长垂直接地体有效接地长度的研究

Research on Efficient Grounding Length of Long Vertical Grounding Rode

本文介绍了一种确定集中长接地体有效接地长度的方法,同时给出了适合于均匀土壤电阻率地区和通常的雷电流情况下长垂直接地体的有效接地长度计算公式。这些工作对于经济接地设计具有一定的参考价值。

This paper suggests a method to determine the efficient grounding length of long vertical grounding rode. A formula of calculating efficient grounding length is also given here. This calculating formula applies to uniform soil resistivity area with general lightning impulse current. This work has some seference value for economical grounding design.