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JPE, Vol. 19, No. 4, July 2019
High Quality DC-DC Boosting Converter Based on Cuk Converter and Advantages of Using It in Multilevel Structures
Sajad Rostami, Vahid Abbasi, and Tamas Kerekes
Area Low Power Converters
Abstract In this paper, a DC-DC converter is proposed based on the Cuk converter. The proposed converter has high efficiency and it can be used in multilevel DC-DC converters. A reduction of the inductors size in comparison to Cuk converter and a reduction in the inductors resistance negative effects on efficiency are the important points of the proposed converter. Its voltage ripple is reduced when compared to other converters. Its output voltage has a high quality and does not contain spikes. A theoretical analysis demonstrates the positive points of the proposed converter. The design and analysis of the converter are done in continues conduction mode (CCM). Experiments confirm the obtained theoretical equations. The proposed converter voltage gain is similar to that of a conventional Boost converter. As a result, they are compared. The comparison illustrates the advantages of the proposed converter and its higher quality. Furthermore, a prototype of the proposed converter and its combination with a 2x multiplier are built in the lab. Experimental results validate the analysis. In addition, they are in good agreements with each other.
Keyword Boost converter,DC-DC converter,Fuel cell applications,Multilevel converter,Photovoltaic applications,Spikes
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