Estimación de Frecuencia y Distorsión Armónica Total Basada en Filtros Adaptativos (Frequency and Total Harmonic Distortion Estimation Based on Adaptive Filters)

Sergio E. Moya (, Javier N. J. Vilar (, Ricardo A. Korpys (, Javier E. Kolodziej (

Universidad Nacional de Misiones
This paper appears in: Revista IEEE América Latina

Publication Date: Feb. 2013
Volume: 11,   Issue: 1 
ISSN: 1548-0992

In this paper, a low computacional cost total harmonic distortion and frecuency estimation method is proposed. This method is based on adaptive digital filters allowing tracking the fundamental frequency variations. Real time experimental results obtained using a fixed point digital signal processor development kit are presented. They show an acceptable performance and have a robust behavior to signal distortions such as frequency fluctuations, high harmonic content, subharmonic and interharmonics.

Index Terms:
Adaptive filters, frequency estimation, interharmonics, power quality, subharmonics, total harmonic distortion, THD   

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