2017
DOI: 10.17533/udea.redin.n82a02
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Modeling and development of a bridgeless PFC Boost rectifier

Abstract: ABSTRACT:This paper proposes a model of the bridgeless PFC (Power Factor Correction) boost rectifier for control purposes based on an averaged small-signal analysis. From circuital laws, four operation modes are defined and explained, ensuring a relationship of physical variables in the converter. Based on the proposed model, two-loop cascade control structures composed of Proportional-Integral (PI) lineal controllers are proposed. Design consideration for dimensioning reactive elements is included, providing … Show more

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Cited by 18 publications
(26 citation statements)
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“…1. El SBLB PFC puede descomponerse en dos convertidores elevadores operativos según el semi-ciclo de la red (Mejía-Ruiz et al, 2017), por lo que se modela el sistema para cada semiciclo. El SBLB PFC posee dos interruptores Q1 y Q2, cuatro diodos D1, D2, D3, y D4, dos inductores L1 y L2, un condensador C y la resistencia de carga RL (Alam et al, 2017;Jovanovic y Jang, 2005;Xu et al, 2014).…”
Section: Modelo Dinámico Del Sistema a Controlar Con Banda De Histéreunclassified
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“…1. El SBLB PFC puede descomponerse en dos convertidores elevadores operativos según el semi-ciclo de la red (Mejía-Ruiz et al, 2017), por lo que se modela el sistema para cada semiciclo. El SBLB PFC posee dos interruptores Q1 y Q2, cuatro diodos D1, D2, D3, y D4, dos inductores L1 y L2, un condensador C y la resistencia de carga RL (Alam et al, 2017;Jovanovic y Jang, 2005;Xu et al, 2014).…”
Section: Modelo Dinámico Del Sistema a Controlar Con Banda De Histéreunclassified
“…Las ecuaciones (1) y (2) representan el modelo del sistema que es obtenido con base en las leyes de Kirchhoff y los estados de conmutación de Q1 y Q2. u=1se establece cuando los interruptores están cerrados, mientras que u=0 se establece cuando los interruptores están abiertos (Mejía-Ruiz et al, 2017). (Utkin, 2016).…”
Section: Modelo Dinámico Del Sistema a Controlar Con Banda De Histéreunclassified
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“…based on the power applications, there are more types of PFC converters which widely used, such as the Conventional PFC boost converter [5][6][7], the bridgeless PFC boost converter [8,9], and the interleaved PFC boost converter [10,11]. For telecom applications, conventional PFC boost converter is the mostly used circuit because its good performance with economic, simplest and less requirements of the power and control circuits design [1,12], the target of this paper is to improve the performance of the telecom power supply conventional PFC stage by optimized the control technique of the boost converter controllers in order to offer converter with unity power factor by reducing the THD of the input supply current.…”
Section: Introductionmentioning
confidence: 99%