Effect of DC grounding electrode currents on the corrosion interference behavior of cathodic protection of nearby pipelines
Xiao Chen,
Lin Li,
Boyang Zhang
et al.
Abstract:When operating a direct current (DC) transmission grounding electrode in single-pole return ground mode, transient currents traverse the soil, generating stray currents. These currents can intensify the corrosion of long-distance transmission pipelines near the grounding electrode, subsequently altering the pipeline’s cathodic protection potential. Previous investigations into the interference of grounding electrodes on pipeline cathodic protection have overlooked the cathodic protection systems themselves. Ad… Show more
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