Closed-Loop Input and Output Impedances of DC-DC Switching Converters Operating in Voltage and Current Mode Control

被引：0
|
作者：
Ahmadi, Reza [1 ]
Paschedag, Darren [1 ]
Ferdowsi, Mehdi [1 ]
机构：
[1] Missouri Univ Sci & Technol, Rolla, MO 65409 USA
来源：
IECON 2010 - 36TH ANNUAL CONFERENCE ON IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2010年
关键词：
D O I：
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中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This work derives the closed-loop input and output impedances of three major types of DC-DC converters (Buck, Boost, and Buck-Boost) operating in voltage or current mode control. First, it introduces the small-signal converter model employed to derive the input and output impedances. Next, it reviews open-loop impedances for use in simplifying the expressions developed for closed-loop impedances. It then derives the closed-loop impedances by closing the voltage or current loop (depending on control method) in the converter model. Finally, The validity of the impedances thus derived is verified by simulation.
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页数：6
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