NDLI: An accurate time-domain procedure for harmonics and interharmonics detection

Content Provider	IEEE Xplore Digital Library
Author	Cheng-I Chen Chang, G.W.
Copyright Year	2010
Description	Author affiliation: Department of Computer Science and Information Engineering, Asia University, Taiwan (Cheng-I Chen) \|\| Department of Electrical Engineering, National Chung Cheng University, Taiwan (Chang, G.W.)
Abstract	Frequency is an important indicator for the quality of electric power. Accurate spectral decompositions rely much on the correct identification of frequencies of the measured signals. An efficient procedure that includes a high-resolution Prony-based method in conjunction with the down-sampling technique for harmonics and interharmonics detection of the measured power signal is proposed in this paper. It is shown that, even when two or more closely adjacent spectral lines are present, the proposed method can precisely detect the harmonic and interharmonic components. The performance of the proposed method is validated by testing the simulated and actual measured power signals. Results are compared with those obtained by FFT with and without synchronization, IEC sub-grouping method, and other commonly used linear prediction approaches adopted in the Prony¡¦s method. It shows that the proposed method is more accurate on detection of harmonics and interharmonics with a high resolution.
Starting Page	1
Ending Page	1
File Size	87363
Page Count	1
File Format	PDF
ISBN	9781424465491
ISSN	19449925
e-ISBN	9781424465514
e-ISBN	9781424483570
DOI	10.1109/PES.2010.5589614
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Harmonic analysis Power measurement Signal resolution Power system harmonics Time frequency analysis Electrical engineering
Content Type	Text
Resource Type	Article

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