Modified Secondary-Control-Based Fault Current Limiter for Inverters

Siavash Beheshtaein, Mehdi Savaghebi, Robert M. Cuzner, Saeed Golestan, Josep M. Guerrero

Research output: Contribution to journalJournal articleResearchpeer-review

14 Citations (Scopus)
321 Downloads (Pure)

Abstract

Fault Current Limiters (FCLs) are one of the main solutions to upcoming challenges in microgrid protection. Regarding the high penetration of distributed generations (DGs) in future power system, designing cheap and effective FCL is a necessity. The present study addresses this issue by proposing an embedded FCL operating based on modifying the secondary control of four-wire DG. As this method is presented for a four-wire system, besides very low implementing cost, it has independency and flexibility to only limit the current of DG faulted phase. This study also provides real-time simulation results by OPAL-RT to compare the proposed method with a virtual-impedance-based FCL to validate its effectiveness. Finally, experimental results are presented to validate the effectiveness of the proposed FCL.
Original languageEnglish
Article number8408730
JournalI E E E Transactions on Industrial Electronics
Volume66
Issue number6
Pages (from-to)4798-4804
Number of pages7
ISSN0278-0046
DOIs
Publication statusPublished - Jun 2019

Keywords

  • Fault current limiter (FCL)
  • moving average filter (MAF)
  • protection
  • secondary control

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