Geometric Mean Distances of Angle-Shaped Conductors

The self-geometric mean distance of a symmetrical angle-shaped conductor is approximately 0.393 times the width of the flange of the conductor, measured on the outer surface. The geometric mean distance between two symmetrical angular conductors, when arranged as shown in Figure 5, is very nearly equal to the distance between corresponding points on the two conductors, even for spacings approaching zero. Formulas are developed for the geometric self mean distance of an unsymmetrical angular conductor, and the geometric mean distance between two such conductors (equations 15 and 21 respectively).