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The Design and Implementation of Power Harmonic Analysis System Based on Wavelet Packet Transform and ARM Platform

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3 Author(s)
Xie Weicheng ; Sch. of Electr. & Inf. Eng., XIHUA Univ., Chengdu, China ; Yang Xia ; Xie Yi

In this paper, the design of a real-time harmonic analysis and measurement system is proposed, the system is combined by the ARM and virtual instrument technology, the wavelet packet transform is used to detect harmonic, also, the paper set out the system's hardware structure diagram, harmonic analysis algorithm, the simulation result, and the LabVIEW subroutine which used to show the result. As a result, it proved that the system can improve the time-frequency resolution obviously and track the changes of all harmonics on real-time by using wavelet packet transform. The system increased the feasibility of monitoring the harmonics.

Published in:

Measuring Technology and Mechatronics Automation (ICMTMA), 2010 International Conference on  (Volume:3 )

Date of Conference:

13-14 March 2010