DOI QR코드

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Analysis on Current Limiting Characteristics of Double Quench Flux-Lock Type SFCL Using Its Third Winding

삼차권선을 이용한 이중퀜치 자속구속형 초전도한류기의 전류제한 특성 분석

Han, Tae-Hee;Lim, Sung-Hun
한태희;임성훈

  • Received : 2016.03.12
  • Accepted : 2016.04.18
  • Published : 2016.05.01

Abstract

The flux-lock type superconducting fault current limiter (SFCL) connects the two parallel windings in parallel with a ferromagnetic core. We suggest that the double quench flux-lock type SFCL should add a third winding. We analyzed characteristics of the fault current and the peak current using the quench of the high-Tc superconducting element. The proposed SFCL's inductances of a primary winding and the third winding were fixed and the amplitude of inductance of the secondary winding was changed. We found that the fault current can be more effectively controlled through the analysis of the equivalent circuit and the short-circuit tests.

Keywords

Flux-lock type superconducting fault current limiter (SFCL);Fault current;Inductance;Quench;High-Tc superconducting element

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Acknowledgement

Supported by : 한국연구재단