| 基于傅立叶算法和小波分析的电能质量自动监测系统 |
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| 引用本文： | 王晓,何晓颖.基于傅立叶算法和小波分析的电能质量自动监测系统[J].吉林电力,2010,38(1):30-31,35. |
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| 作者姓名： | 王晓 何晓颖 |
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| 作者单位： | 1. 东北电力大学,吉林,吉林,132012:
2. 北京交通大学,北京,100044 |
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| 摘 要： | 针对电能质量监测,特别是电网谐波污染问题,提出了一种基于单独芯片技术SCM的电能质量监测系统,通过模型转换和信号模拟模型识别电能信号,采用MATLAB软件进行谐波测试。系统软件利用快速傅立叶算法FFT和小波分析法WT对谐波进行分析,克服了FFT的缺点,通过仿真证明FFT和WT算法相结合的方法是合理有效的。
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| 关 键 词： | 快速傅立叶算法 小波分析法 电能质量 谐波 |
Smart Wireless Power Quanlity Monitoring Sysytem Based on Fast Fourier Transformation and Wavelet Transformation |
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| WANG Xiao,HE Xiao-ying.Smart Wireless Power Quanlity Monitoring Sysytem Based on Fast Fourier Transformation and Wavelet Transformation[J].Jilin Electric Power,2010,38(1):30-31,35. |
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| Authors: | WANG Xiao HE Xiao-ying |
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| Abstract: | According to the power quality monitoring,especially power grid harmonic contamination,power quality monitoring system based on single chip multi-processor has been proposed.Power quality signals could be recognized by model transformation and signal simulation model.Harmonic measuring could be performed by MATLAB software.Disadvantages of FFT have been avoided by FFT.&WT.Simulation also proves the reasonable and effective of FFT &WT |
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| Keywords: | fast Fourier transformation wavelet transformation power quality harmonic wave |
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