On-Site Electrochemical Detection of Corrosion in Substation Grounding System

被引：0
|
作者：
Yu, Ben [1 ]
Zhao, Peng [1 ]
Cai, Yuhang [2 ]
Yuan, Weiming [2 ]
Yu, Jinshan [1 ]
Tan, Yu [2 ]
机构：
[1] State Grid Tianjin Elect Power Res Inst, Tianjin 300000, Peoples R China
[2] North China Elect Power Univ, Dept Environm Sci & Engn, Baoding 071000, Peoples R China
来源：
ENERGIES | 2024年 / 17卷 / 16期
关键词：
grounding down lead; soil corrosion; electrochemistry; ion concentration; Q235; STEEL; SOIL;
D O I：
10.3390/en17163906
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The reliability and efficiency of the grounding system in substations is of utmost importance for the safety of the electrical grid. In China, the grounding grids of substations are primarily composed of galvanized steel, carbon steel, and copper, all of which are susceptible to corrosion from soil during operation. This study thoroughly examines the effects of typical Cl- ions and soil water content on the corrosion behavior of a Q235 steel in situ. The data suggest that there is a negative correlation between soil moisture and grounding grid corrosion, whereas dissolved salts, particularly Cl- ions in soil, correlate positively.
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页数：12
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