Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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Analysis on the Protective Coordination with the Superconducting Fault Current Limiter for the Application into the KEPCO Grid

  • Kim, Jin-Seok (Dept. of Electrical Engineering at Soongsil Univ.) ;
  • Kim, Jae-Chul (Dept. of Electrical Engineering at Soongsil Univ.) ;
  • Lim, Sung-Hun (Dept. of Electrical Engineering at Soongsil Univ.)
  • Received : 2011.01.09
  • Accepted : 2011.03.15
  • Published : 2011.03.30
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Abstract

In this paper, the protection coordination of the protection devices such as the over-current relay (OCR) and recloser (R/C) with superconducting fault current limiter (SFCL) was investigated in a KEPCO grid. The operation time and protection coordination of the protection devices were changed by the SFCL. Through the analysis for protection coordination between the SFCL and the protection devices in the KEPCO grid, the operation time was observed to depend on the impedance of the SFCL.

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References

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