Abstract:Geomagnetically Induced Currents (GICs) are induced after a complex interaction between the sun and earth's magnetic field. GICs may cripple power systems leading to voltage collapse and a drop in power quality. While the commonly-used dc model for GICs is valid for steady-state analyses of power systems and transformer responses, GICs must be represented with their continuously varying magnitudes and frequency components to understand the dynamic power system's response to solar storms. In this paper, we used… Show more
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