Transformerless DC-DC Converters With High Step-Up Voltage Gain

被引：590

作者：

Yang, Lung-Sheng ^{[1
]}

Liang, Tsorng-Juu ^{[1
]}

Chen, Jiann-Fuh ^{[1
]}

机构：

[1] Natl Cheng Kung Univ, Dept Elect Engn, Tainan 701, Taiwan

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2009年 / 56卷 / 08期

关键词：

DC-DC boost converter; high step-up voltage gain; power stage; BUCK-BOOST TYPE; HIGH-EFFICIENCY; FLYBACK CONVERTER; MODE; CLAMP;

D O I：

10.1109/TIE.2009.2022512

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Conventional dc-dc boost converters are unable to provide high step-up voltage gains due to the effect of power switches, rectifier diodes, and the equivalent series resistance of inductors and capacitors. This paper proposes transformerless dc-dc converters to achieve high step-up voltage gain without an extremely high duty ratio. In the proposed converters, two inductors with the same level of inductance are charged in parallel during the switch-on period and are discharged in series during the switch-off period. The structures of the proposed converters are very simple. Only one power stage is used. Moreover, the steady-state analyses of voltage gains and boundary operating conditions are discussed in detail. Finally, a prototype circuit is implemented in the laboratory to verify the performance.

引用

页码：3144 / 3152

页数：9

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