A Small Signal Model for Average Current Mode Control Based On Describing Function Approach

被引：0
|
作者：
Yu, Feng [1 ]
Lee, Fred C. [1 ]
Mattavelli, Paolo [1 ]
机构：
[1] Virginia Tech, Bradley Dept Elect & Comp Engn, Ctr Power Elect Syst, Blacksburg, VA 24061 USA
来源：
2011 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2011年
关键词：
Average current mode control; V-2; control; describing function method;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A small signal model for average current mode control based on describing function method is proposed. Modeling of average current mode control is more complicated than peak current mode control due to the additional current compensator. In this paper, two commonly used current compensators are considered as examples. The structure of average current mode control is compared with V-2 control to find the similarity. Previous modeling result about V-2 control is borrowed and modified for average current mode control. The proposed small signal model can be accurate up to switching frequency. The proposed model is verified using Simplis simulation and measurement.
引用
收藏
页码：405 / 412
页数：8
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