| 斜置接地体对地网接地电阻的影响分析 |
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| 引用本文： | 王冬梅,李玉彬,龚南斌. 斜置接地体对地网接地电阻的影响分析[J]. 华北电力技术, 2010, 0(5): 14-16,24 |
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| 作者姓名： | 王冬梅 李玉彬 龚南斌 |
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| 作者单位： | 1. 华北电力大学,河北保定,071003;华北电力科学研究院有限责任公司,北京,100045
2. 北京惠通盛电力工程有限公司,北京,100045 |
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| 摘 要： | 利用平均电位法对单根斜置接地体和多根斜置接地体的接地电阻公式进行推导。单根接地体的接地电阻随着倾斜的角度增加而增大。水平地网的四角增加接地极后,接地电阻明显降低;纵向接地极的倾斜角度与地网接地电阻有很大关系,且倾斜角度为30°到60°之间时接地电阻较小,相差不大。文章从理论上证明斜接地极法的可行性,得出的结论在变电站接地降阻工程中具有实际意义。
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| 关 键 词： | 降阻 斜置接地体 接地电阻 |
Analysis of Effect of Slanting Grounding Electrode on Grounding Resistance of Grounding Grid |
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| Wang Dong mei,Li Yu-bin,Gong Nan-bin. Analysis of Effect of Slanting Grounding Electrode on Grounding Resistance of Grounding Grid[J]. North China Electric Power, 2010, 0(5): 14-16,24 |
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| Authors: | Wang Dong mei Li Yu-bin Gong Nan-bin |
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| Affiliation: | 1. North China Electric Power University, Baoding 071003, China; 2. North China Electric Power Research Institute Co. Ltd. , Beijing 100045, China; 3. Beijing Huitongsheng Electric Power Engineefring Company Limited, Beijing 100045 ,China) |
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| Abstract: | The expressions of grounding resistance about one slanting grounding electrode and four are derived with the average potential method. The conclusion indicates that grounding resistance about one slanting electrode increases as the slanting angel of grounding electrode is enlarged. Conclusions can be drawn from relative calculation and data comparison. The grounding resistance of grounding grid reduces obviously, when four slanting grounding elec- trodes are set up under the grounding grid. The grounding resistance of grounding grid is related to the angel of slanting grounding electrode closely. When the angel is from 30°to 60°, the grounding resistance is relatively smaller. |
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| Keywords: | reducing ground resistance slanting grounding electrode grounding resistance |
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