Power System Transients, 2nd Edition

490 Power System Transients

between the grounding electrode and the isolated conductor system and,

because of this, the grounding electrode shows a traits of a nonuniform con-

ductor [26].

7.4.1.5.4 Reciprocity between the Electrodes

Figure 7.22 shows the simulation results of induced voltage V

2

for two dif-

ferent electrodes lengths, that is, x

1

= 5 m and x

2

= 1 m (Cases 311–314) with

y = 1–10 m, together with Cases 131–134 (x

1

= 1 m, x

2

= 5 m). It is clear that the

voltages of the inducing and induced electrodes are the same for the differ-

ent electrode lengths, that is, there exists reciprocity between the electrodes,

just as with an insulated ...