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 simultaneous diagnosis method for power switch and current sensor faults in grid-connected three-level NPC inverters

S Xu, W Huang, H Wang, W Zheng… - … on Power Electronics, 2022 - ieeexplore.ieee.org
A simultaneous diagnosis method for power switch open-circuit faults and current sensor
faults of grid-connected three-level neutral point clamped (NPC) inverters is proposed …

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

Q Xiao, Y Jin, 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 …

An online data-driven method for simultaneous diagnosis of IGBT and current sensor fault of three-phase PWM inverter in induction motor drives

B Gou, Y Xu, Y Xia, Q Deng, X Ge - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article presents an online data-driven diagnosis method for multiple insulated gate
bipolar transistors (IGBTs) open-circuit faults and current sensor faults in the three-phase …

Faults in modular multilevel cascade converters–Part II: Fault tolerance, fault detection and diagnosis, and system reconfiguration

F Rojas, C Jerez, CM Hackl… - IEEE Open Journal …, 2022 - ieeexplore.ieee.org
Modular multilevel cascade converters (MMCCs) are considered a promising power
electronics topology in industry. Their scalability allows to reach (ultra/very) high voltage …

A transferrable data-driven method for IGBT open-circuit fault diagnosis in three-phase inverters

Y Xia, Y Xu - IEEE Transactions on Power Electronics, 2021 - ieeexplore.ieee.org
Machine learning (ML) based data-driven methods have shown promising performance in
power converter fault diagnosis. However, the existing ML model trained by one fault …

A novel detection and localization approach of open-circuit switch fault for the grid-connected modular multilevel converter

Y Jin, Q Xiao, H Jia, Y Ji, T Dragičević… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
The open-circuit fault detection and localization (FDL) technique can improve the reliability
of the modular multilevel converter (MMC). However, the conventional software-based FDL …

Multiple open-circuit fault diagnosis for back-to-back converter of PMSG wind generation system based on instantaneous amplitude estimation

S Xu, S Tao, W Zheng, Y Chai, M Ma… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
To increase the reliability and availability of wind turbines, a new diagnosis method was
proposed for multiple open-circuit faults in the back-to-back converters of turbines using …

Switch open-circuit fault localization strategy for MMCs using sliding-time window based features extraction algorithm

F Deng, M Jin, C Liu, M Liserre… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Fault localization is one of the most important issues for the modular multilevel converters
(MMC) consisting of lots of switches. This article proposes a switch open-circuit fault …

Fault localization strategy for modular multilevel converters under submodule lower switch open-circuit fault

C Liu, F Deng, Q Heng, R Zhu, M Liserre… - … on Power Electronics, 2019 - ieeexplore.ieee.org
The modular multilevel converter (MMC) is an attractive option for high-voltage and high-
power applications. Fault localization is one of the most important challenges for the MMC …