Review of Fault Diagnosis and Fault-Tolerant Control Methods of the Modular Multilevel Converter Under Submodule Failure

Qian Xiao; Yu Jin; Hongjie Jia; Yi Tang; Allan Fagner Cupertino; Yunfei Mu; Remus Teodorescu; Frede Blaabjerg; Josep Pou

doi:10.1109/TPEL.2023.3283286

Review of Fault Diagnosis and Fault-Tolerant Control Methods of the Modular Multilevel Converter Under Submodule Failure

Qian Xiao, Yu Jin, Hongjie Jia, Yi Tang, Allan Fagner Cupertino, Yunfei Mu, Remus Teodorescu, Frede Blaabjerg, Josep Pou

Research output: Contribution to journal › Journal article › Research › peer-review

59 Citations (Scopus)

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Abstract

Modular multilevel converters (MMCs) have attracted extensive research interests in various ac and dc conversion applications due to their modular structure and excellent harmonic performance. However, the large number of power switches increases the potential risk of submodule (SM) failure, which greatly challenges the safe and reliable operation of the MMC. This article presents a detailed review of fault diagnosis and fault-tolerant control methods of the MMC under SM failures. On this basis, comprehensive comparisons are conducted among different fault diagnosis methods, and verification results are provided to analyze the advantages and disadvantages of the popular fault-tolerant control methods. Finally, the review is concluded, and future trends and research opportunities are discussed.

Original language	English
Article number	10144660
Journal	I E E E Transactions on Power Electronics
Volume	38
Issue number	10
Pages (from-to)	12059 - 12077
Number of pages	19
ISSN	0885-8993
DOIs	https://doi.org/10.1109/TPEL.2023.3283286
Publication status	Published - Oct 2023

Keywords

Fault detection
fault diagnosis
fault localization
fault-tolerant
modular multilevel converter (MMC)
submodule (SM) failure

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10.1109/TPEL.2023.3283286

Review of Fault Diagnosis and Fault-Tolerant Control Methods of the Modular Multilevel Converter Under Submodule FailureAccepted author manuscript, 1.06 MBLicence: CC BY 4.0

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abstract = "Modular multilevel converters (MMCs) have attracted extensive research interests in various ac and dc conversion applications due to their modular structure and excellent harmonic performance. However, the large number of power switches increases the potential risk of submodule (SM) failure, which greatly challenges the safe and reliable operation of the MMC. This article presents a detailed review of fault diagnosis and fault-tolerant control methods of the MMC under SM failures. On this basis, comprehensive comparisons are conducted among different fault diagnosis methods, and verification results are provided to analyze the advantages and disadvantages of the popular fault-tolerant control methods. Finally, the review is concluded, and future trends and research opportunities are discussed.",

keywords = "Fault detection, fault diagnosis, fault localization, fault-tolerant, modular multilevel converter (MMC), submodule (SM) failure",

author = "Qian Xiao and Yu Jin and Hongjie Jia and Yi Tang and Cupertino, {Allan Fagner} and Yunfei Mu and Remus Teodorescu and Frede Blaabjerg and Josep Pou",

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AU - Jin, Yu

AU - Jia, Hongjie

AU - Tang, Yi

AU - Cupertino, Allan Fagner

AU - Mu, Yunfei

AU - Teodorescu, Remus

AU - Blaabjerg, Frede

AU - Pou, Josep

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AB - Modular multilevel converters (MMCs) have attracted extensive research interests in various ac and dc conversion applications due to their modular structure and excellent harmonic performance. However, the large number of power switches increases the potential risk of submodule (SM) failure, which greatly challenges the safe and reliable operation of the MMC. This article presents a detailed review of fault diagnosis and fault-tolerant control methods of the MMC under SM failures. On this basis, comprehensive comparisons are conducted among different fault diagnosis methods, and verification results are provided to analyze the advantages and disadvantages of the popular fault-tolerant control methods. Finally, the review is concluded, and future trends and research opportunities are discussed.

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KW - fault localization

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Review of Fault Diagnosis and Fault-Tolerant Control Methods of the Modular Multilevel Converter Under Submodule Failure

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