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- W1990123279 abstract "This study proposes a novel topology of the ac–dc converter using direct power conversion that has a simple structure and achieves high efficiency. The proposed converter is derived by integrating the step-down ac chopper and the output-voltage doubler. The proposed converter provides direct ac–dc conversion and isolated dc output voltage without using any full-bridge diode rectifier. The step-down ac chopper using an active-clamp mechanism serves to clamp the voltage spike across the main switches and provides zero-voltage turn-on switching. The resonant-current path formed by the leakage inductance of the transformer and the resonant capacitor of the output-voltage doubler achieves the zero-current turn-off switching of the output diodes. The operation principle of the converter is analysed and verified. A 500 W prototype is implemented to show the performance of the proposed converter. The prototype provides maximum efficiency of 95.1% at the full load." @default.
- W1990123279 created "2016-06-24" @default.
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- W1990123279 date "2012-01-01" @default.
- W1990123279 modified "2023-09-27" @default.
- W1990123279 title "Novel topology of ac–dc converter using direct power conversion" @default.
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- W1990123279 doi "https://doi.org/10.1049/iet-pel.2011.0355" @default.
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