Análisis de Estabilidad en Tiempo Discreto de un PFC Controlado por Corriente Programada (Stability Analysis in Discrete Time of a PFC Controlled by Current -Programed)
Análisis de Estabilidad en Tiempo Discreto de un PFC Controlado por Corriente Programada (Stability Analysis in Discrete Time of a PFC Controlled by Current -Programed)
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El presente artículo hace un estudio analítico de un convertidor Boost controlado por corriente programada funcionando como corrector de factor de potencia (PFC), se modela en tiempo discreto, se hace un análisis de estabilidad basado en la matriz Jacobiana evaluada en el punto de equilibrio, con ayuda de la cual encontramos el polinomio característico del sistema y, por medio de simulaciones numéricas, aseguramos que las ganancias de control estén dentro del circulo unitario para que el sistema sea estable.
Abstract: This paper is an analytic study of a current-programmed DC/DC Boost converter, operating as power factor correction (PFC). The converter is modeled in discrete time and the stability analysis is performed by evaluating the Jacobian matrix at the point of equilibrium. Thus, the characteristic polynomial is obtained and by simulation is obtained the gain which makes the system be stable.
Sumário: Este artigo apresenta um estudo analítico de um convertedor Boot controlado por corrente programada funcionando como corretor de fator de potência (PFC), modela-se em tempo discreto, faz-se um análise de estabilidade baseado na matriz Jacobiana avaliada no ponto de equilíbrio, com ajuda do qual encontramos o polinômio caraterístico do sistema e por meio de simulações numéricas seguramos que as ganâncias de controle estejam dentro do círculo unitário para que o sistema seja estável.
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