Analysis of medium-frequency oscillation in the Boost power factor correction converter with average current mode control

被引：7

作者：

Wang Fa-Qiang ^{[1
]}

Zhang Hao ^{[1
]}

Ma Xi-Kui ^{[1
]}

Li Xiu-Ming ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Elect Engn, State Key Lab Elect Insulat & Power Equipment, Xian 710049, Peoples R China

来源：

ACTA PHYSICA SINICA | 2009年 / 58卷 / 10期

基金：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

medium-frequency oscillation; average current mode control; Boost power factor correction converter; small-signal model; FAST-SCALE INSTABILITY; PFC; BIFURCATION;

D O I：

10.7498/aps.58.6838

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

On the assumption that the input voltage can be replaced by its RMS value and the frequencies of the inductor current and the output voltage are much lower than the switching frequency of the converter, the small-signal model of Boost PFC converter is constructed and the medium-frequency oscillation in Boost PFC converter is studied. The underlying mechanism of this nonlinear phenomenon is analyzed and the stability conditions are also given. These obtained results indicate that this type of nonlinear phenomenon is different from the fast- and slow-scale instabilities, and the main characteristic of this type of nonlinear phenomena is that its oscillation frequency lies between the line frequency and the switching frequency. Finally, an experimental circuit is designed, and its experimental results agree very well with the simulation results.

引用

页码：6838 / 6844

页数：7

共 12 条

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