摘要
直流接地极电流会对邻近的埋地金属管道造成腐蚀和危险影响,直流接地极距管道较近时,影响会尤其大。本文对德阳-宝鸡±500kV直流输电工程千阳接地极邻近的兰郑长成品油管道开展了现场测试,并分析了千阳接地极电流对兰郑长成品油管道的影响水平。
Current of DC grounding electrode will cause corrosion and dangerous effects on adjacent buried metal pipelines.When the DC grounding electrode is close to the pipeline,the impact on the pipeline will be especially great.In this paper,field tests are carried out on the Lan-Zheng-Chang Oil Pipeline adjacent to the Qianyang grounding electrode of Deyang-Baoji±500kV DC transmission project.The influence level of Qianyang grounding electrode current on Lanzhou Zhengzhou Changcheng Oil Pipeline is analyzed.
作者
曹方圆
白锋
CAO Fang-yuan;BAI Feng(China Electric Power Research Institute Co.,Ltd.Beijing 100192,China)
出处
《全面腐蚀控制》
2023年第5期29-32,124,共5页
Total Corrosion Control
基金
中国电力科学研究院创新基金项目“抵御直流接地极电流对埋地油气管道影响的自适应大功率阴保系统可行性研究”(GY83-21-006)。
关键词
直流接地极
埋地金属管道
测试
DC grounding electrode
buried metal pipeline
test
