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http://dx.doi.org/10.6113/JPE.2014.14.2.237

A New ZVS-PWM Full-Bridge Boost Converter  

Baei, Mohammadjavad (Department of Electrical and Computer Engineering, University of Western Ontario)
Narimani, Mehdi (Department of Electrical and Computer Engineering, University of Western Ontario)
Moschopoulos, Gerry (Department of Electrical and Computer Engineering, University of Western Ontario)
Publication Information
Journal of Power Electronics / v.14, no.2, 2014 , pp. 237-248 More about this Journal
Abstract
Pulse-width modulated (PWM) full-bridge boost converters are used in applications where the output voltage is considerably higher than the input voltage. Zero-voltage-switching (ZVS) is typically implemented in these converters. A new ZVS-PWM full-bridge converter is proposed in this paper. The proposed converter does not have any of the disadvantages associated with other converters of this type, including a complicated auxiliary circuit, increased current stresses in the main power switches, and load-dependent ZVS operation. The operation of the proposed converter, its steady-state characteristics, and its design are explained and examined. The feasibility of the converter is confirmed with results obtained from an experimental prototype.
Keywords
Boost converter; DC-DC power conversion; Full-bridge; ZVS;
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