带耦合电感开关DC-DC变换器的建模与分析

Jianping Xu
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引用次数: 25

摘要

采用一种新的时间平均等效电路(TAEC)分析方法,研究了具有连续输入输出电流的耦合电感降压开关DC-DC变换器。通过使用TAEC,可以以更简单的方式分析这种转换器,因为TAEC模型的参数可以很容易地通过新方法确定。得到了该变换器直流稳态和交流小信号等效电路模型的解析表达式。然后可以进行直流和交流小信号分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Modeling and analysis of switching DC-DC converter with coupled-inductor
A coupled-inductor step-down switching DC-DC converter with continuous input and output current is investigated by use of a new time averaging equivalent circuit (TAEC) analysis method. By using the TAEC, one can analyze such a converter in a more simple way as the parameters of the TAEC model can easily be determined by the new approach. As a result, the analytical expression for the DC steady state and AC small signal equivalent circuit model of the converter are obtained. DC and AC small signal analysis can then be performed.<>
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