Interharmonics Analysis Based on Windowed Interpolation and Prony Algorithm

被引：1
|
作者：
Xiong, Jiefeng [1 ,2 ]
Wang, Boling [1 ]
Zhang, Shaoyong [1 ]
Xiong, Jiefeng [1 ,2 ]
机构：
[1] Hohai Univ, Coll Elect Engn, Nanjing, Jiangsu, Peoples R China
[2] Nanjing Univ Informat Sci & Technolog, Coll Elect & Informat Engn, Nanjing, Jiangsu, Peoples R China
来源：
2010 2ND INTERNATIONAL ASIA CONFERENCE ON INFORMATICS IN CONTROL, AUTOMATION AND ROBOTICS (CAR 2010), VOL 1 | 2010年
关键词：
interharmonics; harmonic analysis; windowed interpolation; Prony algorithm; FFT;
D O I：
10.1109/CAR.2010.5456806
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Detecting interharmonics in power system for flicker troubshooting is highly desirable. Whereas these interharmonics are close to harmonic or fundamental component, it is always swamped by the main-lobe of harmonic nearby if the harmonic amplitude is much bigger than interharmonic amplitude, and vice versa. In this paper, a double-stage algorithm is proposed based on the windowed interpolation and the Prony method to overcome this problem. The interpolation method calculates most parts of harmonics and identifies the frequency interval in which two adjacent components are located, and then the Prony algorithm is used to compute these two adjacent components. Matlab simulation shows that two adjacent components can be detected with acceptable precision and the accuracy of other harmonic components enjoy the same as the interpolation algorithm.
引用
收藏
页码：430 / 433
页数：4
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