Modeling of a SEPIC Converter Operating in Discontinuous Conduction Mode

被引：0
|
作者：
Eng, Vuthchhay [1 ]
Bunlaksananusorn, Chanin [1 ]
机构：
[1] KMITL, Fac Engn, Bangkok 10520, Thailand
来源：
ECTI-CON: 2009 6TH INTERNATIONAL CONFERENCE ON ELECTRICAL ENGINEERING/ELECTRONICS, COMPUTER, TELECOMMUNICATIONS AND INFORMATION TECHNOLOGY, VOLS 1 AND 2 | 2009年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A SEPIC (Single-Ended Primary Inductor Converter) DC-DC converter is capable of operating in either step-up or step-down mode and widely used in battery-operated equipment. There are two possible modes of operation in the SEPIC converter: Continuous Conduction Mode (CCM) and Discontinuous Conduction Mode (DCM). This paper presents modeling of a SEPIC converter operating in DCM using the State-Space Averaging (SSA) technique. The modeling leads to a small-signal linear model of the converter, from which the transfer functions used for feedback control design can be determined. It is found that the derived model is a reduced-order model, which can accurately predict the converter's characteristics up to one-tenth of the switching frequency.
引用
收藏
页码：135 / 138
页数：4
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