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The KY converter, which features fast transient response, non-pulsating output current and simple structure, is a novel step-up topology to overcome the disadvantages of the traditional boost converter. Therefore, in this paper, based on the method of state-space averaging, the KY converter, including the inductor copper resistance and the output capacitor resistance is analyzed and modeled as a small-signal...
In this paper, a novel voltage-boosting converter is presented, which combines one charge pump and one coupled inductor with the turns ratio. The corresponding voltage gain is greater than that of the existing step-up converter combining KY and buck-boost converters. Since the proposed converter possesses an output inductor, the output current is nonpulsating. After some mathematical deductions, an...
In this paper, an improved KY converter is presented, which is constructed mainly by one charge pump capacitor and one central-tapped coupling inductor. Besides, a passive clamping snubber is added to this converter to improve the efficiency above half load. As compared to the KY converter, the voltage gain of the proposed converter is upgraded significantly. In this paper, the basis operating principles...
In this paper, a novel high step-up converter is presented, which combines one charge pump and one coupled inductor with the turns ratio. The corresponding voltage gain is greater than that of the existing step-up converter combing KY and buck-boost converters. Since the proposed converter possesses an output inductor, the output inductor current is non-pulsating. After some mathematical deductions,...
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