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Analysis and Measurement of Lightning Parameters on Subscriber Telecommunication Lines

가입자 통신 선로에서의 뇌격 파라미터 분석과 측정

  • Oh, Ho-Seok (Advanced Technology Laboratory, KT) ;
  • Park, Dong-Chul (Department of Radio Science & Engineering, Chungnam National University)
  • Published : 2007.11.30

Abstract

In this paper, the Induced voltage on transmission line by lightning was calculated using FDTD method and the lightning parameters such as peak voltage, rise time, and decay time for the lightning location and line length were analyzed. To verify the results, lightning induced voltage was measured in the field using real telecommunication line. Results from the collected data were compared with the calculated results. It was found that the rise time and the decay time were increased as the line length and the distance between the line and lightning location were increased. Also, the peak voltage was affected more by the overhead line length than by the total line length, while the rise time and the decay time were more affected by the total line length.

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