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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Analysis on Current Limiting Characteristics of Series Connection-type SFCL with Two Magnetically Coupled Circuits Applied into a Simulated Power System

모의전력계통에 적용된 두 개의 자기결합 회로를 갖는 직렬연결형 초전도 전류제한기의 전류제한 특성 분석

  • Ko, Seok-Cheol (Industry-University Cooperation Foundation, Kongju National University) ;
  • Lee, Shin-Won (Department of Computer System Engineering, Jungwon University)
  • 고석철 (공주대학교 산학협력단) ;
  • 이신원 (중원대학교 컴퓨터시스템공학과)
  • Received : 2012.10.16
  • Accepted : 2012.12.07
  • Published : 2013.01.01
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Abstract

The series connection-type superconducting fault current limiter (SFCL) with two magnetically coupled circuits was suggested and its effectiveness through the analysis on the current limiting and recovery characteristics was described. The fault current limiting characteristics of the proposed SFCL as well as the load voltage sag compensating characteristics according to the winding direction were investigated. To confirm the fault current limiting and the voltage sag suppressing characteristics of the this SFCL, the short-circuit tests for the simulated power system with the series connection-type SFCL were carried out. The series connection-type SFCL designed with the additive polarity winding was shown to perform more effective fault current limiting and load voltage sag compensating operations through the fast quench occurrence right after the fault appears and the fast recovery operation after the fault removes than that with the subtractive polarity winding.

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References

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