term …

Data-driven fault detection of multiple open-circuit faults for MMC systems based on long short-term memory networks

C Fan, K Xiahou, L Wang, QH Wu - CSEE Journal of Power …, 2024 - ieeexplore.ieee.org
This paper presents a long short-term memory (LSTM)-based fault detection method to
detect the multiple open-circuit switch faults of modular multilevel converter (MMC) system …

A fault-tolerant strategy to control the matrix converter under an open-switch failure

JD Dasika, M Saeedifard - IEEE transactions on industrial …, 2014 - ieeexplore.ieee.org
In this paper, a new post-fault modulation strategy is proposed to operate the direct matrix
converter as close as possible to its desired normal operation under an open-switch fault …

DC fault tolerant hybrid multilevel converter topologies for high power applications

MB Ghat, A Reddy, A Shukla - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
Modular multilevel converter (MMC) based high voltage direct current (HVDC) systems are
quite popular in high power transmission systems as it offers low losses, high quality output …

New submodule improving fault-tolerant capability of modular multilevel converters

A Ghazanfari, YARI Mohamed - IEEE Transactions on Energy …, 2020 - ieeexplore.ieee.org
This article presents a new submodule (SM) circuit that facilitates the fault-tolerant capability
for modular multilevel converters (MMCs) under various internal and external faults. The …

An on-line fault detection and a post-fault strategy to improve the reliability of matrix converters

JD Dasika, M Saeedifard - 2013 Twenty-Eighth Annual IEEE …, 2013 - ieeexplore.ieee.org
This paper proposes a new on-line fault detection method to detect open-switch faults in a
Matrix Converter (MC). The proposed fault detection method is based on a two-step …

[HTML][HTML] Submodule fault-tolerant control based adaptive carrier-PDPWM for modular multilevel converters

A Elsanabary, TB Hashfi, S Mekhilef… - Energy Reports, 2021 - Elsevier
The modular multilevel converter (MMC) is considered a very promising candidate for
medium-voltage and/or high-power grids. One of the major concerns in half-bridge MMCs …

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 …

A fault-tolerant switching scheme for an isolated DC/AC matrix converter

A Tajfar, SK Mazumder - IEEE Transactions on Power …, 2014 - ieeexplore.ieee.org
A fault-tolerant scheme is proposed for a multistage isolated three-phase dc/ac matrix
inverter (MI-TMI). It comprises a front-end dc/ac converter followed by an ac/pulsating-dc …