Control Directo de Potencia Predictivo Robusto con Sincronismo Intrínseco

J.R. Fischer; S.A. González; I. Carugati; M.G. Judewicz; D.O. Carrica

doi:10.1016/j.riai.2015.02.004

Autores/as

J.R. Fischer Universidad Nacional de Mar del Plata
S.A. González Universidad Nacional de Mar del Plata
I. Carugati Universidad Nacional de Mar del Plata
M.G. Judewicz Universidad Nacional de Mar del Plata
D.O. Carrica Universidad Nacional de Mar del Plata

DOI:

https://doi.org/10.1016/j.riai.2015.02.004

Palabras clave:

Control Directo de Potencia, Control de Corriente Predictivo Robusto, Inversor de Tensión Controlado en Corriente, Distorsión Armónica

Resumen

Este trabajo presenta un esquema de control directo de potencia instantánea para el inversor de tensión trifásico de tres hilos con frecuencia de conmutación fija y modulación por vectores espaciales con sincronismo intrínseco, por lo que no se requiere un PLL trifásico. El control se basa en un esquema de control predictivo dead-beat para lograr una rápida respuesta a la referencia de potencia. La propuesta consta además de un novedoso detector de secuencia positiva de red el cual asegura la eliminación de la distorsión en la corriente de salida debido a perturbaciones armónicas de la red. Se presentan resultados de simulación y resultados experimentales que verifican el desempeño del controlador propuesto obteniéndose una corriente de salida con bajo contenido armónico y donde los tiempos de respuesta hasta alcanzar la referencia de potencia es del orden de 200 μs.

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