Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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The Effect of Geomagnetically Induced Current(GIC) on the Domestic Power Grids

국내 전력망에 대한 지자기 유도전류의 영향

  • Shim, Haesup (National Meteorological Satellite Center, Satellite Planning Division) ;
  • Jeon, Taehyun (Seoul National University of Science and Technology)
  • 심해섭 (기상청 국가기상위성센터 위성기획과) ;
  • 전태현 (서울과학기술대학교 전기정보시스템공학과)
  • Received : 2012.10.24
  • Accepted : 2012.12.05
  • Published : 2012.12.30
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Abstract

There have been a lot of reports about the effects of geomagnetically induced current(GIC) on the power grids. However there has been little domestic efforts made in this relatively urgent area which include academic research or risk assessments on GIC. There still exist a claim that domestic power grids might be in the safe state from GIC since our geomagnetic latitude is low and our power grid is relatively small scale. However it has been already demonstrated that GIC has an effect on power grids located at all latitudes. In this study, we have reviewed the transpiratory principle of the GIC, case studies of the major damage in various regions and we have calculated the GIC that can occur in domestic power grids. This paper presents some of the fundamental information about the risk assessment of domestic power grids from GIC although more thorough investigation should be made to ensure the safe operation of nationwide electric power infrastructure.

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References

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