Mixed cells modular multilevel converter

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Abstract

This paper uses a scaled down version of the mixed cells modular multilevel converter (MMC) to discuss its modulation and capacitor voltage balancing method, and investigates its AC and DC fault ride-through capability. It has been found that the mixed MMC is resilient to both AC and DC network faults, which are necessary for next generations of highly meshed multi-terminal HVDC grids. The power losses comparison conducted in this paper has shown that the mixed cells MMC and three-level cells MMC achieve DC fault reverse blocking capability at reduced on-state losses than full-bridge MMC and alternative arm MMC.
Original languageEnglish
Title of host publication2014 IEEE 23rd International Symposium on Industrial Electronics (ISIE)
Place of PublicationPiscataway, NJ
PublisherIEEE
Pages1390-1395
Number of pages6
DOIs
Publication statusPublished - 1 Jun 2014

Keywords

  • DC fault reverse blocking capability
  • high - voltage DC transmission systems
  • hybrid cascaded multilevel converter
  • m odular multilevel co nverter
  • capacitors
  • circuit faults
  • converters

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  • Cite this

    Adam, G. P., Ahmed, K. H., & Williams, B. W. (2014). Mixed cells modular multilevel converter. In 2014 IEEE 23rd International Symposium on Industrial Electronics (ISIE) (pp. 1390-1395). Piscataway, NJ: IEEE. https://doi.org/10.1109/ISIE.2014.6864817