Soft Switching of Non-Isolated Buck-Type Converter with Common-Ground Switch

Yeu-Torng Yau, Kuo-Ing Hwu and Jenn-Jong Shieh
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Yeu-Torng Yau: Department of Ph.D. Program, Prospective Technology of Electrical Engineering and Computer Science, National Chin-Yi University of Technology, No.57, Sec. 2, Zhongshan Rode, Taiping District, Taichung 41170, Taiwan
Kuo-Ing Hwu: Department of Electrical Engineering, National Taipei University of Technology, No.1, Sec. 3, Zhongxiao E. Rode, Taipei 10608, Taiwan
Jenn-Jong Shieh: Department of Electrical Engineering, Feng Chia University, No. 100, Wenhwa Road, Seatwen, Taichung 40724, Taiwan

Energies, 2021, vol. 14, issue 17, 1-15

Abstract: A non-isolated buck converter, together with resonance and zero voltage transition to achieve zero voltage switching (ZVS) and zero current switching (ZCS), is presented herein to upgrade the conversion efficiency. In this circuit, the main switch and the auxiliary switch are connected to the common ground so as to make the two switches easily driven. Furthermore, these two switches take time division multiplexing operation. In addition, the pulse width modulation (PWM) control technique is utilized so as to render the output inductor and capacitor easily designed. In this paper, the theoretical derivation is first introduced, and secondly, some experimental results are provided to demonstrate the effectiveness of the proposed topology.

Keywords: buck; resonance; soft switching; zero current switching; zero voltage switching (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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