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Electronics 2017, 6(2), 35; doi:10.3390/electronics6020035

A Soft-Switching SEPIC with Multi-Output Sources

1
Department of Electrical Engineering, National Chin-Yi University of Technology, Taichung 41170, Taiwan
2
Department of Electronic Engineering, National Chin-Yi University of Technology, Taichung 41170, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Mostafa Bassiouni
Received: 2 March 2017 / Revised: 18 April 2017 / Accepted: 3 May 2017 / Published: 6 May 2017

Abstract

In this paper, a soft-switching single-ended-primary-inductance converter (SEPIC) with multi-output sources is proposed. The proposed SEPIC has the following advantages: (1) The conversion efficiency can be increased. To incorporate a soft-switching cell with a flyback-type, the power switches can achieve zero-voltage-switching (ZVS) and zero-current-switching (ZCS) features under turn-on transitions, resulting in reducing the switching losses and electromagnetic interference (EMI); (2) The applicability can be maximized. To apply the voltage ratio of the transformers, the proposed SEPIC has multi-output sources with step-up/down voltage functions. Finally, a prototype of the soft-switching SEPIC with multi-output sources is built and implemented. Simulated and experimental results are presented to verify the performance and the feasibility of the proposed soft-switching SEPIC with multi-output sources. View Full-Text
Keywords: soft-switching; SEPIC; ZVS; ZCS; EMI soft-switching; SEPIC; ZVS; ZCS; EMI
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Tsai, C.-T.; Su, J.-C. A Soft-Switching SEPIC with Multi-Output Sources. Electronics 2017, 6, 35.

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