| 煤矿井下电网行波故障测距 |
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| 引用本文： | 田书,马世申.煤矿井下电网行波故障测距[J].工矿自动化,2009,35(9). |
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| 作者姓名： | 田书 马世申 |
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| 作者单位： | 河南理工大学电气工程与自动化学院,河南,焦作,454150 |
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| 基金项目： | 煤炭青年基金资助项目(117160) |
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| 摘 要： | 针对单端行波故障测距算法由于行波波速的不确定性而导致故障测距结果不精确的问题,文章提出了一种新型的单端行波故障测距算法,该算法基于小波变换,利用故障点二次反射波、对端母线反射波、初始行波之间的测距关系,消除了行波波速的影响。仿真结果表明,该算法具有一定的有效性和可行性。
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| 关 键 词： | 煤矿电网 故障测距 行波 小波变换 奇异性 模极大值 |
Traveling Wave Fault Ranging of Underground Power Network |
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| TIAN Shu,MA Shi-shen.Traveling Wave Fault Ranging of Underground Power Network[J].Industry and Automation,2009,35(9). |
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| Authors: | TIAN Shu MA Shi-shen |
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| Affiliation: | School of Electrical Engineering and Automation of Henan Polytechnic University;Jiaozuo 454150;China |
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| Abstract: | To solve the problem of inaccurate fault ranging result caused by uncertainty of wave speed of traveling wave by use of algorithm of single-end traveling wave fault ranging,the paper proposed a new type of ranging algorithm of single-end traveling wave fault ranging.The new type of fault ranging algorithm bases on wavelet transform and makes use of ranging relations among the secondary reflection of fault point,the reflection of end-to-end bus and the initial traveling wave to eliminate influence of wave sp... |
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| Keywords: | power network of coal mine fault ranging traveling wave wavelet transform singularity modulus maximum |
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