| 基于小波变换的城市轨道交通牵引供电系统谐波分析 |
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| 引用本文： | 毛中亚,郭其一.基于小波变换的城市轨道交通牵引供电系统谐波分析[J].城市轨道交通研究,2007,10(2):15-19. |
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| 作者姓名： | 毛中亚 郭其一 |
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| 作者单位： | 同济大学电气工程系,200331,上海 |
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| 摘 要： | 分析了采用12脉波整流机组和24脉波整流机组进行整流的城市轨道交通牵引供电系统所产生谐波的特征.提出将小波变换应用于城市轨道交通牵引供电系统的谐波分析并进行仿真.结果表明:小波变换可将城市轨道交通牵引供电系统谐波中的高频成分逐步分离,减少高频谐波成分对电力系统的污染,对实现城市轨道交通牵引供电系统谐波信号的高分辨率检测具有很好的应用价值.
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| 关 键 词： | 城市轨道交通 牵引供电系统 谐波 小波变换 |
| 修稿时间： | 2006-03-07 |
Wavelet Transform Based Harmonic Analysis on UMT Traction Power System |
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| Mao Zhongya,Guo Qiyi.Wavelet Transform Based Harmonic Analysis on UMT Traction Power System[J].Urban Mass Transit,2007,10(2):15-19. |
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| Authors: | Mao Zhongya Guo Qiyi |
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| Institution: | Department of Electrical Engineering, Tongji University, 200331, Shanghai, China |
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| Abstract: | The harmonic of traction power system of UMT adopts 12 pulse and 24 pulse devices to commute seperately.This paper proposes that the wavelet transform be used in harmonic analysis of traction power system of urban mass transit with simulation.The results expressed that the high-frequency harmonic of signal could be separated and its pollution be decreased if only the wavelet transform is used.It's of great value to realize high-distinction measure on traction power system of urban mass transit. |
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| Keywords: | urban mass transit traction power system harmonic wavelet transform |
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