Study on the Influence of the Grounding AC Current on the Protection of Sacrificial Anode in Galvanized Steel Grounding Grid

Abstract

In this study, the test device is designed and developed for simulating the effect of sacrificial anodic protection on the grounding electrode material that is subjected to the interference of high-frequency AC current in the power transmission and transformation system. The results show that Mg alloy sacrificial anode showed limited protection at the high current density of the grounding AC current in the grounding grid.