NDLI: New Bridgeless DCM Sepic and Cuk PFC Rectifiers With Low Conduction and Switching Losses

Content Provider	IEEE Xplore Digital Library
Author	Sabzali, A.J. Ismail, E.H. Al-Saffar, M.A. Fardoun, A.A.
Copyright Year	1972
Abstract	New bridgeless single-phase ac-dc power factor correction (PFC) rectifiers based on Sepic and Cuk topologies are proposed. The absence of an input diode bridge and the presence of only two semiconductor switches in the current flowing path during each switching cycle result in less conduction losses and improved thermal management compared to the conventional Sepic and Cuk PFC converters. The proposed topologies are designed to work in discontinuous conduction mode (DCM) to achieve almost unity power factor in a simple and effective manner. The DCM operation gives additional advantages such as zero-current turn-on in the power switches, zero-current turn-off in the output diode and reduces the complexity of the control circuitry. The proposed rectifiers are theoretically investigated. Performance comparisons between the proposed and conventional Sepic PFC rectifiers are performed. Simulation and experimental results are provided for a design example of a 65-W/48-V at 100- V_rms line voltage to evaluate the performance of the proposed PFC rectifier.
Sponsorship	IEEE Industry Applications Society
Starting Page	873
Ending Page	881
Page Count	9
File Size	483762
File Format	PDF
ISSN	00939994
Volume Number	47
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rectifiers Inductors Converters Topology Switches Semiconductor diodes Stress total harmonic distortion (THD) Bridgeless rectifier Cuk converter power factor correction (PFC) rectifier Sepic converter
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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