Title :
Frequency Adaptive Discrete Filter for Grid Synchronization Under Distorted Voltages
Author :
Jorge, Sebastián Gómez ; Busada, Claudio A. ; Solsona, Jorge A.
Author_Institution :
Dept. de Ing. Electr. y de Computadoras, Univ. Nac. del Sur (UNS), Bahia Blanca, Argentina
Abstract :
This paper presents a frequency adaptive discrete-time-domain nonlinear filter for three-phase grid synchronization. Due to the discrete time nature of the proposal, all the analysis performed here is valid for a DSP implementation, and this implementation is straightforward. The proposed algorithm has very low computational burden, as in its basic form it only requires three states.
Keywords :
adaptive filters; digital signal processing chips; discrete time filters; nonlinear filters; power grids; DSP implementation; distorted voltages; frequency adaptive discrete-time-domain nonlinear filter; three-phase grid synchronization; Algorithm design and analysis; Convergence; Estimation; Frequency estimation; Harmonic analysis; Heuristic algorithms; Signal processing algorithms; Adaptive notch filter (ANF); frequency estimation; grid synchronization; phase lock loop (PLL); sinusoid estimation;
Journal_Title :
Power Electronics, IEEE Transactions on
DOI :
10.1109/TPEL.2012.2185517
