Analysis of coupling nonlinear dynamical behaviors between two stages in a cascade power-factor-correction converter

被引：2
|
作者：
Zou Jian-Long [1 ]
Ma Xi-Kui [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 | 2010年 / 59卷 / 06期
基金：
中国国家自然科学基金;
关键词：
cascade; power-factor-correction; coupling; nonlinear; BIFURCATION BEHAVIOR; CHAOS CONTROL; STABILITY;
D O I：
10.7498/aps.59.3794
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A cascade power-factor-correction (PFC) converter is a nonlinear system cascaded by a PFC converter and a direct current-direct current ( DC-DC) converter. According to the nonlinear model of the cascade PFC converter derived, we simulate the interstage coupling nonlinear dynamical behaviors of the system, and the simulation results are verified experimentally. The results shows that with the decrease of the PFC output capacitance the bifurcation may appear, which results in the change of the DC-DC output voltage. Likewise, the dynamical behavior of the PFC stage may change with DC-DC load resistance. When the duty ratio of the DC-DC stage becomes saturated, the coupling process between the PFC stage and the DC-DC stage is very complicated
引用
收藏
页码：3794 / 3801
页数：8
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