A new soft-switched PFC boost rectifier with integrated flyback converter for stand-by power

被引：38

作者：

Jang, Y ^{[1
]}

Dillman, DL ^{[1
]}

Jovanovic, MM ^{[1
]}

机构：

[1] DELTA Prod Corp, Power Elect Lab, Res Triangle Pk, NC 27709 USA

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2006年 / 21卷 / 01期

关键词：

boost converter; constant-frequency; flyback converter; magnetic integration; power-factor-corrected (PFC); stand-by power; zero-voltage switching (ZVS);

D O I：

10.1109/TPEL.2005.861123

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 presents a magnetic integration approach that reduces the number of magnetic components in a power supply by integrating magnetic components in two conversion stages. Specifically, in the proposed approach, a single transformer is used to implement the continuous-conduction-mode boost power-factor-corrected (PFC) converter and the dc/dc flyback converter. The integrated boost and flyback converters offer soft switching of all semiconductor switches including a controlled di/dt turn-off rate of the boost rectifier. The performance of the proposed approach was evaluated on a 150-kHz, 450-W, universal-line range boost PFC converter with 12-V/2.2-A integrated stand-by flyback converter.

引用

页码：66 / 72

页数：7

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