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Resumen

 

LMI-ROBUST H CONTROL APPLIED TO INTERCONNECTED MULTIMACHINE POWER SYSTEM

CONTROL ROBUSTO H¥ BASADO EN LMI's APLICADO A UN SISTEMA DE POTENCIA MULTIMAQUINA
PhD. Juan Mauricio Salamanca.
MSc. Oscar Oswaldo Rodríguez Díaz.

Abstract: This document presents a robusto H based in Linear Matrix Inequalities applied to a power multimachine interconnected, which is expressed such as Differential and Algebraic lineal model. The strategy permits to damp oscillations generated by changes in operation point of each subsystem and input perturbations in mechanic power. The strategy only uses minimal available information in output static feedback form. The feedback variables are local and remote for each machine. The control law is probed in a matlab/simulink simulated three machines benchmark. The simulations and the results are showed at the end of paper.

Keywords : Interconnected Systems, robust control, LMI, decentralized control.

Resumen: En este documento se presenta una técnica de control robusto H basada en desigualdades matriciales lineales (LMIs) aplicada a un sistema interconectado de potencia multimáquina expresado como un modelo algebraico diferencial lineal (DAE). La estrategia permite amortiguar oscilaciones generadas por cambios en los puntos de operación de cada subsistema y perturbaciones en la potencia mecánica de entrada. El sistema de control sólo utiliza información mínima disponible en forma de retroalimentación estática de las variables de salida en cada subsistema aislado. La estrategia se prueba en un modelo simulado en Matlab/Simulink para 3 máquinas interconectadas y se muestran las gráficas de los resultados.

Palabras clave: Sistemas interconectados, control robusto, LMI, control descentralizado.