Dynamic performance analysis of outer-loop current sharing control for paralleled DC-DC converters

被引：0

作者：

Sun, J ^{[1
]}

Qiu, Y ^{[1
]}

Lu, B ^{[1
]}

Xu, M ^{[1
]}

Lee, FC ^{[1
]}

Tipton, WC ^{[1
]}

机构：

[1] Virginia Polytech Inst & State Univ, Ctr Power Elect Syst, Blacksburg, VA 24061 USA

来源：

APEC 2005: TWENTIETH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, VOLS 1-3 | 2005年

关键词：

current sharing; paralleling DC/DC power system; dynamic current sharing; voltage regulation;

D O I：

暂无

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：

For paralleling DC/DC converters, this paper investigates the fundamental relationship between the outer-loop current sharing control and the voltage regulation control. By using the concept of output impedance, the inherent function of the current sharing control is clarified and its influences on the voltage regulation of paralleling system are revealed. Although there may exist tradeoffs between dynamic current sharing and voltage regulation, it is possible to have good performances on both aspects, as long as the closed-loop output impedances of individual modules are within a certain tolerance range. After that, a design guideline for the current sharing compensator is proposed. The analyses and designs are verified by the simulation and experimental results.

引用

页码：1346 / 1352

页数：7

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