| 10 kV电缆故障指示器整定研究及应用 |
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| 引用本文： | 苏浩益,吴小勇,万亦农.10 kV电缆故障指示器整定研究及应用[J].湖南电力,2013(6):4-6,10. |
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| 作者姓名： | 苏浩益 吴小勇 万亦农 |
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| 作者单位： | 国网湖南省电力公司湘潭供电分公司,湖南湘潭411104 |
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| 摘 要： | 分析某10 kV配电系统的特点，阐述目前电缆故障指示器的故障判断逻辑的优缺点，提出一种适合该电网的故障指示器整定原则，通过ATP/MATLAB软件进行仿真分析，验证了判断逻辑和整定原则的正确性。总结电缆故障指示器在安装、运行维护、使用过程中的经验，提出基于二分法原理的故障查找方法，快速定位电缆故障点，提高了排除配电网故障的工作效率。
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| 关 键 词： | 电力电缆 故障指示器 接地系统 可靠性 配电网 二分法 |
Research and application for 10 kV cable fault indicator setting |
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| SU Hao-yi,WU Xiao-yong,WAN Yi-nong.Research and application for 10 kV cable fault indicator setting[J].Hunan Electric Power,2013(6):4-6,10. |
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| Authors: | SU Hao-yi WU Xiao-yong WAN Yi-nong |
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| Affiliation: | (State Grid Hunan Electric Power Corporation Xiangtan Power Supply Company, Xiangtan 411104, China) |
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| Abstract: | The characteristics of 10 kV power distribution system of Hunan area are analyzed and the advantages and disadvantages of fault identifying logics for power cable fault indicator are expounded and a new fault indicator setting principle which is suitable for the grid is put forward. The correctness of the fault identifying logics and setting principle is verified with the ATP/MATLAB software simulation analysis. The experience in the process of the installation operation maintenance and application is summarized out and a fault locating method based on the mathematics principle of dichotomy is proposed to improve the working efficiency of power distribution network fault recovery work. |
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| Keywords: | power cable fault indicator grounding system reliability distribution network dichotomy |
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