A Comparative Study of Simple Ac-Dc PWM Full-Bridge Current-Fed and Voltage-Fed Converters

Gerry Moschopoulos; Jayesh Shah

A Comparative Study of Simple Ac-Dc PWM Full-Bridge Current-Fed and Voltage-Fed Converters

Gerry Moschopoulos

Jayesh Shah

Vol. 4, No. 4, pp. 246-255, Oct. 2004

10.6113/JPE.2004.4.4.246

single-stage converters

AC-DC power conversion

Power factor correction

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Abstract

Ac-dc PWM single-stage converters that integrate the PFC and dc-dc conversion functions in a single switching converter have been proposed to try to minimize the cost and complexity associated with implementing two separate and independent switch-mode converters. In this paper, two simple ac-dc single-stage PWM full-bridge converters are considered - one current-fed, the other voltage-fed. The operation of both converters is explained and their properties are noted. Experimental results obtained from simple lab prototypes of both converters are presented, then compared and discussed.

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Cite this article

[IEEE Style]

G. Moschopoulos and J. Shah, "A Comparative Study of Simple Ac-Dc PWM Full-Bridge Current-Fed and Voltage-Fed Converters," Journal of Power Electronics, vol. 4, no. 4, pp. 246-255, 2004. DOI: 10.6113/JPE.2004.4.4.246.

[ACM Style]

Gerry Moschopoulos and Jayesh Shah. 2004. A Comparative Study of Simple Ac-Dc PWM Full-Bridge Current-Fed and Voltage-Fed Converters. Journal of Power Electronics, 4, 4, (2004), 246-255. DOI: 10.6113/JPE.2004.4.4.246.