Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference (한국조명전기설비학회:학술대회논문집)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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Evaluation of the potential reduction and energy dispersion caused by ionization phenomena at the submerged ground rod

수중에 잠긴 접지전극주변에서 이온화에 의한 전위저감 및 에너지 방출의 평가

  • 안상덕 (인하대학교 IT공대 전기공학과) ;
  • 최종혁 (인하대학교 IT공대 전기공학과) ;
  • 박건훈 (인하대학교 IT공대 전기공학과) ;
  • 양순만 (인하대학교 IT공대 전기공학과) ;
  • 이복희 (인하대학교 IT공대 전기공학과) ;
  • 안창환 (인하공업전문대학)
  • Published : 2008.10.17
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Abstract

When high surge voltage invaded into the ground rod contacted with ground water, the ionization phenomena are happened in the water. Although some researchers have surveyed the ionization phenomena in soil, they have just analyzed the variation of the ground resistance. The most important role of the ground rod is to elect human beings from potential rise and to dissipate energy to the earth safely. In this wort we presented the method evaluating the potential reduction and energy dispersion. Also we analyzed theses factors as a function of charging voltages at the water resistivity of $50\;{\Omega}{\cdot}m$ using the Matlab Program. As a result the ground rod potential was reduced to 38 kV by ionization just below breakdown voltage. The energy more than half of the total injected energy was dispersed through the grounding electrode caused due to ionization.

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