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Recolector de Ciencia Abierta, RECOLECTA
Doctoral thesis . 2012
License: CC BY NC ND
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Recolector de Ciencia Abierta, RECOLECTA
Doctoral thesis . 2012
License: CC BY NC ND
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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Aportaciones al control directo de potencia de rectificadores activos trifásicos

Authors: González Norniella, Joaquín;

Aportaciones al control directo de potencia de rectificadores activos trifásicos

Abstract

La conversion trifasica AC/DC de energia electrica es utilizada en multiples aplicaciones. Los dispositivos tradicionales empleados para ello son los rectificadores trifasicos formados por diodos y/o tiristores. El mayor inconveniente de tales rectificadores es la elevada distorisión armonica de las corrientes AC obtenidas. La polucion armonica afecta a la calidad de potencia del suministro electrico, por lo que se establecen importantes restricciones legales en su magnitud admisible. En consecuencia, surgen metodos de reduccion de la contaminacion armonica asociada a los rectificadores trifasicos; la tecnica mas prometedora es la utilizacion de los llamados rectificadores para la mejora de la calidad de potencia, que incluyen en su topologia dispositivos autoconmutados de estado solido. Los rectificadores para la mejora de la calidad de potencia son de dos tipos: unidireccionales, cuando la energia solo fluye desde el lado AC al DC, y bidireccionales, cuando tal flujo puede invertirse (funcionamiento en modo regenerativo). Los rectificadores para la mejora de la calidad de potencia susceptibles de funcionar en modo regenerativo se denominan rectificadores activos; estos incluyen un sistema de control de la tension o de la corriente en el lado DC, pueden operar con un factor de potencia cercano a la unidad y trabajan con corrientes AC practicamente sinusoidales. Entre los rectificadores activos destaca el denominado Boost o en fuente de tension, empeado cuando se requiere regular la tension DC para que esta se mantenga igual a un valor de referencia. La Tesis esta especificamente dedicada al estudio de rectificadores activos trifasicos Boost de seis interruptores, tres hilos y dos niveles y el analisis de sus metodos de control. Entre estos ultimos destacan el Control Directo de Potencia (DPC) y el Control Directo de Potencia basado en Flujo Virtual (VF-DPC).

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Spain
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Motores Eléctricos, Aplicaciones Eléctricas

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green