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http://dx.doi.org/10.5207/JIEIE.2012.26.12.056

The Effect of Geomagnetically Induced Current(GIC) on the Domestic Power Grids  

Shim, Haesup (National Meteorological Satellite Center, Satellite Planning Division)
Jeon, Taehyun (Seoul National University of Science and Technology)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.26, no.12, 2012 , pp. 56-61 More about this Journal
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.
Keywords
Geomagnetic Disturbance; Geomagnetically Induced Current; Power Grids;
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  • Reference
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