电化学噪声在接地网土壤腐蚀监控中的应用
Application of Electrochemical Noise to Soil Corrosion Monitoring of Grounding Grid
摘 要
采用电化学噪声测试技术对变电站接地网土壤腐蚀状况进行实时在线监测。结果表明: 接地网环境发生改变时，对土壤腐蚀特性有较大影响，接地网腐蚀状态变化较大。电化学噪声监测系统对土壤腐蚀环境的变化反应灵敏，能够进行实时准确的监控预警，可用于变电站基建勘察以及运行维护阶段的腐蚀监控。
接地网
土壤腐蚀
监控
electrochemical noise
grounding grid
soil corrosion
monitoring
Abstract
The substation grounding grid corrosion status was in real-time and online monitored using electrochemical noise technology. The results show that the change of grounding grid environment had a great effect on soil corrosion characteristics and led to great changes of the grounding grid corrosion. Electrochemical noise monitoring system is sensitive to the changes of environment and may implement real-time accurate monitoring and warning, and thus it can be used for corrosion monitoring in the stages of substation construction survey and operation.
中图分类号 TG174 DOI 10.11973/fsyfh-201605005
所属栏目 腐蚀监检测技术
基金项目 国家电网公司科技资助项目(ZDK/GW001-2012); 浙江省电力公司科技项目(5211DS1350JP)
收稿日期 2015/3/4
修改稿日期
网络出版日期
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备注陈建伟(1984-),工程师,从事输变电设备腐蚀与防护技术研究,
引用该论文: CHEN Jian-wei,QIAN Zhou-hai,ZHU Li-wei,SHEN Xiao-ming. Application of Electrochemical Noise to Soil Corrosion Monitoring of Grounding Grid[J]. Corrosion & Protection, 2016, 37(5): 371
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【4】李谋成,林海潮,曹楚南. 湿度对钢铁材料在中性土壤中腐蚀行为的影响[J]. 腐蚀科学与防护技术,2000,12(4): 218-220.
【5】寄玉玉,王佩,张秀丽,等. 接地网腐蚀状态原位检测技术研究[J]. 华北电力技术,2012(8): 34-37.
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【10】MANSFLED F,SUN Z,HSU C H. Concerning trend removal in electrochemical noise measurements[J]. Corrosion Sci,2001(43): 341-352.
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【12】李季,赵林,李博文,等. 304不锈钢点蚀的电化学噪声特征[J]. 中国腐蚀与防护学报,2012,32(3): 235-240.
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