NDLI: An Improved AC–DC Single-Stage Full-Bridge Converter With Reduced DC Bus Voltage

Content Provider	IEEE Xplore Digital Library
Author	Das, P. Shumin Li Moschopoulos, G.
Copyright Year	1982
Abstract	A new ac-dc single-stage voltage-fed pulsewidth-modulation (PWM) full-bridge converter is proposed in this paper. The converter can simultaneously perform input power factor correction and dc-dc conversion using conventional phase-shift PWM and can maintain a primary-side dc bus voltage of less than 450 V even at a high input line voltage of 265 V_rms. This is a combination of features that few, if any, other converters of the same type have. The proposed converter has these features due to the novel implementation of an asymmetrical auxiliary transformer winding that is placed in series with the input inductor and acts as a boost switch. In this paper, the operation of the proposed converter is explained in detail, its outstanding features are discussed, and a detailed design procedure is given and demonstrated with an example. Experimental results that confirm the feasibility of the converter and its ability to meet IEC1000-3-2 Class D standards for electrical equipment are also presented in this paper.
Sponsorship	IEEE Industrial Electronics Society
Starting Page	4882
Ending Page	4893
Page Count	12
File Size	532032
File Format	PDF
ISSN	02780046
Volume Number	56
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage Pulse width modulation converters Pulse width modulation Switches Analog-digital conversion DC-DC power converters Power factor correction Switching converters Windings Inductors single-stage converters AC–DC power conversion full bridge magnetic switch 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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