DC Voltage Droop Control Structures and its Impact on the Interaction Modes in Interconnected AC-HVDC Systems

Florian Thams, Spyros Chatzivasileiadis, Robert Eriksson

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Different dc voltage droop control structures for future multi-terminal HVDC systems have been proposed in literature. This paper contributes to the evaluation of those structures by an analysis of their impact on the coupling of the interconnected subsystems. In particular, the modes of
the systems are classified in different subsets according to the participation of the various subsystems. Those subsets are then evaluated qualitatively and quantitatively indicating which impact the choice of the droop control structure has on the degree of coupling between the connected ac and dc systems respectively the different HVDC converters. The lowest damped interaction modes of the different subsets are analyzed in more detail.
Original languageEnglish
Title of host publicationProceedings of the 7th Innovative Smart Grid Technologies
Number of pages6
Publication date2017
ISBN (Print)978-1-5386-4951-0
ISBN (Electronic)978-1-5386-4950-3
Publication statusPublished - 2017
Event2017 IEEE PES Innovative Smart Grid Technologies Asia - Auckland, New Zealand
Duration: 4 Dec 20177 Dec 2017


Conference2017 IEEE PES Innovative Smart Grid Technologies Asia
CountryNew Zealand


  • HVDC transmission
  • Wind energy integration
  • State-space methods

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