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Voltage-sensor-less synchronization to unbalanced grids by frequency-adaptive virtual flux estimation

Autor
Suul, J.; Luna, A.; Rodriguez, P.; Undeland, T.
Tipus d'activitat
Article en revista
Revista
IEEE transactions on industrial electronics
Data de publicació
2012-07
Volum
59
Número
7
Pàgina inicial
2910
Pàgina final
2923
DOI
https://doi.org/10.1109/TIE.2011.2168793 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/15204 Obrir en finestra nova
URL
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6022790 Obrir en finestra nova
Resum
This paper proposes a simple method for inherently frequency-adaptive virtual flux (VF) estimation intended for voltage-sensor-less grid synchronization and control of voltage source converters. The frequency-adaptive characteristics are obtained by using a second-order generalized integrator configured as a quadrature signal generator (SOGI-QSG) with the grid frequency as an explicit input variable. It is also shown how the properties of VF estimation based on SOGI-QSGs can be utilized to achie...
Citació
Suul, J. [et al.]. Voltage-sensor-less synchronization to unbalanced grids by frequency-adaptive virtual flux estimation. "IEEE transactions on industrial electronics", Juliol 2012, vol. 59, núm. 7, p. 2910-2923.
Grup de recerca
SEER - Sistemes Elèctrics d'Energia Renovable

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