Design and experiments of novel hybrid type superconducting fault current limiters

B. W. Lee, K. B. Park, J. Sim, I. S. Oh, Haigun Lee, H. R. Kim, O. B. Hyun

Research output: Contribution to journalArticle

71 Citations (Scopus)

Abstract

In order to apply resistive superconducting fault current limiters into electric power systems, the urgent issues to be settled are as follows, such as initial installation price of SFCL, operation and maintenance cost due to ac loss of superconductor and the life of cryostat, and high voltage and high current problems. The ac loss and high cost of superconductor and cryostat system are main bottlenecks for real application. Furthermore in order to increase voltage and current ratings of SFCL, a lot of superconductor components should be connected in series and parallel which resulted in extreme high cost. In addition, the method to quench all components at the same instant needs very sophisticated skill and careful operation. Due to these problems, the practical applications of SFCL were pending. Therefore, in order to make practical SFCL, the price of SFCL should be lowered and should meet the demand of utilities. LSIS and KEPRI designed novel hybrid SFCL which combines superconductor and conventional electric equipment including vacuum interrupter, power fuse and current limiting reactor. The main purpose of hybrid SFCL is to drastically reduce total usage of superconductor by adopting current commutation method by use of superconductor and ultra fast switch. Consequently, it was possible to get the satisfactory test results using this method, and further works for field tests are in the process.

Original languageEnglish
Article number4512950
Pages (from-to)624-627
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume18
Issue number2
DOIs
Publication statusPublished - 2008 Jun 1

Fingerprint

Superconducting fault current limiters
Superconducting materials
Cryostats
Experiments
cryostats
costs
Current limiting reactors
electric equipment
Electric equipment
Costs
fuses
Electric commutation
field tests
commutation
ratings
Electric potential
Electric fuses
Electric power systems
electric power
maintenance

Keywords

  • Fault current
  • Hybrid fault current limiters
  • Superconducting fault current limiters

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Physics and Astronomy (miscellaneous)

Cite this

Design and experiments of novel hybrid type superconducting fault current limiters. / Lee, B. W.; Park, K. B.; Sim, J.; Oh, I. S.; Lee, Haigun; Kim, H. R.; Hyun, O. B.

In: IEEE Transactions on Applied Superconductivity, Vol. 18, No. 2, 4512950, 01.06.2008, p. 624-627.

Research output: Contribution to journalArticle

Lee, B. W. ; Park, K. B. ; Sim, J. ; Oh, I. S. ; Lee, Haigun ; Kim, H. R. ; Hyun, O. B. / Design and experiments of novel hybrid type superconducting fault current limiters. In: IEEE Transactions on Applied Superconductivity. 2008 ; Vol. 18, No. 2. pp. 624-627.
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