Study on dynamic accurate modelling and Nonlinear phenomena of a push-pull soft switched converter

被引：0
|
作者：
Dai, Xin [1 ]
Huang, Xiyue [1 ]
机构：
[1] Chongqing Univ, Automat Coll, Chongqing 400044, Saping Ba Distr, Peoples R China
来源：
ICIEA 2006: 1ST IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS, VOLS 1-3, PROCEEDINGS | 2006年
关键词：
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：
In soft switched converters, the autonomous characteristic and complex boundary conditions bring forth complex dynamic behaviours different from those in hard switched converters characterized by fixed switched period. These characteristics also make present accurate modelling methods such as stroboscopic mapping modelling designed for fixed switching can't apply to soft switched systems. This paper proposes anumeric accurate modelling method for soft switched circuits according to those special characteristics. The application for a push pull soft switched converter exemplifies this accurate modelling method. In simulation, a frequency jump phenomena is observed. With the aid of impedance analysis, this paper discovers that the nonlinear phenomena root in the occurrence of multi zero phase angle frequencies with load parameter variation. At last, experiment observations verify these phenomena and this modelling method.
引用
收藏
页码：918 / 921
页数：4
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