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In this paper, a two-phase dc to dc converter module is first proposed by integrating a forward converter with a voltage-doubler to achieve high step-up ratio and high efficiency. Then, steady state analyses are made to show the merits of the proposed converter. For closed loop control design, the corresponding small signal model is also derived. It is seen that, for higher power applications, more...
This paper presents a novel integrated single-phase inverter with both high step-up ratio and buck-boost capabilities for low-voltage alternative energy source applications. An auxiliary step-up circuit is integrated with an isolated Ćuk-derived voltage-source inverter to achieve a much higher voltage-conversion ratio while avoiding using extreme duty ratios in both dc-side and ac-side switches....
In this paper, a two-phase interleaved boost converter with low switch voltage stress and automatic current-sharing capability is proposed for single-phase power factor correction (PFC). First, a forward-type converter is integrated with the first phase to achieve much higher voltage conversion ratio and avoid operating at extreme duty ratio. Then, two capacitors are added as voltage dividers for...
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