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Modelling and control of modular multi-level converter based HVDC systems using symmetrical components

  • Yuanze Zhang
  • , Jayashri Ravishankar
  • , Rui Li
  • University of New South Wales
  • University of Strathclyde

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

Abstract

This paper studies the use of modular multi-level converter (MMC) in a HVDC transmission system. MMC, thanks to its robustness and high current quality and flexibility, has been widely used in HVDC transmission applications. However not many work is devoted to the area of MMC based HVDC system under unbalanced grid condition. This paper investigates a point to point MMC-HVDC system characteristics under unbalanced AC conditions. A model of a MMC converter is built under unbalanced conditions. Based on this model a control method, which controls positive- negative- and zero-sequence current components independently is proposed. A simulation case study is conducted to test the performance of the proposed controller.

Original languageEnglish
Title of host publication2015 IEEE 15th International Conference on Environment and Electrical Engineering, EEEIC 2015 - Conference Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1910-1915
Number of pages6
ISBN (Electronic)9781479979936
DOIs
StatePublished - 22 Jul 2015
Externally publishedYes
Event15th IEEE International Conference on Environment and Electrical Engineering, EEEIC 2015 - Rome, Italy
Duration: 10 Jun 201513 Jun 2015

Publication series

Name2015 IEEE 15th International Conference on Environment and Electrical Engineering, EEEIC 2015 - Conference Proceedings

Conference

Conference15th IEEE International Conference on Environment and Electrical Engineering, EEEIC 2015
Country/TerritoryItaly
CityRome
Period10/06/1513/06/15

Keywords

  • HVDC transmission
  • Modular multi-level converter
  • System Modelling
  • Unbalanced grid

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