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A novel dual boost rectifier for power factor improvement

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4 Author(s)
S. S Darly ; Dept of EEE, Anna University, Chennai ; P. Vanaja Ranjan ; K. V. Bindu ; B. Justus Rabi

This paper discuses the reduced high conduction loss and improved efficiency of the input rectifier-bridge of a conventional boost PFC converter. By designing the necessary techniques and methodology, the overall Power Factor (PF) can be improved to the expectation. The cause of having low PF for a diode-capacitor type of rectifiers is related to non-linearity of the input current. Method of re-shaping the input current waveform to be similar pattern as the sinusoidal input voltage is done by the Boost converter and the related controls that act as a Power Factor Correction (PFC) circuit. The results of the designed system were compared with the boost rectifier without PFC control. Higher efficiency can be achieved by using the bridgeless boost topology. In this paper, digital simulation of bridgeless PFC boost rectifiers, also called dual boost PFC rectifiers, is presented. Performance comparison between the conventional PFC boost rectifier and the bridgeless PFC boost rectifier is performed.

Published in:

Electrical Energy Systems (ICEES), 2011 1st International Conference on

Date of Conference:

3-5 Jan. 2011