Low voltage fault ride through control in MMC-HVDC

Sanjay Chaudhary, Remus Teodorescu, Dimitrios Rizadis, Lászlo Máthé

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1 Citationer (Scopus)

Abstract

Modular multilevel converters (MMCs) are the latest converter topology for the high voltage high power applications like the high voltage dc (HVDC) transmission. This paper presents the response of an MMC-HVDC converter during grid faults. Recent grid code requirements specify reactive current injection during low voltage fault conditions and negative sequence current injections during unbalanced faults. The impact of different current control strategies considering the positive and negative sequence current injection upon the MMC converter dynamics are analyzed and its demonstrated through time-domain simulations. It concludes that the oscillations in active power can be minimized at the cost of increased oscillation in the reactive power.
OriginalsprogEngelsk
TitelProceedings of the 2017 IEEE 26th International Symposium on Industrial Electronics (ISIE)
Antal sider6
ForlagIEEE Press
Publikationsdatojun. 2017
Sider750-755
ISBN (Trykt)978-1-5090-14-12-5
DOI
StatusUdgivet - jun. 2017
Begivenhed2017 IEEE 26th International Symposium on Industrial Electronics (ISIE) - Edinburgh, Storbritannien
Varighed: 19 jun. 201721 jun. 2017

Konference

Konference2017 IEEE 26th International Symposium on Industrial Electronics (ISIE)
Land/OmrådeStorbritannien
ByEdinburgh
Periode19/06/201721/06/2017

Emneord

  • HVDC power convertors
  • electric current control
  • power transmission control
  • power transmission faults
  • reactive power
  • voltage control
  • voltage-source convertors
  • MMC-HVDC converter
  • active power oscillations
  • converter topology
  • current control strategies
  • grid code requirements
  • grid faults
  • high voltage DC transmission
  • low voltage fault ride through control
  • modular multilevel converters
  • negative sequence current injections
  • positive sequence current injection
  • reactive current injection
  • reactive power oscillation
  • time-domain simulations
  • Capacitors
  • HVDC transmission
  • Level control
  • Low voltage
  • Modular multilevel converters
  • Reactive power
  • Voltage control
  • High voltage dc (HVDC)
  • Modular multilevel converter (MMC)
  • fault ride through
  • synchronization

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