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HM-JD-L28型新型石墨复合接地体与常规降阻方式降阻效果的对比分析

DOI: 10.16188/j.isa.1003-8337.2015.06.014, PP. 69-72

Keywords: HM-JD-L型新型石墨复合接地体,降阻剂,接地模块,工频接地电阻,降阻效果

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Abstract:

输电线路杆塔接地对电力系统的安全稳定运行至关重要,降低杆塔接地电阻是提高线路耐雷水平,减少线路雷击跳闸率的主要措施。介绍了HM-JD-L28型新型石墨复合接地体的性能特点并将其与常规降阻方式如:接地模块、降阻剂、增加射线长度等在不同情况下的降阻效果进行了分析对比,对如何使用接地模块、降阻剂提出了意见:不推荐在土壤电阻率低于500Ωm的地区使用接地模块及降阻剂,降阻效果不明显。

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