| 基于暂态电流原理的故障选线装置在武钢电网小电流接地系统中的应用 |
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| 引用本文： | 艾斌. 基于暂态电流原理的故障选线装置在武钢电网小电流接地系统中的应用[J]. 冶金动力, 2011, 0(6): 8-10,13 |
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| 作者姓名： | 艾斌 |
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| 作者单位： | 武汉钢铁集团公司能源动力总厂,湖北武汉,430083 |
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| 摘 要： | 在我国中压配电网中,广泛采用小电流接地系统,而此系统发生最多的是单相接地故障,所以如何快速准确地检测出故障线路一直是电力系统继电保护的重要研究课题。对几种常见的选线原理做了简单阐述,并重点对基于暂态电流原理的小电流接地选线方法进行了分析研究。采用该原理的装置在武钢电网某10kV变电所进行了模拟试验,试验效果良好。
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| 关 键 词： | 小电流接地系统 故障选线 暂态电流 |
Application of Fault Line Selection Apparatus Based-on Transient Current Principle in Small Current Grounding System of WISCO Grid |
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| AI Bin. Application of Fault Line Selection Apparatus Based-on Transient Current Principle in Small Current Grounding System of WISCO Grid[J]. Metallurgical Power, 2011, 0(6): 8-10,13 |
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| Authors: | AI Bin |
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| Affiliation: | AI Bin(Energy Sources and Power Plant,Wuhan Iron and Steel(Group) Corp.,Wuhan,Hubei 430083,China) |
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| Abstract: | The small current grounding system is widely used in the medium voltage distribution system in China.Single phase grounding fault happens frequently in this system.So how to detect the fault line quickly and accurately is an important subject of relaying protection in the power system.Several common line selection methods are introduced briefly.The transient current principle-based line selection ways of small current grounding are analyzed and studied.The apparatus applying this principle was used in a sim... |
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| Keywords: | small current grounding system fault line detection transient current |
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