Experimental evaluation of the bridgeless interleaved boost PFC converter

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2012-12-01

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This paper presents theoretical evaluation and experimental results to the proposed bridgeless interleaved boost PFC (power factor correction) converter. The application of bridgeless technique causes reduction of conduction losses, while the interleaving technique of the converter cells allows division of the current stress in semiconductor devices and reduction of weight and volume of the input EMI filter. In each cell of the converter, the inductor current operates in discontinuous conduction mode (DCM), which eliminates turn-on switching losses and the effects of reverse recovery in semiconductors, increasing the efficiency of the converter. The experimental results show the power factor of 0.96 for employed voltage ratio and an efficiency of 95.2 % for nominal load conditions. © 2012 IEEE.

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2012 10th IEEE/IAS International Conference on Industry Applications, INDUSCON 2012.

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