| 谐振接地系统单项接地故障综合选线的研究 |
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| 引用本文： | 卓自明,孙海萌.谐振接地系统单项接地故障综合选线的研究[J].无锡职业技术学院学报,2013,12(3):42-45. |
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| 作者姓名： | 卓自明 孙海萌 |
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| 作者单位： | 1. 徐州工业职业技术学院,江苏徐州,221140
2. 徐州供电公司,江苏徐州,221005 |
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| 摘 要： | 为了解决单一的选线原理进行故障选线误判率较高的问题,该文提出了基于零序电纳增量法和暂态零序电流方向的故障选线方法的单相接地故障的选线装置。通过在模拟电网的实验表明:该装置能够对故障线路做出准确、可靠的判断。
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| 关 键 词： | 谐振接地系统 选线 零序电流稳态增量选线方法 暂态电流互积求和法 |
Study on Fault-line Selection Device for One-phase-to-ground Fault on Resonance Grounding System |
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| Authors: | ZHUO Ziming SUN Haimeng |
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| Institution: | 1.Xuzhou College of Industrial Technology,Xuzhou 221140,China; 2.Xuzhou Power Supple Company,Xuzhou 221005,China) |
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| Abstract: | The misjudgment rate of fault feeder selection device is high for existing detectors based on single method.In the paper,fault feeder selection device is put forward on the basis of the mutual integral of transient current method and zero sequence susceptance increment method.The experimental results show that the device can select out the fault feeder quickly and efficiently. |
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| Keywords: | resonance grounding system line selection Zero-Sequence current increment method mutual integral of zero-sequence transient currents |
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