| 变电站接地网不同接地材料接地特性研究 |
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| 引用本文： | 黄昌威,;安韵竹.变电站接地网不同接地材料接地特性研究[J].陕西电力,2014(11):9-12. |
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| 作者姓名： | 黄昌威 ;安韵竹 |
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| 作者单位： | [1]广东电网有限责任公司佛山供电局,广东佛山528000; [2]武汉大学,湖北武汉430072 |
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| 基金项目： | 国家自然科学基金项目（51207113）;中国博士后科学基金（2014M560624） |
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| 摘 要： | 针对电力系统变电站接地网现行的铜、钢以及铜包钢等金属接地材料接地特性的不同,对比分析了铜、钢及铜包钢接地材料的使用成本及腐蚀特性。通过计算对比分析不同土壤条件和不同接地面积下,铜、钢及铜包钢接地网的接地电阻、网内电位差、接触电压以及跨步电压的不同特征。本文所做工作为变电站接地网的材料选择及优化改造提供参考。
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| 关 键 词： | 变电站地网 接地材料腐蚀 接地特性 土壤电阻率 接地面积 |
Study on Grounding Characteristics of Substation Grounding Grid with Different Grounding Materials |
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| Affiliation: | HUANG Changwei,AN Yunzhu( 1.Guangdong Power Grid Corporation Foshan Power Supply Bureau, Foshan 528000, China; 2.Wuhan University, Wuhan 430072, China) |
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| Abstract: | In the light of the different behavior of metal grounding materials including copper,steel,copper-clad steel,the paper gives a comparative analysis of corrosion property and the cost of the above grounding material,and calculates the parameters with ground resistance,network potential difference,contact voltage and step voltage under different soil and grounding radius condition.According to the calculation results the paper proposes some optimization measures for the grounding grid in substation,providing a reference for the selection of the grounding material and the optimization of substation grounding grid. |
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| Keywords: | substation grounding grid grounding material corrosion grounding characteristics soil resistivity ground contact area |
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