| 一种改进的小波算法在矿井漏电保护系统选线中的应用 |
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| 引用本文： | 郭瑞,吴琼.一种改进的小波算法在矿井漏电保护系统选线中的应用[J].工矿自动化,2010,36(1):29-32. |
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| 作者姓名： | 郭瑞 吴琼 |
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| 作者单位： | 辽宁工程技术大学电气与控制工程学院,辽宁,葫芦岛,125105 |
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| 基金项目： | 辽宁省教育厅科学研究项目(2008303) |
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| 摘 要： | 分析了目前常见的用于矿井漏电保护系统的各种选线理论的优缺点;针对基于小波算法的矿井漏电故障暂态信号选线方法中存在的暂态信号不易捕捉、实时检测较困难的问题,提出了一种基于自适应滤波器技术的改进型小波算法。该改进型算法可有效滤除干扰噪声,轻松获取故障线路零序电流的有用信息。仿真实验结果验证了该算法的有效性。
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| 关 键 词： | 煤矿电网 漏电保护 故障选线 零序电流 小波算法 自适应滤波器 |
Application of an Improved Wavelet Algorithm in Fault Line Selection of Leakage Protection System of Mine |
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| GUO Rui,WU Qiong.Application of an Improved Wavelet Algorithm in Fault Line Selection of Leakage Protection System of Mine[J].Industry and Automation,2010,36(1):29-32. |
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| Authors: | GUO Rui WU Qiong |
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| Affiliation: | Faculty of Electrical and Control Engineering of Liaoning Technical University/a>;Huludao 125105/a>;China |
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| Abstract: | Advantages and disadvantages of existing common fault line selection theories applied in leakage protection system of mine were analyzed.In order to solve problems of capturing and realtimely detecting transient signals in line selection method with transient signals of leakage faults in mine based on wavelet algorithm,an improved wavelet algorithm based on self-adapting filter technology was proposed.Disturbances and noise can be filtered effectively by the algorithm so as to get available information of z... |
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| Keywords: | power grid of coal mine leakage protection fault line selection zero-sequence current wavelet algorithm self-adapting filter |
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