| 一种基于ESPRIT的电能质量系统谐波分析方法 |
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| 引用本文： | 夏颖,王尚元,何国栋,鲍文霞. 一种基于ESPRIT的电能质量系统谐波分析方法[J]. 仪器仪表用户, 2009, 16(4): 75-77. DOI: 10.3969/j.issn.1671-1041.2009.04.044 |
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| 作者姓名： | 夏颖 王尚元 何国栋 鲍文霞 |
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| 作者单位： | 安徽大学,合肥,230039 |
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| 摘 要： | 本文提出了一种基于ESPRIT的电能质量分析系统谐波间谐波检测方法。该算法是基于信号子空间的商分辨率信号分析方法。直接以测量数据构成的数据矩阵为基础，将信号空间分解为信号子空间和噪声子空间。能够高精度地估计电力系统的谐波与间谐波。进而为电能质量安全分析提供可靠依据。仿真算法表明此算法能够准确的检测出信号各个谐波间谐波成分。有效证明了此算法的正确性。
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| 关 键 词： | 谐波 间谐波 旋转不变参数估计 奇异值分解 电能质量 |
A method based on ESPRIT for harmonics and interharmonics parameters estimation of power quality analysing system |
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| XIA Ying,WANG Shang-yuan,HE Guo-dong,BAO Wen-xia. A method based on ESPRIT for harmonics and interharmonics parameters estimation of power quality analysing system[J]. Electronic Instrumentation Customer, 2009, 16(4): 75-77. DOI: 10.3969/j.issn.1671-1041.2009.04.044 |
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| Authors: | XIA Ying WANG Shang-yuan HE Guo-dong BAO Wen-xia |
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| Affiliation: | Anhui University;Hefei 230039;China |
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| Abstract: | This article mentions an ESPRIT method to detect harmonic and interharmonic in electronic qualified analysising system,which is based on high accurate way.This argorithm decomposes the singal into signal-and noised-subspace,which can estimate the frequences and phases of components of harmonics and interharmonics to offer the reliablility of the system estimated by power quality.The consequences prove the correctness with high accuracy in harmonic and interharmonic estimation of power quality analysing syst... |
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| Keywords: | harmonics interharmonics ESPRIT singular value decomposition power quality |
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