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Optimizing DC voltage droop settings for AC/DC system interactions
KTH, School of Electrical Engineering (EES), Electric Power Systems.ORCID iD: 0000-0002-2356-4795
KTH, School of Electrical Engineering (EES), Electric Power Systems.ORCID iD: 0000-0002-6431-9104
2014 (English)In: IEEE Transactions on Power Delivery, ISSN 0885-8977, E-ISSN 1937-4208, Vol. 29, no 1, 362-369 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, a methodology is presented to optimize the dc voltage droop settings in a multiterminal voltage-source converter high-voltage direct-current system with respect to the ac system stability. Implementing dc voltage droop control enables having multiple converters assisting the system in case of a converter outage. However, the abrupt power setpoint changes create additional stress in the ac system, especially when multiple converters are connected to the same interconnected ac system. This paper presents a methodology to determine optimizd converter droop settings in order to not compromise the ac system stability, thereby taking into account the adverse effect the droop control actions have on the interconnected ac system. Developing a disturbance model of the interconnected ac/dc system, the principal directions indicate the gain and directionality of the disturbances; from this, optimal droop settings are derived to minimize the disturbance gain.

Place, publisher, year, edition, pages
2014. Vol. 29, no 1, 362-369 p.
Keyword [en]
HVDC converters, HVDC transmission, voltage droop, voltage-source converter-direct current (VSC-HVDC)
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-142813DOI: 10.1109/TPWRD.2013.2264757ISI: 000330768900047Scopus ID: 2-s2.0-84893770603OAI: oai:DiVA.org:kth-142813DiVA: diva2:704506
Note

QC 20140312

Available from: 2014-03-12 Created: 2014-03-12 Last updated: 2017-12-05Bibliographically approved

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Ghandhari, Mehrdad

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CiteExportLink to record
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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
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