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 proceedingConference contribution book

17 Citations (Scopus)
248 Downloads (Pure)


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.
Original languageEnglish
Title of host publication2015 IEEE International Conference on Industrial Technology (ICIT)
Place of PublicationPiscataway, NJ.
Pages2702 - 2707
Number of pages6
ISBN (Print)9781479978007
Publication statusPublished - 18 Jun 2015
Event2015 IEEE International Conference on Industrial Technology - Meliá Sevilla, Seville, Spain
Duration: 17 Mar 201519 Mar 2015


Conference2015 IEEE International Conference on Industrial Technology
Abbreviated titleICIT 2015
Internet address


  • capacitors
  • computational modelling
  • integrated circuit modeling
  • numerical models
  • switches
  • switching circuits
  • voltage measurement
  • electromagnetic transient simulation model
  • high voltage dc transmission systems
  • modular multilevel converter
  • switching function model


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