| 基于小波分析的电能质量扰动信号检测 |
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| 引用本文： | 储珺,马建伟.基于小波分析的电能质量扰动信号检测[J].供用电,2008,25(5):57-59. |
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| 作者姓名： | 储珺 马建伟 |
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| 作者单位： | 河南科技大学电子信息工程学院,河南,洛阳,471003 |
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| 摘 要： | 针对电能质量扰动信号的特性,本文采用小波变换对电力系统的高频、瞬时脉冲、电压切痕扰动信号进行检测.研究表明,该方法能够精确定位扰动信号产生的时刻和持续的时间,通过与快速傅立叶变换FFT的结果进行比较,证实了该方法的准确性和优越性.
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| 关 键 词： | 小波变换 瞬时脉冲 电压切痕 电能质量 检测 |
Detection of Power Quality Disturbance Signals Based on Wavelet Analysis |
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| Jun CHU,Jianwei MA.Detection of Power Quality Disturbance Signals Based on Wavelet Analysis[J].Distribution & Utilization,2008,25(5):57-59. |
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| Authors: | Jun CHU Jianwei MA |
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| Affiliation: | Jun CHU Jianwei MA (Electronic Information Engineering School of Henan Science & Technology University,Luoyang 471003,Henan) |
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| Abstract: | According to features of power quality disturbance signal,this paper detects the disturbance signals of high-frequency,transient impulse and voltage notch with wavelet transforming.The study shows that this method can locate precisely the occurrence moment and sustaining time of disturbance signals.Through the comparison with result of FFT,the accuracy and advantage of this method are confirmed. |
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| Keywords: | wavelet transforming transient impulse voltage notch power quality detection |
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