Proposal of a Soft-Switching Single-Phase Three-Level Rectifier
Tofoli, F.L.
Coelho, E.A.A.
de Freitas, L.C.
Farias, V.J.
Vieira, J.B.
Univ. Fed. de Uberlandia, Uberlandia;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Jan. 2008
Volume: 55,
Issue: 1
On page(s): 107-113
ISSN: 0278-0046
INSPEC Accession Number: 9756563
Digital Object Identifier: 10.1109/TIE.2007.896052
Current Version Published: 2008-01-04
Abstract
This paper is concerned with the study of a single-phase boost-type three-level rectifier. The converter is supposed to present high input power factor, low current harmonics, low total harmonic distortion, and simple control scheme. In order to minimize switching losses, a passive nondissipative snubber is associated with the aforementioned converter. The theoretical analysis, design procedure, and analytical results regarding a 1.2-kW prototype are presented to validate the proposal.
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