A Single-Stage Power Converter for DC UPS Applications

被引：0
|
作者：
Jiang, Maoh-Chin [1 ]
Shih, Bing-Jyun [1 ]
Perng, Shyh-Shing [1 ]
Liu, Tai-Chun [1 ]
机构：
[1] Natl Ilan Univ, Dept Elect Engn, Yilan, Taiwan
来源：
2014 TENTH INTERNATIONAL CONFERENCE ON INTELLIGENT INFORMATION HIDING AND MULTIMEDIA SIGNAL PROCESSING (IIH-MSP 2014) | 2014年
关键词：
single-stage power converter; dc uninterruptible power supply;
D O I：
10.1109/IIH-MSP.2014.213
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A single-stage power converter for dc uninterruptible power supply (UPS) is proposed in this paper. Basically the proposed converter is an integration result of a power factor correction circuit with a dc-to-dc converter to achieve simple hardware circuit, high efficiency, and low cost for extra UPS function. Under normal operation, a two-switch CUK converter operates as an ac to dc converter with sinusoidal input current and unity power factor. Since both the input boost supply and the output supply can be controlled independently, a fast transient response can be maintained at both the input for active current waveshaping and at the output for good output regulation. When the ac source is outage, the proposed converter functions as a dc-to-dc buck converter, therefore the desired dc output voltage can be provided. Theoretical analysis and some experimental results are also detailed in this paper.
引用
收藏
页码：844 / 847
页数：4
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