Bridgeless Boost Power Factor Correction Rectifier with Hold-Up Time Extension Circuit

A bridgeless boost (BLB) power factor correction (PFC) rectifier with hold-up time extension circuit is proposed in this paper. A full bridge rectifier is widely used in the front end of the ac/dc converter. Since the shortcomings of the full bridge rectifier, the bridgeless rectifier is developed. A BLB rectifier topology is utilized with the hold-up time extension circuit. Unlike the traditional hold-up time extension circuit, the proposed extension scheme uses fewer active switches to achieve a longer hold-up time. Simulation results are presented to verify the converter performance.

Authors:

• Chih-Chiang Hua
• Yi-Hsiung Fang
• Yuan-Jhen Siao

Keywords:

• Bridgeless boost
• boost converter
• power factor correction
• hold-up time.

References:

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