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Title: Sliding Mode Control of the Isolated Bridgeless SEPIC High Power Factor Rectifier Interfacing an AC Source with a LVDC Distribution Bus
Authors: López-Santos, Oswaldo
Cabeza-Cabeza, Alejandro J.
García, Germain
Martinez-Salamero, Luis
Keywords: Sliding-mode control
Isolated SEPIC converter
High power factor rectifier
Isolated PFC rectifier
Bridgeless rectifier
DC distribution bus
Issue Date: 7-Sep-2019
Publisher: Energies
Citation: Lopez-Santos, O., Cabeza-Cabeza, A. J., Garcia, G., & Martinez-Salamero, L. (2019). Sliding mode control of the isolated bridgeless SEPIC high power factor rectifier interfacing an AC source with a LVDC distribution bus. Energies, 12(18), [3463].
Abstract: This paper deals with the analysis and design of a sliding mode-based controller to obtain high power factor (HPF) in the bridgeless isolated version of the single ended primary inductor converter (SEPIC) operating as a single-phase rectifier. In the work reported here, the converter is used as a unidirectional isolated interface between an AC source and a low voltage direct current (LVDC) distribution bus. The sliding-mode control is used to ensure the tracking of a high quality current reference at the input side, which is obtained from a sine waveform generator synchronized with the grid. The feasibility of the proposal is validated using simulation and experimental results, both of them confirming a reliable operation and showing good static and dynamic performances.
ISSN: 1996-1073
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