Modelling of a rectifier with unity power factor in half bridge configuration
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This paper presents a modelling of a rectifier with unity power factor (PFC) in half bridge configuration. The proposed approach is based on the movable average technique and quasi-static process analysis. This methodology is applied to find the transfer functions that describe the dynamics of the PFC, under a cascade control structure of internal and external loops. This control requires a larger bandwidth for the internal loop. Finally, some experimental results with a digital control implemented in a digital signal processor (DSP) are presented.
Electric current rectifiers, power electronics, electronic circuitsRectificadores de corriente eléctrica, electrónica de potencia, circuitos electrónicos
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