Fuzzy Controlled Bridgeless Resonant Pseudoboost Rectifier for Power Factor Correction Applications

A single phase Ac-DC bridgeless converter topology with a power factor correction (PFC) is proposed. Less number of components is the main advantage of using bridgeless resonant pseudoboost rectifier for power factor correction compared to other conventional topologies. In this topology, the input diode bridge is absent and in the current path there is only one diode during each stage of switching cycle. This rectifier is designed to work in resonant mode to achieve power factor close to unity in a very simple manner. Fuzzy logic control for resonant pseudoboost PFC rectifier is presented in this paper. Fuzzy control provides a much faster output voltage response as compared to openloop.