Improved Accuracy Average Value Models of Modular Multilevel Converters

Modular multilevel converters (MMCs) have become the converter topology of choice for voltage-source converter-high-voltage direct-current systems. Excellent work has previously been conducted to develop much needed average value models (AVM) for these complex converters; however, there a number of...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2016-10, Vol.31 (5), p.2260-2269
Main Authors: Beddard, A., Sheridan, C. E., Barnes, M., Green, T. C.
Format: Article
Language:English
Subjects:
Average value model (AVM)
Capacitance
Capacitors
Computational modeling
electromagnetic transient (EMT) simulation
HVDC transmission
Insulated gate bipolar transistors
modular multilevel converter (MMC)
Power conversion
Voltage control
voltage-source converter (VSC)
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Summary:Modular multilevel converters (MMCs) have become the converter topology of choice for voltage-source converter-high-voltage direct-current systems. Excellent work has previously been conducted to develop much needed average value models (AVM) for these complex converters; however, there a number of limitations as highlighted in this paper. This paper builds on the existing models, proposing numerous modifications and resulting in an enhanced MMC-AVM, which is significantly more accurate and which can be used for a wider range of studies, including DC faults.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2016.2535410