NDLI: Single-Stage AC/DC Boost–Forward Converter With High Power Factor and Regulated Bus and Output Voltages

Content Provider	IEEE Xplore Digital Library
Author	Lu, D.D.-C. Iu, H.H.-C. Pjevalica, V.
Copyright Year	1982
Abstract	Unlike existing single-stage AC/DC converters with uncontrolled intermediate bus voltage, a new single-stage AC/DC converter achieving power factor correction (PFC), intermediate bus voltage output regulation, and output voltage regulation is proposed. The single-power-stage circuit is formed by integrating a boost PFC converter with a two-switch-clamped forward converter. The current stress of the main power switches is reduced due to separated conduction period of the two source currents flowing through the power switch. A dual-loop peak-current-mode controller is proposed to achieve PFC and ensure independent bus voltage and output voltage regulations. Experimental results on a 24-V/100-W hardware prototype are given to confirm the theoretical analysis and performance of the proposed converter. The converter has conversion efficiency ranging from 86% to 92% at full-load condition.
Sponsorship	IEEE Industrial Electronics Society
Starting Page	2128
Ending Page	2132
Page Count	5
File Size	624699
File Format	PDF
ISSN	02780046
Volume Number	56
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Analog-digital conversion Reactive power Voltage control DC-DC power converters Power factor correction Circuits Stress Hardware Prototypes Performance analysis single-stage AC/DC converter power factor correction (PFC)
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications

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