Diagnosis for Conductor Breaks of Grounding Grids Based on the Wire Loop Method of the Transient Electromagnetic Method

Figure 15

Comparison of the experimental results. (a) Small loop (r = 0.25 m, N = 10), small height (h = 0.15 m); (b) large loop (r = 0.75 m, N = 63), large height (h = 0.5 m).

(a)

(b)