| 世博轴35kV地下变电站接地系统设计 |
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| 引用本文： | 朱敏智.世博轴35kV地下变电站接地系统设计[J].现代建筑电气,2010,1(9). |
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| 作者姓名： | 朱敏智 |
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| 作者单位： | 上海市政工程设计研究总院,上海,200092 |
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| 摘 要： | 接地系统设计对于保证上海世博会重要建筑——世博轴35kV地下变电站的安全可靠运行十分重要。详细介绍了世博轴接地系统设计方案。在人工接地网等间距和不等间距布置时,比较了接地网主要参数的变化。指出水平接地网的均匀优化设计能有效降低接触电压,改进接地系统安全性。
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| 关 键 词： | 世博轴 地下变电站 接地电阻 最大接触电位差 最大跨步电位差 |
Grounding System Design of Expo Axis 35 kV Underground Substation |
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| ZHU Minzhi.Grounding System Design of Expo Axis 35 kV Underground Substation[J].Moder Architecture Electric,2010,1(9). |
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| Authors: | ZHU Minzhi |
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| Affiliation: | ZHU Minzhi(Shanghai Municipal Engineering Design General Institute; Shanghai 200092; China); |
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| Abstract: | The grounding system design is very important for the building of Shanghai Expo—Expo Axis 35 kV underground substation s safety and reliable operation.The grounding system schemes of Expo Axis was introduced in detail.The main parameters change of equal space and unequal space arrange in man-made grounding network were compared.It was pointed out that the uniform optimization design of horizontal grounding grid could effectively low the touch voltage,improve the safety of grounding system. |
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| Keywords: | Expo Axis underground substation grounding resistance max touch voltage max step voltage |
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