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A high-voltage-gain technique employing dc-dc power electronic converters is proposed. The suggested topologies can be used as multiport converters and draw continuous current from two input sources. They can also draw continuous current from a single source in an interleaved manner. The proposed converter can easily achieve a gain of 12 while getting a continuous input current. Such a converter can...
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 active clamp Flyback-Forward converter is proposed for large voltage gain and high power applications. The interleaved configuration on the primary side is employed to handle the large input current. An improved voltage doubler configuration is adopted on the secondary side to make the output diodes sustain only half of the high output voltage. Furthermore, the output diode...
In this paper, a hybrid topology that combines clamp-mode coupled inductor and voltage multiplier cell is proposed to provide high voltage gain, reduced switching losses and higher power density. The duty ratio of the converter is also maintained at safe limits while obtaining the required voltage gain. The topology has been designed for a 220V, lkW application operating from 12V input. The reactive...
By integrating a novel voltage doubler rectifier with a classical current-fed converter, a current-fed push-pull boost converter with voltage doubler (CFBCVD) is presented. In addition to having a non-pulsating input current, recovery of the secondary leakage energy, low output capacitor current ripple, much lower rectifier diode voltage stress, and much higher voltage gain can be obtained. These...
An interleaved boost converter with coupled inductors and switched capacitors is proposed in this paper. The switched capacitors are used to realize the inherent voltage-double function which increases the voltage gain and reduces the voltage stress of the switch greatly so that the low conduction resistance and low voltage rated switches can be applied. Moreover, according to capacitor charge balance,...
An interleaved boost converter with coupled inductors and switched capacitors is proposed in this paper. The switched capacitors are used to realize the inherent voltage-double function that increases the voltage gain and reduces the voltage stress of the switch greatly. Therefore, the low-conduction resistance and low-voltage-rated switches can be applied to improve the efficiency of this topology...
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