A novel bridgeless flyback power factor correction rectifier with single output winding and reduced components voltage stress
- Publication Type:
- Conference Proceeding
- Citation:
- 2017 19th European Conference on Power Electronics and Applications, EPE 2017 ECCE Europe, 2017, 2017-January pp. P1 - P9
- Issue Date:
- 2017-11-06
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© 2017 Assigned jointly to the European Power Electronics and Drives Association & the Institute of Electrical and Electronics Engineers (IEEE). In this paper, a novel bridgeless Flyback power factor correction rectifier is presented. Two active power switches, rather than the line-voltage diode bridge, are used to provide the bidirectional power flow. In comparison with the existing Flyback rectifiers, the proposed topology uses less number of transformer windings which simplifies the complexity of implementation in terms of magnetic utilization. Besides, the voltage stress on the output diodes and capacitors is reduced. After carrying out a detailed theoretical analysis, performance of the proposed converter was verified by simulations and experiments. The experimental tests on a 110 V to 48 V, 50W prototype reveal that an average efficiency at 90% and a high power factor can be achieved.
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