| 基于提升小波的电能质量分析仪研究 |
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| 引用本文： | 任先文,余志飞,孙功伟,王坤. 基于提升小波的电能质量分析仪研究[J]. 电力电子技术, 2009, 43(10) |
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| 作者姓名： | 任先文 余志飞 孙功伟 王坤 |
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| 作者单位： | 东北电力大学,吉林吉林,132012 |
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| 基金项目： | 东北电力大学研究生创新基金资助项目 |
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| 摘 要： | 分析了提升小波理论及其在DSP上实现的可行性.实现了一种基于提升小波的电能质量分析装置.系统借助TMS320F28335高性能32位浮点处理单元,将bior4.4小波进行提升实现.为提高单支重构提取信号的精确度,对小波提升方案进行了混叠补偿.通过仿真和实验验证了方案的可行性和有效性.
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| 关 键 词： | 电能 质量 分析/提升小波 混叠补偿 |
Study of Power Quality Analyzer based on Lifting Wavelet |
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| REN Xian-wen,YU Zhi-fei,SUN Gong-wei,WANG Kun. Study of Power Quality Analyzer based on Lifting Wavelet[J]. Power Electronics, 2009, 43(10) |
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| Authors: | REN Xian-wen YU Zhi-fei SUN Gong-wei WANG Kun |
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| Affiliation: | REN Xian-wen,YU Zhi-fei,SUN Gong-wei,WANG Kun(Northeast Dianli University,Jilin 132012,China) |
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| Abstract: | The lifting wavelet theory and its realization feasibility on DSP are analyzed.A power quality analyzer based on lifting wavelet is realized.With the high-performance 32 floating-point processing unit,the realization of bior4.4 wavelet is achived.Basic unit of lifting wavelet with aliasing compensation is to enhance the extraction of single signal reconstruction accuracy.The experiment results prove its feasibility and validity. |
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| Keywords: | electricity quality analysis/lifting wavelet aliasing compensation |
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