Passivity Based Control for DC-Microgrids with Constant Power Terminals in Island Mode Operation

: Este articulo presenta un Control Basado en Pasividad (CBP) de una microrred DC. El CBP se utiliza conmunmente en sistemas electricos como convertidores electronicos de potencia y maquinas electricas, pero hay pocas aplicaciones en microrredes que operan en forma aislada. El CBP se fundamenta en las propiedades de los sistemas pasivos y en el intercambio de energia entre subsistemas. La estrategia propuesta desarrolla control primario y secundario de la arquitectura de control jerarquico. Son necesarias comunicaciones locales y mediciones en los nodos donde se ubican convertidores dc/dc. Estudios de simulacion son realizados en MATLAB para validar el control en un sistema de prueba real compuesto por fuentes de energia renovables, cargas y unidades de almacenamiento de energia. Los resultados muestran que el control propuesto garantiza estabilidad y rapida respuesta del voltaje del bus dc bajo diferentes condiciones de operacion

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