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

  • 제28권7호
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  • Pages.62-68
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  • 2014
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  • 1229-4691(pISSN)
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  • 2287-5034(eISSN)
한국조명전기설비학회 (The Korean Institute of IIIuminating and Electrical Installation Engineers)
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두 개의 자속경로를 갖는 직렬연결형 초전도한류기의 이중 피크전류제한 특성

Double Peak Current Limiting Properties of Series Connection-Type SFCL with Two Magnetic Paths

  • 고석철 (공주대학교 산학협력단) ;
  • 한태희 (중원대학교 첨단소재공학과) ;
  • 임성훈 (숭실대학교 전기공학부)
  • 투고 : 2014.03.16
  • 심사 : 2014.05.09
  • 발행 : 2014.07.31
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초록

We proposed a series connection-type superconducting fault current limiter(SFCL) using E-I core that can prevent the internal magnetic flux generation of cores during normal operation, and prevent the saturation of cores due to a sudden magnetic flux generation at the initial stage of fault occurrence while limiting the peak current. Through a short-circuit simulation experiment, we analyzed the operating status of the two superconducting elements and limiting characteristics according to the size of the fault current peak before and after the failure. Further, the double peak current limiting characteristics according to the winding directions as well as the current and the voltage of each coil were compared and analyzed.

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참고문헌

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  10. Tae-Hee Han, Sung-Hun Lim, "Analysis on Current Limiting Characteristics of a Superconducting Fault Current Limiter (SFCL) with a Peak Currnt Limiting Function," KIEEME, vol. 24, no. 1, pp. 47-51, Jan. 2011. https://doi.org/10.4313/JKEM.2011.24.1.47
  11. S. H. Lim, I. K. You, and J. C. Kim, "Study on Peak Current Limiting Characteristics of a Flux-Lock Type SFCL Using Its Third Winding," IEEE Trans. Appl. Supercond. vol. 21, no. 3, pp. 1275-1279, Jun. 2011. https://doi.org/10.1109/TASC.2010.2093863
  12. Sung-Hun Lim, Seckcheol Ko, and Tae-Hee Han, "Analysis on current limiting characteristics of a transformer type SFCL with two triggering current levels," Physica C, vol. 484, pp. 253-257, Jan. 2013. https://doi.org/10.1016/j.physc.2012.03.011
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