Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Transient Current Limiting Characteristics of Flux-Lock Type SFCL Using Double Quench

이중퀜치를 이용한 자속구속형 초전도한류기의 과도전류제한 특성

  • Choi, Sang-Jae (School of Electrical Engineering, Soongsil University) ;
  • Lim, Sung-Hun (School of Electrical Engineering, Soongsil University)
  • 최상재 (숭실대학교 전기공학부) ;
  • 임성훈 (숭실대학교 전기공학부)
  • Received : 2016.11.21
  • Accepted : 2016.11.23
  • Published : 2017.02.01
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Abstract

In this paper, the flux-lock type superconducting fault current limiter (SFCL) using double quench was suggested and its transient current limiting characteristics were analyzed. The suggested flux-lock type SFCL using double quench consists of two magnetically coupled windings and two $high-T_{c}$ superconducting (HTSC) elements connected in series with each winding. To analyze the transient current limiting characteristics of the flux-lock type SFCL using double quench, the short-circuit tests according to the fault angles, which affect the transient component of the fault current right after the fault occurs, were executed. From the comparative analysis for the short-circuit tests at both $0^{\circ}$ and $90^{\circ}$ fault angles, the useful transient current limiting operations of the suggested flux-lock type SFCL through the double or the single quench occurrence were confirmed.

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References

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