| 基于PSCAD的10kV配电线路接地装置冲击特性研究 |
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| 引用本文： | 莫芸,陈荣锋,刘刚,高伟锋,许海林.基于PSCAD的10kV配电线路接地装置冲击特性研究[J].电瓷避雷器,2013(3). |
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| 作者姓名： | 莫芸 陈荣锋 刘刚 高伟锋 许海林 |
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| 作者单位： | 1. 广州供电局有限公司番禺供电局,广州510405;华南理工大学电力学院,广州510640
2. 华南理工大学电力学院,广州,510640 |
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| 基金项目： | 国家重点基础研究发展计划项目(973项目)，广东电网公司科技项目番禺配网差异化防雷研究 |
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| 摘 要： | 在考虑接地电阻火花效应的基础上,采用逐次渐进的算法,得出了模型元件参数,在PSCAD仿真软件中建立10 kV配电线路常用的接地装置仿真模型,对在不同雷电流幅值、不同接地装置尺寸、不同土壤电阻率以及埋设深度下该装置冲击接地电阻的冲击特性进行了仿真,分析常见10 kV配电线路的接地装置冲击特性,为10 kV配电线路的接地装置设计提供了理论数据依据,具有一定的工程应用价值。
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| 关 键 词： | 10kV配电线路 接地装置 冲击接地电阻 火花效应 PSCAD |
The Research on the Impact Characteristic of the Grounding Device of 10 kV Distribution Line Based on PSCAD |
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| MO Yun
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CHEN Rong-feng
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LIU Gang
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GAO Wei-feng
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XU Hai-lin.The Research on the Impact Characteristic of the Grounding Device of 10 kV Distribution Line Based on PSCAD[J].Insulators and Surge Arresters,2013(3). |
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| Authors: | MO Yun CHEN Rong-feng LIU Gang GAO Wei-feng XU Hai-lin |
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| Abstract: | On the basis of considering the spark effect of grounding resistance,a grounding device simulation model which is common used in 10 kV distribution lines is established basing on PSCAD electromagnetic transient analysis software and worked out the element parameters of the model using the successive heuristic algorithm.the impact properties of the grounding resistance is simulated considering the influence of lightning current amplitude,soil resistivity,the size and burial depth of the grounding device and the impact characteristic of the grounding device of 10 kV distribution line is analyzed,which provided a reference for the design of impulse grounding resistance of 10 kV distribution line and had potential engineering value. |
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| Keywords: | 10 kV distribution lines grounding device impulse grounding resistance spark effect PSCAD |
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