Control strategy based on DC-link capacitor energy feedback and load power feedforward of Boost converter

被引：0
|
作者：
Jiang, Weidong [1 ]
Wu, Zhiqing [1 ]
Hu, Yang [1 ]
She, Yangyang [1 ]
机构：
[1] School of Electrical Engineering and Automation, Hefei University of Technology, Hefei,230009, China
来源：
Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2014年 / 34卷 / 08期
关键词：
Electric current control;
D O I：
10.3969/j.issn.1006-6047.2014.08.018
中图分类号：
学科分类号：
摘要：
The mathematical model of state space average equation is established for Boost converter and its power transfer relationship is deduced, based on which, a dual closed-loop control strategy is put forward and the corresponding controller is designed. The inner closed-loop adopts the hysteresis current control and the outer closed-loop adopts the PI regulator of DC-link capacitor energy storage. To further improve the system rapidity and reduce the influence of load disturbance on system, the load power feedforward is applied and its power evaluation algorithm is given. The static and dynamic performances are compared by experiments between the traditional voltage-current dual closed-loop control strategy and the proposed control strategy, which shows that, the proposed strategy meets the requirements of steady-state control and has better dynamic performance.
引用
收藏
页码：103 / 107
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