Two-Switch Non-Isolated Step-Up DC-DC Converter

Minh-Khai Nguyen; Youn-Ok Choi; Geum-Bae Cho; Young-Cheol Lim

Two-Switch Non-Isolated Step-Up DC-DC Converter

Vol. 18, No. 3, pp. 651-661, May 2018

10.6113/JPE.2018.18.3.651

DC-DC power conversion

High step-up

Non-isolated converter

Two-switch

Z-source converter

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Abstract

This paper suggests a new non-isolated high voltage gain DC-DC converter with two switches. The proposed two-switch converter has the following characteristics: a high voltage gain, a continuous input current with a small ripple, a reduction in the size of the inductor, and a simple circuit with only a few elements. A theoretical analysis, guidelines for parameter selection, and a comparison with conventional non-isolated high step-up converters are presented. A prototype of 250 W is set up to demonstrate the correctness of the proposed converter. Results obtained from simulations and experiments are presented.

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Cite this article

[IEEE Style]

M. Nguyen, Y. Choi, G. Cho, Y. Lim, "Two-Switch Non-Isolated Step-Up DC-DC Converter," Journal of Power Electronics, vol. 18, no. 3, pp. 651-661, 2018. DOI: 10.6113/JPE.2018.18.3.651.

[ACM Style]

Minh-Khai Nguyen, Youn-Ok Choi, Geum-Bae Cho, and Young-Cheol Lim. 2018. Two-Switch Non-Isolated Step-Up DC-DC Converter. Journal of Power Electronics, 18, 3, (2018), 651-661. DOI: 10.6113/JPE.2018.18.3.651.