Dynamic Average Converter Model for MVDC Link Harmonic Analysis: 2019 IEEE Milan PowerTech

T. Joseph, S. Balasubramaniam, Gen Li, J. Liang, Wenlong Ming, A. Moon, K. Smith, J. Yu

Research output: Chapter in Book/Report/Conference proceedingConference proceedingpeer-review

5 Citations (Scopus)


Medium-voltage direct-current (MVDC) technology has been widely considered as a key enabler to generate, convert and dispense electrical power with enhanced connectivity, security and quality. However, with the significant deployment of power electronics converters with high-switching frequency in MVDC systems, accurate analysis of system dynamic behavior such as harmonic distortions have become a computationally intensive task. To address these challenge average models of converters have been proposed to facilitate faster computation. However, these models only capture the steady-state characteristics of the system. To this end, in this paper, three types of time-domain based converter models: detailed, average and switching average models are presented for harmonic studies. The suitability of the modelling fidelity in reducing substantial simulation time has been validated with a practical converter topology used for the first MVDC link in Europe. Simulation based on the switching average model is shown to provide all relevant information as obtained from the detailed switching model while consuming considerably less computation time than the latter.
Original languageEnglish
Title of host publication2019 IEEE Milan PowerTech
Number of pages6
ISBN (Electronic)978-1-5386-4722-6
ISBN (Print)978-1-5386-4723-3
Publication statusPublished - 26 Aug 2019
Externally publishedYes


  • harmonic analysis
  • harmonic distortion
  • HVDC power convertors
  • HVDC power transmission
  • power electronics
  • dynamic average converter model
  • medium-voltage direct-current technology
  • electrical power
  • power electronics converters
  • high-switching frequency
  • MVDC systems
  • system dynamic behavior
  • harmonic distortions
  • steady-state characteristics
  • time-domain based converter models
  • modelling fidelity
  • MVDC link harmonic analysis
  • switching average models
  • Europe
  • Computational modeling
  • Harmonic analysis
  • Switches
  • Voltage control
  • Topology
  • Power system harmonics
  • Mathematical model
  • Average model
  • distribution netwroks
  • medium voltage DC
  • voltage source converters
  • Medium voltage DC
  • Distribution netwroks
  • Harmonic distortion
  • Voltage source converters

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Energy Engineering and Power Technology
  • Computer Networks and Communications
  • Renewable Energy, Sustainability and the Environment


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