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http://dx.doi.org/10.6113/TKPE.2013.18.2.131

Phase-Shift Full-Bridge DC/DC Converter with Fixed-Phase Operation Inverter  

Kim, Jin-Ho (Division of Electrical Eng., Kookmin University)
Park, Jae-Sung (Division of Electrical Eng., Kookmin University)
Kim, Hong-Kwon (Division of Electrical Eng., Kookmin University)
Park, Jun-Woo (Division of Electrical Eng., Kookmin University)
Shin, Yong-Saeng (R&D Team, Telecom Sys., Samsung Electronics)
Ji, Sang-Keun (CDS Circuit Tech. Group, Samsung Electro-Mechanics)
Cho, Sang-Ho (CDS Circuit Tech. Group, Samsung Electro-Mechanics)
Roh, Chung-Wook (Dept. of Electrical Eng., Kookmin University)
Hong, Sung-Soo (Division of Electrical Eng., Kookmin University)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.18, no.2, 2013 , pp. 131-137 More about this Journal
Abstract
In this paper, the phase-shift full-bridge DC/DC converter with fixed-phase operation inverter is proposed. The proposed circuit consists of two full-bridge inverters which are connected in parallel. While one full-bridge inverter operates as the fixed-phase, it regulates the output voltage by adjusting the phase of the other inverter. During the normal operation period, the proposed circuit makes the less amount of conduction loss of the primary switches and secondary synchronous rectifiers, as well as the less amount of the current ripple of the output inductor, than the conventional phase-shift full-bridge DC/DC converter does. Also, it achieves high efficiency by reducing the snubber loss of the secondary synchronous rectifier. To sum up, the present inquiry analyzes the theoretical characteristics of the proposed circuit, and shows the experimental results from a prototype for 450W power supply.
Keywords
fixed phase inverter; phase shift full bridge converter; bus converter; network power; low current ripple; low ringing voltage; PSFB;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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