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A family of gradient descent grid frequency estimators for the SOGI filter

Autor
Matas, J.; Martin, M.; De La Hoz, J.; Abusorrah, A.; Al-Turki, Y.; Al-Hindawi, M.
Tipus d'activitat
Article en revista
Revista
IEEE transactions on power electronics
Data de publicació
2017-09-04
Volum
PP
Número
99
Pàgina inicial
1
Pàgina final
13
DOI
https://doi.org/10.1109/TPEL.2017.2748920 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/111151 Obrir en finestra nova
URL
http://ieeexplore.ieee.org/document/8025420/ Obrir en finestra nova
Resum
IEEE This paper applies the adaptive gradient descent method to the second-order generalized integrator (SOGI) filter in order to find an online estimation algorithm for the grid frequency, which leads to the proposal of three possible estimators. One of them is identical to the FLL algorithm reported in literature, which proves that it should be understood as a gradient descent estimation algorithm and not as a "frequency locked loop". The proposed gradient descent estimators are simple and sui...
Citació
Matas, J., Martin, M., De La Hoz, J., Abusorrah, A., Al-Turki, Y., Al-Hindawi, M. A family of gradient descent grid frequency estimators for the SOGI filter. "IEEE transactions on power electronics", 4 Setembre 2017, vol. PP, núm. 99, p. 1-13.
Paraules clau
Band-pass filters, Filtering theory, Frequency estimation, Frequency locked loops, Gradient descent estimator, Harmonic analysis, Phase locked loops, Power harmonic filters, SOGI filter, generalized integrators, online grid-frequency estimation, power quality
Grup de recerca
PERC-UPC - Centre de Recerca d'Electrònica de Potència UPC
SEPIC - Sistemes Electrònics de Potència i de Control

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