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

  • 제65권1호
  • /
  • Pages.51-57
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  • 2016
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  • 1975-8359(pISSN)
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  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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뇌서지에 의한 배전선로 고장 시 과도상태 분석

Transient State Analysis of Faults Caused by Lightning Surge in Distribution Line

  • Lim, Sung-Yong (Dept. of Electrical Engineering, Hankyong National University) ;
  • Kim, Kyu-Ho (Dept. of Electrical Engineering, Hankyong National University, IT Fusion Research Institute)
  • 투고 : 2015.09.30
  • 심사 : 2015.12.30
  • 발행 : 2016.01.01
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초록

This paper presents the voltage characteristics of the various faults after lightning surge hits the overhead grounding wire close to the transformer's secondary side. Based on the modeled distribution system, the cases of the various faults occurred by lightning surge are simulated using EMTP/ATPDraw and maximum overvoltage and RMS voltage according to the distances from the transformer are investigated. As a result, it is seen that the voltage characteristics of faults caused by lightning surge is different depending on the fault type and the voltage characteristics can be used to detect the fault type caused by lightning surge.

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참고문헌

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