Test of 6-kVA three-phase flux transfer-type current-limiting transformer

E. Ertekin*, S. Gecer, E. Yanmaz, S. Safran, J. Kosa, E. S. Kilicarslan, A. Kilic, N. Amemiya, A. Gencer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
9 Downloads (Pure)

Abstract

A 6-kVA three-phase model of the flux transfer-type current-limiting transformer was developed and tested. In this device, the winding loops of YBCO superconducting tapes couple magnetically two independent iron cores: the primary-side iron core and the secondary-side iron core. The former and the latter are equipped with copper primary and secondary windings, respectively. Because the magnetic fluxes linked to the superconducting winding loops must be kept constant, the magnetic flux is transferred by the superconducting YBCO loops between the two iron cores in order to couple magnetically the primary and secondary coils. While the YBCO loops are superconducting, 100% of the magnetic flux is transferred and the device shows the similar function as usual transformers. Once the YBCO loops become normal by a fault current in any of the windings, the power transfer between two iron cores is limited and the current in the secondary winding is limited naturally on a result of decoupling the iron cores.
Original languageEnglish
Pages (from-to)3549-3553
Number of pages5
JournalJournal of Superconductivity and Novel Magnetism
Volume30
Issue number12
Early online date18 Jul 2016
DOIs
Publication statusPublished - 31 Dec 2017

Keywords

  • current-limiting transformer
  • superconducting loops
  • superconducting wire/tape

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