Volume 8 Number 2 (Feb. 2013)
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JCP 2013 Vol.8(2): 433-440 ISSN: 1796-203X
doi: 10.4304/jcp.8.2.433-440

Harmonic Separation Based on Independent Component Analysis Method

Yongle Ai and Haiyang Zhang
School of Electrical Engineering and Automation, Henan Polytechnic University, Jiaozuo, China

Abstract—Harmonic separation plays an important role in power quality research due to the harmful impact to power system and electric apparatus. The accurate separation of harmonics is also the demand for filtering. This paper models the problem of harmonic separation as a blind source separation (BSS) task and the paper presents an algorithm called independent component analysis, which is widely used in the field of BSS. Meanwhile, the least square method is also used to solve the problem. During the harmonic separation, ICA is used to determine harmonic frequencies firstly. Then the least square method is used to determine amplitudes and phases of harmonic components. By MATLAB simulation, the result validates that harmonics can be separated effectively with a high precision by using the method proposed under the condition with low real-time demand.

Index Terms—harmonic separation, blind source separation, independent component analysis, least square method, Matlab simulation

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Cite: Yongle Ai and Haiyang Zhang, " Harmonic Separation Based on Independent Component Analysis Method," Journal of Computers vol. 8, no. 2, pp. 433-440, 2013.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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