Experimental Study on the Influence of AC Stray Current on the Cathodic Protection of Buried Pipe

Table 3

The potential value under different defects connection.

	(V)	(V)	(V)	(V)
Only 1 point damage	−1.000	−0.955	−1.031	−0.842
Point 1 and point 2 damage	−0.935	−0.906	−0.955	−0.814
Point 3 and point 2 damage	−0.935	−0.904	−0.944	−0.828
Point 4 and point 2 damage	−0.942	−0.912	−0.952	−0.839