ABSTRACT
The capacitance is usually negligible for most low-, medium-, and high-voltage power lines that are operated grounded. The distribution of the charge on the conductor is assumed to be uniform. This is practical because the spacing between the line conductors in an overhead line is large relative to the conductor radius. The capacitance to ground and the zero-sequence capacitance reactance or susceptance can be calculated by assuming the earth to be an equipotential plane between the charge on the conductors and the opposite charge on the images of the conductors. Fault calculations seldom include the capacitive reactance values; they are very high relative to the inductive reactance values. The capacitance to ground and the zero-sequence capacitance reactance or susceptance can be calculated by assuming the earth to be an equipotential plane between the charge on the conductors and the opposite charge on the images of the conductors.
