Progress in Superconductivity and Cryogenics (한국초전도ㆍ저온공학회논문지)

The Korean Society of Superconductivity and Cryogenics (한국초전도저온학회)
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Double quench and fault current limiting characteristics due to winding ratio of transformer type SFCL with third winding

  • Han, Tae-Hee (Department of Aero Materials Engineering, Jungwon University) ;
  • Ko, Seok-Cheol (Industry-University Cooperation Foundation, Kongju National University) ;
  • Lim, Sung-Hun (Department of Electrical Engineering, Soongsil University)
  • Received : 2019.07.22
  • Accepted : 2019.09.26
  • Published : 2019.09.30
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Abstract

To protect the power systems from fault current, the rated protective equipment should be installed. However growth of power system scale and concentration of loads caused the large fault current in power transmission system and distribution system. And capacities of installed protective equipment have been exceeded the due to increase of fault current. This increase is not temporary phenomenon but will be steadily as long as the industry develops. The power system need a counter measurement for safety, so superconducting fault current limiter (SFCL) has been received attention as an effective solutions to reduce the fault current. For the above reasons various type SFCL is studied recently. In this paper, the operational characteristics and power burden of trigger type SFCL is studied. The trigger type SFCL has been used for real system research in many countries. And another trigger type SFCL (double quench trigger type SFCL) is also studied. For this paper, short circuit test is performed.

Keywords

References

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