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A study on the control of a hybrid MTDC system supplying a passive network
KTH, School of Electrical Engineering (EES), Electric Power Systems.
KTH, School of Electrical Engineering (EES), Electric Power Systems.ORCID iD: 0000-0002-6431-9104
2014 (English)In: POWERCON 2014 - 2014 International Conference on Power System Technology: Towards Green, Efficient and Smart Power System, Proceedings, 2014, 2427-2432 p.Conference paper, Published paper (Refereed)
Abstract [en]

A hybrid Multi-Terminal DC (MTDC) system can combine the benefits of both Line Commutated Converter (LCC) and Voltage Source Converter (VSC) technologies in the form of reduced losses and flexibility to connect to weak and passive grids. In this paper, an analysis of control strategies used in a hybrid MTDC system is presented. A case study of a four terminal hybrid MTDC system supplying a passive AC network was considered for simulation study. A control scheme based on voltage margin was developed to cope with the condition of main DC voltage controlling station tripping. Two various control scenarios for controlling the VSCs connected to the passive network were presented and compared. The system performance was studied through EMTP-RV simulations under different disturbances. The results show the ability of selected converter control modes and proposed control schemes to operate the hybrid MTDC system under different disturbance conditions.

Place, publisher, year, edition, pages
2014. 2427-2432 p.
Keyword [en]
Hybrid MTDC, MTDC, MTDC control, passive network, Power converters, Control strategies, Converter controls, Line commutated converter (LCC), Multi-terminal dc, Simulation studies, Voltage source converters, Passive networks
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-167935DOI: 10.1109/POWERCON.2014.6993997ISI: 000358576302095Scopus ID: 2-s2.0-84925252647ISBN: 9781479950324 (print)OAI: oai:DiVA.org:kth-167935DiVA: diva2:817554
Conference
2014 International Conference on Power System Technology, POWERCON 2014, 20 October 2014 through 22 October 2014
Note

QC 20150605

Available from: 2015-06-05 Created: 2015-05-22 Last updated: 2015-09-11Bibliographically approved

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Ghandhari, Mehrdad

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf