Nonisolated High Step-Up Stacked Converter Based on Boost-Integrated Isolated Converter

被引：135
作者：
Park, Ki-Bum [1 ]
Moon, Gun-Woo [1 ]
Youn, Myung-Joong [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, Taejon 305701, South Korea
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2011年 / 26卷 / 02期
关键词：
Boost converter; boost-integrated half bridge (BHB) converter; high step-up converter; isolated converter; zero-voltage switching (ZVS); DC-DC CONVERTER; VOLTAGE-DOUBLER; HIGH-EFFICIENCY; COUPLED INDUCTORS; BRIDGE CONVERTER; REGULATOR; FAMILY; PHASE;
D O I：
10.1109/TPEL.2010.2066578
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
To obtain a high step-up gain with high efficiency in nonisolated applications, a high step-up technique based on isolated-type converters is introduced in this paper. By stacking the secondary side of an isolated converter in addition to its primary side, a high step-up conversion ratio and a distributed voltage stress can be achieved. Moreover, a careful choice of an isolated converter can provide zero-voltage switching, continuous input current, and reduced reverse recovery on diodes. Based on a conventional voltage-doubler-rectifier boost-integrated half-bridge converter, the derived converter satisfies all these features, which make it suitable for high step-up applications. The operational principle and characteristics of the proposed converter are presented, and verified experimentally with a 135-W, 24-V input, 250-V output prototype converter for a LED driver.
引用
收藏
页码：577 / 587
页数：11
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