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Conference paper

Rethinking Rectification: AC-DC Power Supply in Package

By Pejtersen, Jens1,2; Knott, Arnold1,2; Jørgensen, Ivan Harald Holger1,2

From

Department of Electrical Engineering, Technical University of Denmark1

Electronics, Department of Electrical Engineering, Technical University of Denmark2

Rectification of AC mains voltage is almost exclusively implemented with passive diode bridge rectifiers for power applications below 100 W. The diode bridge rectifier is reliable, cost effective and easy to use. But it is also lossy, nonlinear and passive. Thus reducing the power conversion efficiency, while drawing high input peak current with a high harmonic content.

Mitigating these non-idealities requires higher order EMI filters and a subsequent power factor correction stage. Advanced active rectifier topologies can mitigate all three non-idealities simultaneously while balancing power conversion efficiency, EMI filter size and power factor. A requirement for achieving increasing power density.

Language: English
Year: 2016
Proceedings: International Workshop on Power Supply On Chip
Types: Conference paper
ORCIDs: Pejtersen, Jens , Knott, Arnold and Jørgensen, Ivan Harald Holger

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