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Harmonic Analysis System of Power Network Based on Wavelet Transform

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4 Author(s)
Li Zhenmei ; Shandong Univ. of Technol., Zibo ; Shen Jin ; Li Tianze ; Yang Shulian

The harmonic analysis system of power network was developed based on wavelet transform by using the virtual instrument. The system consists of sensors, signal conditioning circuits, data acquisition and computers. Within the system, the wavelet packet was adopted to analyse harmonics and locate the distortion point by means of the MATLAB script node in LabVIEW, in which the signals were divided into multi -frequency band according to the power signal character, and the frequency band was selected adaptively so as to promote the time-frequency resolution of signals.

Published in:
Electronic Measurement and Instruments, 2007. ICEMI '07. 8th International Conference on

Date of Conference: Aug. 16 2007-July 18 2007

Page(s):
3-536 - 3-539
E-ISBN :
978-1-4244-1136-8
Print ISBN:
978-1-4244-1136-8
INSPEC Accession Number:
9717344
Conference Location :
Xi'an
Digital Object Identifier :
10.1109/ICEMI.2007.4350974
Product Type:
Conference Publications

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