Analysis of power factor correction isolated SEPIC rectifiers using inductor detection technique

被引：0
|
作者：
Tanitteerapan, T [1 ]
机构：
[1] King Mongkuts Univ Technol Thonburi, Dept Elect Technol Educ, Power Elect & Circuit Syst Lab, Bangkok 10140, Thailand
来源：
2004 47TH MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL II, CONFERENCE PROCEEDINGS | 2004年
关键词：
D O I：
暂无
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：
This paper, an analysis of the CCM operated input current waveshaping technique using inductor voltage sensing for power factor correction (PFC) rectifier based on isolated SEPIC converters is introduced. The voltage conversion ratio of the SEPIC converter is used to derive the operation of control circuit. The duty ratio is obtained by comparing an integral signal of the rectified inductor voltage and a negative ramp carrier waveform. The circuit parameters are designed based on operations of SEPIC converter between DCM and CCM. The small signal modeling is determined and used to design output voltage regulator circuit. The proposed analysis is verified by the circuit experimentation of 100 W SEPIC rectifier.
引用
收藏
页码：321 / 324
页数：4
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