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In this paper, the properties of single-stage full-bridge converters are compared to those of single-stage forward converters. It is shown that, although both types of converters share similar properties, there are significant and surprising differences that have not been previously reported with respect to operating modes, DC bus voltage reduction techniques, and soft-switching. These differences...
A new ac-dc single stage voltage-fed PWM full-bridge converter is proposed in the 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. The proposed converter has these features due to the novel implementation...
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