An improved harmonic current detection method based on LMS

In the harmonic detection circuit, the precision of detection of harmonic current is crucial to the realization of the entire circuit's function. By using the combination of the adaptive theory and the traditional instantaneous reactive power theory, extraction of fundamental current using the...

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Bibliographic Details
Published in:2015 IEEE 10th Conference on Industrial Electronics and Applications (ICIEA) pp. 1359 - 1363
Main Authors: Xue Zhang, Lei Wu, Jing Hui
Format: Conference Proceeding
Language:English
Published: IEEE 01.06.2015
Subjects:
Active filters
Adaptive filters
Harmonic analysis
Harmonic current detection
Least squares approximations
LMS adaptive algorithm
Power harmonic filters
Reactive power
Self-adaptive
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Summary:In the harmonic detection circuit, the precision of detection of harmonic current is crucial to the realization of the entire circuit's function. By using the combination of the adaptive theory and the traditional instantaneous reactive power theory, extraction of fundamental current using the LMS adaptive algorithm improve filtering accuracy and shorten the delay time compared with the low pass filter, the accuracy of detecting current is further improved.
DOI:10.1109/ICIEA.2015.7334320