Estimación de la Distorción Armónica Total, Minimización de la Amplitude de Inter-Armonicos y Expanción de las Bandas de Rechazo en los filtros TKF (Total Harmonic Distortion Estimation, Minimization Inter Harmonic Amplitude and Expanding Bands Rejection in TKF filters)

Johnny Rodriguez Maldonado (johnnyrodmal@gmail.com)1


1Universidad Autonoma de Nuevo Leon

This paper appears in: Revista IEEE América Latina

Publication Date: Feb. 2016
Volume: 14,   Issue: 2 
ISSN: 1548-0992


Abstract:
In previous paper a modified Taylor-Kalman-Fourier (TKF) filters was proposed to estimate the dynamic phasor and time varying harmonic components under non-steady state conditions in power systems, In this paper a new TKF filter method to reduce the THD in proposed. A modified multiharmonic signal model leads us to design more robust filters because the frequency response shown that the harmonic bands improve as result of their flatness and interharmonics lobules are minimized. A mathematical signal model is developed with a factor escalate in all set of harmonics, except in the fundamental frequency. Also with proposed method is possible achieve better estimation that the TKF filters when the signal is corrupted by harmonics.

Index Terms:
Total harmonic distortion, modeling, interharmonics, power quality, Kalman filter, power system measurements, state estimation.   


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