The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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An Adaptive Reclosing Algorithm to Discriminate between Permanent Fault and Transient Fault using THD of Voltage Waveform

전압파형의 THD를 이용한 영구/일시고장 판별 적응형 재폐로 기법

  • 이철문 (성균관대 전자전기컴퓨터공학과) ;
  • 김철환 (성균관대 정보통신공학부)
  • Received : 2010.01.25
  • Accepted : 2010.06.25
  • Published : 2010.08.01
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Abstract

This paper presents a new adaptive single-phase auto reclosure (SPAR) algorithm to discriminate between a permanent fault and a transient fault and to minimize a protection dead time. The algorithm precisely detects the extinction of the secondary arc, based on THD's profiles on the faulted phase voltage waveform. The EMTP/ATPDraw program was used to simulate the single phase grounding fault for evaluating the proposed algorithm. And the simulation results show that the proposed algorithm is performing well.

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References

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