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A steady-state harmonic controller for a series compensator with uncertain load dynamics

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IIT-17-097A.pdf (3.111Mb)
Fecha
2017-09-01
Autor
Roldan Perez, Javier
Zamora Macho, Juan Luis
Ochoa Giménez, Miguel
García Cerrada, Aurelio
Estado
info:eu-repo/semantics/publishedVersion
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Resumen
 
 
Series compensators can be used to solve a number of power quality issues in electrical distribution systems. These devices are connected in series between the point of common coupling and a load and they inject a series voltage to compensate voltage sags, swells, unbalances, and many other power quality issues. A series compensator requires a harmonic-tracking algorithm within its controller to eliminate harmonics. However, the uncertainty introduced by linear and non-linear loads connected downstream makes it difficult to guarantee closed-loop stability in every case. To overcome this problem this paper proposes a control algorithm to compensate harmonics that can be adapted in real time avoiding the need for an accurate model of the plant at the design stage. This controller is implemented in a series compensator to eliminate harmonics in two situations: filtering voltage harmonics from the grid voltage and filtering current harmonics generated by a non-linear load. The proposed algorithm was validated on a 5 kVA prototype of a series compensator.
 
URI
https:doi.org10.1016j.epsr.2017.04.029
A steady-state harmonic controller for a series compensator with uncertain load dynamics
Tipo de Actividad
Artículos en revistas
ISSN
0378-7796
Materias/ categorías / ODS
Instituto de Investigación Tecnológica (IIT)
Palabras Clave

Control systems; Harmonics; Power quality; AC–DC power conversion; Series active power filter; Dynamic voltage restorer
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Repositorio de la Universidad Pontificia Comillas copyright © 2015  Desarrollado con DSpace Software
Contacto | Sugerencias