铜材接地网在变电站的应用

Application of copper grounding network for substations

对变电站接地网接地材料铜材和钢材在导电性能、热稳定性、耐腐蚀性等方面进行了比较,分析了先进放热熔接等工艺的优势。结合220 kV变电站接地网设计实例,对铜接地网和钢接地网做了技术经济分析。

This paper compares copper and steel grounding network for substations from electric conductivity,thermal stability and corrosion resistance,analyzes the advantages of the advanced exothermal weld technology,and makes technical and economical analysis of,taking the grounding network design for a 220 kV substation for instance,copper and steel grounding network.