TY - GEN
T1 - Geomagnetically induced current sensitivity to assumed substation grounding resistance
AU - Bui, Uyen
AU - Overbye, Thomas J.
AU - Shetye, Komal
AU - Zhu, Hao
AU - Weber, James
PY - 2013
Y1 - 2013
N2 - This paper considers the sensitivity of the calculated geomagnetically induced currents (GICs) in an electrical power system model to the assumed substation grounding resistances. Substation grounding resistances are not contained in standard power system models, and approximate values are often used in GIC studies. The paper provides an algorithm to quantify the degree of dependence of the GICs at any given substation. Case study results using the 20-bus GIC test system and a model of the North American Eastern Interconnect indicate that the substation GICs can be quite dependent on the assumed substation grounding values.
AB - This paper considers the sensitivity of the calculated geomagnetically induced currents (GICs) in an electrical power system model to the assumed substation grounding resistances. Substation grounding resistances are not contained in standard power system models, and approximate values are often used in GIC studies. The paper provides an algorithm to quantify the degree of dependence of the GICs at any given substation. Case study results using the 20-bus GIC test system and a model of the North American Eastern Interconnect indicate that the substation GICs can be quite dependent on the assumed substation grounding values.
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U2 - 10.1109/NAPS.2013.6666893
DO - 10.1109/NAPS.2013.6666893
M3 - Conference contribution
AN - SCOPUS:84893285696
SN - 9781479912551
T3 - 45th North American Power Symposium, NAPS 2013
BT - 45th North American Power Symposium, NAPS 2013
T2 - 45th North American Power Symposium, NAPS 2013
Y2 - 22 September 2013 through 24 September 2013
ER -