Modified Bridgeless Buck Rectifier with Single Inductor for Power Factor Correction

International Journal of Electrical and Electronics Engineering
© 2017 by SSRG - IJEEE Journal
Volume 4 Issue 4
Year of Publication : 2017
Authors : Shabana J
How to Cite?

Shabana J, "Modified Bridgeless Buck Rectifier with Single Inductor for Power Factor Correction," SSRG International Journal of Electrical and Electronics Engineering, vol. 4,  no. 4, pp. 5-13, 2017. Crossref,


Today Ac/dc power supplies find its applications in most of the appliances such as battery chargers, note book adapters, desktop computers etc. These Ac/dc power supplies should possess features such as high Power factor, improved efficiency, minimum THD and component count. In this paper, a Bridgeless buck Rectifier with Single Inductor is presented which considerably increases the efficiency of conventional buck power factor correction converters by reducing the number of simultaneously conducting semiconductor components. Moreover, the low utilization of the magnetic component in the conventional bridgeless buck rectifier is improved by modified bridgeless buck rectifier with single inductor. Simulation of closed loop controlled bridgeless buck PFC rectifier with two inductors and modified converter is performed in MATLAB software to verify its operation. The performance of the Modified Converter is evaluated on a 1-kHz, 5-W prototype circuit that is designed to produce an Output Voltage of 12 V for battery chargers Applications.


bridgeless converters, Buck converter, magnetic utilization, power factor correction.


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