南方电网技术2017，Vol.11Issue(4)：23-29,7.DOI:10.13648/j.cnki.issn1674-0629.2017.04.004
500kV输电线路地线融冰改造后地线锈蚀分析及对策
Analysis on Ground Wire Corrosion of 500 kV Transmission Lines After Ice-Melting Reconstruction and Countermeasures
易永亮 1田应富 1谭劲 1陈军君 2刘纯 2刘泽青3
作者信息
- 1. 中国南方电网有限责任公司超高压输电公司贵阳局,贵阳550003
- 2. 湖南省电力科学研究院,长沙410000
- 3. 重庆大学输配电装备及系统安全与新技术国家重点实验室,重庆400044
- 折叠
摘要
Abstract
Due to the frequent occurrence of ice and snow disasters in power grid, ice-melting reconstruction is carried out for more and more EHV lines.Good anti-icing effect has been obtained, but the ground wire corrosion which cannot be ignored has also been detected during operation after ice-melting reconstruction.Aiming at the corrosion caused by different kinds of metal contacting between the outside surface of ground wire and the connecting clamp of a 500 kV AC transmission line after ice-melting reconstruction, XRD analysis of corrosion product, metallographic analysis, salt spray test and some other experiments are made in this paper and the reasons of corrosion are then analyzed in detail.Finally, feasible measures for the ground wire corrosion are proposed and planned to be applied in actual site.The proposed measures are of great reference significance for future ice-melting reconstruction of transmission lines.关键词
超高压输电线路/地线/融冰改造/地线锈蚀Key words
EHV transmission line/ground wire/ice-melting reconstruction/ground wire corrosion分类
信息技术与安全科学引用本文复制引用
易永亮,田应富,谭劲,陈军君,刘纯,刘泽青..500kV输电线路地线融冰改造后地线锈蚀分析及对策[J].南方电网技术,2017,11(4):23-29,7.
