Dynamic analysis of PWM switching DC-DC converters

被引：0
|
作者：
Liu Jian [1 ]
Wang Yuanbin [1 ]
机构：
[1] Xian Univ Sci & Technol, Sch Elect & Control Engn, Xian, Peoples R China
来源：
IPEMC 2006: CES/IEEE 5TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE, VOLS 1-3, CONFERENCE PROCEEDINGS | 2006年
关键词：
switching converters; Pulse Width Modulation (PWM); dynamic analysis; stability; low frequency ripple voltage;
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：
The dynamic behavior of DC-DC converters is analyzed on the basis of a state-space averaged model including the feed back loop. The low frequency ripple behavior of DC-DC converters is analyzed in s filed. A buck DC-DC converter is used as an example. The condition causing oscillation and impulse during starting period and in case of input perturbation is obtained. The output to input voltage transfer function in the feedback loop is deduced. The stability requirement is obtained based on Hurwitz Stability Criterion. The frequency and amplitude of the low frequency ripple voltage are determined by using zero-pole analysis method. The proposed approach is verified by simulation and experiment results.
引用
收藏
页码：272 / +
页数：2
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