Current Ripple Recovery Modeling Technique for Voltage-Mode Control Converters

被引：5
|
作者：
Zhang, Hao [1 ]
Yi, Chuanzhi [1 ]
Luo, Pengcheng [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect Engn, State Key Lab Elect Insulat & Power Equipment, Xian 710049, Shaanxi, Peoples R China
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2018年 / 65卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Current ripple recovery modeling; voltage-mode control converters; duty cycle sample-hold effect; stability; subharmonic; CONTINUOUS CONDUCTION MODE; DC-DC-CONVERTERS; SUBHARMONIC OSCILLATION;
D O I：
10.1109/TCSII.2017.2704580
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this brief, a current ripple recovery (CRR) model is proposed for voltage-mode control converters. By adding a duty cycle sample-hold effect, the inductor current ripple can be recovered so that the high-frequency dynamical information in the inductor current compensates for a conventional averaged model. The CRR model can be used to judge the system stability and, more importantly, identify the subharmonic oscillation. These theoretical results are in good agreement with experimental ones, which demonstrates the validity of the CRR model.
引用
收藏
页码：211 / 215
页数：5
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