A DC-Reactor-Based Solid-State Fault Current Limiter for HVdc Applications

Amir Heidary, Hamid Radmanesh*, Kumars Rouzbehi, Josep Pou

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

100 Citations (Scopus)

Abstract

Expansion of high-voltage dc (HVdc) systems to multi-terminal HVdc (MT-HVdc) systems/grids considerably increases the short-circuit levels. In order to protect the emerging MT-HVdc systems/grids against fault currents, proper dc fault current limiters (FCLs) must be developed. This paper proposes an innovative high inductance solid-state dc-reactor-based FCL (HISS-DCRFCL) to be used in HVdc applications. In fact, during the HISS-DCRFCL normal operation, its inductance value is extremely low, and its value becomes considerably high during the fault period, which decreases the fault current amplitude. The proposed HISS-DCRFCL performance is analyzed by MATLAB/Simulink and the simulation results are verified and confirmed by laboratory experimental results using a scaled-down laboratory prototype setup.

Original languageEnglish
Article number8620515
Pages (from-to)720-728
Number of pages9
JournalIEEE Transactions on Power Delivery
Volume34
Issue number2
DOIs
Publication statusPublished - 2019
Externally publishedYes

Keywords

  • dc-reactor
  • fault current limiters
  • HVdc
  • protection
  • smart grids

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