接地装置降阻率及经济性分析

Resistance Reduction Rate and Economic Analysis of Grounding Device

架空电力线路降低雷电事故的主要措施之一是减小杆塔接地电阻。分析了4种接地网需要的导体长度和对应减小杆塔接地电阻的效果,并进行了经济分析和总结,对电力技术从业人员具有一定参考价值。

One of the main measures to reduce lightning accidents in overhead power lines is to reduce the grounding resistance of tower.This paper analyzes the length of conductor required by four kinds of grounding network and the corresponding effect of reducing the grounding resistance of tower,and makes economic analysis and summary,which has reference value for power technology practitioners.