| 安康地区某110 kV变电站接地网优化研究 |
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| 引用本文： | 舒晓丽,王博,艾庆遥,李江涛,郭洁. 安康地区某110 kV变电站接地网优化研究[J]. 西北电力技术, 2010, 0(2) |
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| 作者姓名： | 舒晓丽 王博 艾庆遥 李江涛 郭洁 |
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| 作者单位： | 安康市供电公司;西安交通大学电气工程学院; |
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| 摘 要： | 针对安康地区某110 kV变电站工频接地电阻偏高的问题,建立土壤模型,利用计算接地网接地电阻、接触电压和跨步电压的分析软件,分析了影响该接地网参数的主要因素,提出了降低变电站接地电阻的措施。在此基础上,又对变电站接触电压过高的问题,提出了采用最优压缩比优化接地网结构的措施,进一步降低了接地网的接地电阻、接触电压和跨步电压,满足了该变电站接地网的设计要求。
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| 关 键 词： | 变电站 接地网 接地电阻 接触电压 跨步电压 |
Optimization of 110kV Substation Grounding Grid in Ankang Area |
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| SHU Xiao-li,WANG Bo,Ai Qing-yao,LI Jiang-tao,GUO Jie. Optimization of 110kV Substation Grounding Grid in Ankang Area[J]. Northwest China Electric Power, 2010, 0(2) |
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| Authors: | SHU Xiao-li WANG Bo Ai Qing-yao LI Jiang-tao GUO Jie |
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| Affiliation: | SHU Xiao-li~1,WANG Bo~2,Ai Qing-yao~2,LI Jiang-tao~2,GUO Jie~2 (1.Ankang Power Supply Bureau,Ankang,725000,China,2.Xi'an Jiaotong University Electrical Engineering College,Xi'an,710049,China) |
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| Abstract: | The grounding resistance of certain 110 kV substation in Ankang area is a bit higher than the required value.This paper builds a soil model for the substation,develops a program to calculate the grounding resistance,touch voltage and step voltage.Based on this program,the major factors affecting the grounding resistance are discussed and the measures to decrease the grounding resistance are put out.The grounding grids are optimized by using the concept of compression ratio.After the optimization,the paramet... |
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| Keywords: | substation grounding grid grounding resistance touch voltage step voltage |
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