Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
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Development and Its Characterization of Earth Plate for Early Streamer Discharge

조기방전용 접지판의 개발 및 특성

  • Choi, Sang-Won (Occupational Safety Research Department, Occupational Safety and Health Research Institute, KOSHA) ;
  • Her, Yong (Youngjin Enterprise Ltd.)
  • 최상원 (한국산업안전보건공단 산업안전보건연구원) ;
  • 허용 ((주)용진기업)
  • Received : 2014.11.12
  • Accepted : 2014.12.09
  • Published : 2014.12.31
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Abstract

This paper compared and demonstrated the performance of the earth plate for conventional type and early streamer discharging type developed a new plate in order to improve the performance of the ground plate for use in grounding. The results obtained are shown below; early streamer discharge earth plate was high 5 kV on DC flashover voltage and corona discharge current was higher than about 2 times under the same test conditions compared to the conventional earth plate. From the experiential result, streamer discharge earth plate had a function of rapid inflow/out flow than the general ground plane because of by corona discharge current to be generated in the sharp serrated in formed the ground plane when strike current occurred. In the future, the newly developed early streamer discharge ground plate would be beneficial for grounding work to be widely used to promote the convenience and economy of construction.

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References

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