| 基于注入法的配电网接地故障检测方法 |
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| 引用本文： | 张慧芬,潘贞存,田质广,桑在中. 基于注入法的配电网接地故障检测方法[J]. 济南大学学报(自然科学版), 2004, 18(2): 164-168 |
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| 作者姓名： | 张慧芬 潘贞存 田质广 桑在中 |
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| 作者单位： | 济南大学 信息科学与工程学院,山东济南,250022;山东大学 电气工程学院,山东济南,250061;山东大学 电气工程学院,山东济南,250061;大连海事大学 轮机工程学院,辽宁大连,116026 |
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| 摘 要： | 外加诊断信号法检测中低压配电网单相接地故障是一种行之有效的故障选线和定位方法。本文分析了外加诊断信号检测中低压配电网单相接地故障的基本原理，对外加诊断信号源的技术要求及其加入故障系统的方法作了探讨，介绍了诊断信号的探测方法，从受过渡电阻和分布电容的影响方面分析了外加信号法的性能。
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| 关 键 词： | 单相接地故障 选线 定位 诊断信号 |
| 文章编号： | 1671-3559(2004)02-0164-05 |
| 修稿时间： | 2003-11-06 |
Research of Fault Detection Based on Additional Diagnostic Signal in MV/LV Distribution Systems |
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| ZHANG Hui-fen ,,PAN Zhen-cun TIAN Zhi-guang ,SANG Zai-zhong. Research of Fault Detection Based on Additional Diagnostic Signal in MV/LV Distribution Systems[J]. Journal of Jinan University(Science & Technology), 2004, 18(2): 164-168 |
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| Authors: | ZHANG Hui-fen PAN Zhen-cun TIAN Zhi-guang SANG Zai-zhong |
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| Affiliation: | ZHANG Hui-fen 1,2,PAN Zhen-cun 2 TIAN Zhi-guang 3,SANG Zai-zhong 2 |
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| Abstract: | Method of additional diagnostic signal is valid for faulty line selection and fault point location in MV/LV distribution systems.In the paper,the principle based on additional diagnostic signal is analyzed.Technical requirements for signal generator and method coupled to the primary system are discussed.How to detect the signal is presented.And the method is evaluated from the influence of fault resistance and earth capacitance on the accuracy of fault line selection and fault point location. |
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| Keywords: | single line-to-ground fault fault line selection fault point location diagnostic signal |
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