Why Tower Footing Resistance?

The effective ground wire depends to a large extend on the tower footing resistance. The tower top potential depends on this resistance. Low value of tower footing resistance results in less voltage stresses across line insulation.

Why is the tower footing resistance low?

The paper investigates the concept of tower footing resistances and the factors that influence the earthing resistances. Tower footing resistance needs to be kept uniform and as low as possible to prevent back flashovers across the insulator under lightning conditions.

What is footing resistance of tower?

• It is the resistance offered by the tower footing to the. dissipation of ground. • The effective ground wire depends to a large extend on the. tower footing resistance.