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电网技术  2014 

10kV配电线路钢筋混凝土电杆接地特性试验研究

DOI: 10.13335/j.1000-3673.pst.2014.06.039, PP. 1670-1675

Keywords: 钢筋混凝土电杆,接地特性,冲击大电流,工频接地电阻,冲击接地电阻

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Abstract:

钢筋混凝土电杆的接地电阻是配电线路防雷接地和保护接地设计的一个基础参数,在我国一直缺乏深入研究。使用移动式冲击大电流发生装置,结合运行工程实际情况,首次对电杆接地特性进行了大电流真型试验研究,得到多种电杆接地设置形式下的工频接地电阻值、考虑火花放电效应和电感效应的冲击接地电阻值,并分析实测结果提出了电杆接地设置建议。研究结果可用于指导配电线路工程接地设计,也为建模仿真提供检验依据。

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