| Issue |
E3S Web Conf.
Volume 561, 2024
The 8th International Conference on Energy, Environment and Materials Science (EEMS 2024)
|
|
|---|---|---|
| Article Number | 02027 | |
| Number of page(s) | 5 | |
| Section | Intelligent Environment Planning and Green Development | |
| DOI | https://doi.org/10.1051/e3sconf/202456102027 | |
| Published online | 09 August 2024 | |
Analysis of the causes of fracture of metal parts of 220KV transmission towers and protective measures
1 Inner Mongolia Power (Group) Co., Ltd., Inner Mongolia Power Research Institute Branch, Hohhot 010020, China
2 Inner Mongolia Key Laboratory of Smart Grid of New-type Power System Technology, Hohhot 010020, China
3 Inner Mongolia Power (Group) Co., Ltd., Inner Mongolia Power Communication Company, Hohhot 010020, China
* Corresponding author: pingcheng_dky@163.com
The corrosion causes of a 220kV transmission tower grounding flat steel were experimentally analyzed by macroscopic inspection, chemical composition analysis, microscopic structure inspection, corrosion product morphology and energy spectrum, galvanized layer thickness test, soil physical and chemical property analysis, and other test methods. The results indicate that the combined effect of chemical and electrochemical corrosion of the soil and stray current corrosion has resulted in the development of severe corrosion damage, which has ultimately led to the failure of the grounding flat steel. Furthermore, the requisite protective measures and recommendations are provided for the aforementioned scenarios.
© The Authors, published by EDP Sciences, 2024
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