Parallel operation of half-bridge converters with current-doubler rectifier using feedback linearization control

被引：0

作者：

Guerrero, JM ^{[1
]}

de Vicuña, LG ^{[1
]}

Matas, J ^{[1
]}

Cruz, J ^{[1
]}

Miret, J ^{[1
]}

机构：

[1] Dept Engn Sistemas Automat & Informat Ind, Barcelona 08036, Spain

来源：

PROCEEDINGS OF THE IEEE-ISIE 2004, VOLS 1 AND 2 | 2004年

关键词：

current-doubler rectifier; current sharing; half bridge converter; nonlinear control; parallel connection;

D O I：

暂无

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 paper presents a nonlinear controller applied to a parallel connected system of Half-Bridge with Current-Doubler Rectifier (HB-CDR) converters. The proposed control scheme is able to decouple the output-voltage dynamics from the input-stage variables, endowing high robustness of the output voltage against external disturbances. In addition, the inner average-current loop of the controller achieves good load sharing among modules in spite their parametric variations. The controller design is developed in three steps. First, the large-signal model of the parallel-connected HB-CDR system is obtained. Second, the controller expression is conceived through input-output linearization theory taking into account two control objectives: the regulation of the output-voltage and the equal current distribution among modules. And third, the control parameters are determined to obtain a proper dynamics, while ensuring the stability of the whole system.

引用

页码：1159 / 1164

页数：6

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