NDLI: A single-stage power factor correction switched mode power supply

Content Provider	IEEE Xplore Digital Library
Author	Postiglione, C.S. Perin, A.J. Nascimento, C.B.
Copyright Year	2007
Description	Author affiliation: Fed. Univ. of Catarina - UFSC, Florianopolis (Postiglione, C.S.; Perin, A.J.)
Abstract	This paper presents a single-stage power factor corrected ac-dc converter based on a half-bridge topology. The proposed converter make use of the charge-pump and interleaving techniques resulting in near unity power factor and ripple free input current, meeting the IEC 61000-3-2 regulations for wide-load ranges. It is also a cost effective and competitive solution for 100 - 600 W applications where a two stage approach is costly and passive filters are not recommended. It works with zero voltage switching (ZVS) for a reasonable load variation range, achieving higher efficiency at higher load conditions. To overcome the excessive elevation of the Dc-link voltage in lower load situations, a common problem of single-stage PFC solutions, frequency variation and PWM control are used simultaneously.
Starting Page	1
Ending Page	9
File Size	953417
Page Count	9
File Format	PDF
ISBN	9789275815108
DOI	10.1109/EPE.2007.4417764
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-02
Publisher Place	Denmark
Access Restriction	Subscribed
Rights Holder	EPE Association
Subject Keyword	Switched-mode power supply Reactive power AC-DC power converters Charge pumps IEC standards Power factor correction Zero voltage switching Pulse width modulation Interleaved codes ZVS converters Topology
Content Type	Text
Resource Type	Article

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