Journal of Advanced Engineering and Technology (공학기술논문지)

Engineering Technology Institute of Chosun University (조선대학교 공학기술연구원)
권호 표지

Characteristics Operation of a Flux-offset Type Fault Current Limiter in a Double line-to-line Fault

2선 단락 사고 시 자속상쇄형 한류기의 동작 특성

  • Choi, Hye-Won (Department of Electrical Engineering, Chosun University) ;
  • Choi, Hyo-Sang (Department of Electrical Engineering, Chosun University)
  • Received : 2014.08.26
  • Accepted : 2014.09.19
  • Published : 2014.09.30

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Abstract

In this paper was proposed a flux offset-type fault current limiter as means of reducing fault currents. To secure the operation reliability of a flux offset-type fault current limiter, constructed a simulation system to analyze its operation characteristics by generating a double line-to-line fault. According to the test results, the system performed stably without any impedance. However, when an accident occurred, the flux-offset of magnetic was not occurred. Because of this, any impedance occurred at circuit. It was confirmed that the impedance was low and fast to limit the fault current. At this time, the fault current limited rate was about 95%.

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Acknowledgement

This research was financially supported by the Ministry of Education (MOE) and National Research Foundation of Korea(NRF) through the Human Resource Training Project for Regional Innovation (No. NRF-2013H1B8A2032246)