Generalized switching function model of modular multilevel converter

G. P. Adam, P Li, I. A. Gowaid, B. W. Williams

Research output: Chapter in Book/Report/Conference proceedingPublished conference contribution

16 Citations (Scopus)


—this paper presents a generalized switching function model of the modular multilevel converter (MMC) that can be used instead of MMC electromagnetic transient simulation model for full-scale simulations of high-voltage dc (HVDC) and flexible ac transmission systems (FACTS). The proposed method is computationally more efficient and numerically stable than its electromagnetic transient simulation counterpart, and it is applicable for wide range of studies, including ac and dc network faults. The proposed switching function model is packaged in a graphical form to suit various simulation platforms such as Simulink and PSCAD. The validity of the presented model is confirmed using simulation and its scalability has been demonstrated on MMC with 301 cells per arm, considering power reversal during normal operation and dc short circuit fault. Key words—electromagnetic transient simulation model; modular multilevel converter; high-voltage dc transmission systems; and switching function model.
Original languageEnglish
Title of host publicationProceedings of the IEEE International Conference on Industrial Technology
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages6
ISBN (Print)9781479977994
Publication statusPublished - 16 Jun 2015

Publication series

NameProceedings of the IEEE International Conference on Industrial Technology


  • electromagnetic transient simulation model
  • high-voltage dc transmission systems
  • modular multilevel converter
  • switching function model


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