Fault blocking converters for HVDC transmission: a transient behaviour comparison

D. Vozikis, P. Rault, D. Holliday, S. Finney

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Abstract

A thorough comparison of the transient behaviours of two state-of-the-art converters suitable for HVDC transmission is presented. The Alternate Arm and Mixed-Cell Modular Multilevel Converter topologies both have DC fault blocking capability and are selected for the comparison. Converter performance is evaluated and compared under various transient conditions including charging sequence, unbalanced operation, and DC fault recovery. The study is conducted using high-fidelity converter simulation models, integrating detailed controllers that reflect real-scale projects. The main findings of the study assist in the selection of the most suitable converter, given specific performance specifications such as capacitor voltage ripple, cell capacitor requirements, and response during transient operation.
Original languageEnglish
Title of host publicationProceedings of the The 9th IET International Conference on Power Electronics, Machines and Drives
Subtitle of host publicationPEMD 2018
Place of PublicationPiscataway, N.J.
PublisherIEEE
Publication statusPublished - 19 Apr 2018
EventThe 9th International Conference on Power Electronics, Machines and Drives - Liverpool, United Kingdom
Duration: 17 Apr 201819 Apr 2018
Conference number: 9th
https://events.theiet.org/pemd/

Conference

ConferenceThe 9th International Conference on Power Electronics, Machines and Drives
Abbreviated titlePEMD 2018
CountryUnited Kingdom
CityLiverpool
Period17/04/1819/04/18
Internet address

Keywords

  • HVDC
  • mixed cell converter
  • DC fault blocking

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  • Cite this

    Vozikis, D., Rault, P., Holliday, D., & Finney, S. (2018). Fault blocking converters for HVDC transmission: a transient behaviour comparison. In Proceedings of the The 9th IET International Conference on Power Electronics, Machines and Drives: PEMD 2018 Piscataway, N.J.: IEEE.