Extended Model of Chopper Cells for Open Circuit Fault Detection in Modular Multilevel Cascade Converters using Sliding Mode Observers

Kreppel, Thomas; Rojas, Félix; Hackl, Christoph M.; Kalmbach, Oliver; Díaz, Matías; Gatica, Gustavo

doi:10.1109/pedg48541.2020.9244420

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Appendix B Tables Summarizing the Impacts Of Ocfs And Scfs O...1

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“…Note that, for simplicity, the bypassing diodes D 1 to D 4 are not considered in the modeling. Extended models which also consider diodes can be found in [170], [171]. voltage (f) SCF in S 1 &S 2 : σ x,1 y,k = 0, σ x,2 y,k = 1.…”

Section: Appendix B Tables Summarizing the Impacts Of Ocfs And Scfs O...mentioning

confidence: 99%

Faults in Modular Multilevel Cascade Converters—Part I: Reliability, Failure Mechanisms, and Fault Impact Analysis

Rojas

Jerez

Hackl

et al. 2022

IEEE Open J. Ind. Electron. Soc.

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Modular Multilevel Cascade Converters (MMCCs) are considered a promising power electronics topology in industry. Their scalability allows to reach (ultra/very) high voltage levels with low harmonic content and high efficiency and makes MMCCs an ideal solution for high-power applications; such as electrical drives, solid-state transformers and high-voltage direct-current (HVDC) transmission systems. However, the high levels of thermal, electrical and mechanical stress on the power electronics devices and the large number of components (e.g. capacitors or semiconductors) make MMCCs prone to faults reducing its reliability. In this first part of the paper, a comprehensive overview of reliability on MMCCs, failure mechanisms and fault impact analysis in MMCCs, including failure rates and fault modes is presented. Also a set of tables which collect all information to easily detect and identify faults in MMCCs is presented.

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Section: Appendix B Tables Summarizing the Impacts Of Ocfs And Scfs O...mentioning

confidence: 99%

Faults in Modular Multilevel Cascade Converters—Part I: Reliability, Failure Mechanisms, and Fault Impact Analysis

Rojas

Jerez

Hackl

et al. 2022

IEEE Open J. Ind. Electron. Soc.

View full text Add to dashboard Cite

show abstract

Extended Model of Chopper Cells for Open Circuit Fault Detection in Modular Multilevel Cascade Converters using Sliding Mode Observers

Cited by 1 publication

References 9 publications

Faults in Modular Multilevel Cascade Converters—Part I: Reliability, Failure Mechanisms, and Fault Impact Analysis

Faults in Modular Multilevel Cascade Converters—Part I: Reliability, Failure Mechanisms, and Fault Impact Analysis

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