Filter-based perturbation control of low-frequency oscillation in voltage-mode H-bridge DC-AC inverter

被引：11
|
作者：
Lu, Weiguo [1 ]
Zhao, Naikuan [1 ]
Wu, Junke [1 ]
El Aroudi, Abdelali [2 ]
Zhou, Luowei [1 ]
机构：
[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 40044, Peoples R China
[2] Univ Rovira & Virgili, Dept Engn Elect Elect & Automat, E-43007 Tarragona, Spain
来源：
INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS | 2015年 / 43卷 / 07期
基金：
中国国家自然科学基金;
关键词：
H-bridge inverter; low-frequency oscillation; filter-based perturbation control; voltage mode; TIME-DELAYED FEEDBACK; SLOW-SCALE; CONVERTER; CHAOS; INSTABILITIES; PREDICTION; DESIGN;
D O I：
10.1002/cta.1977
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：
This paper presents a new additional perturbation control method for suppressing low-frequency oscillation in voltage-mode H-bridge DC-AC inverter. The stability boundary of the H-bridge inverter is investigated from its small-signal averaged model. High input voltage and light load would cause low-frequency oscillation in this system. To this end, a filter-based perturbation control (FBPC) is proposed for eliminating this oscillation, by using an analog filter to extract the unexpected signal and applying it to the control loop. Theoretical results show a larger stability range of the controlled system with the proposed FBPC. The simulation and experiment results show that the proposed controller can control the low-frequency oscillation in H-bridge DC-AC inverter well. Copyright (c) 2014 John Wiley & Sons, Ltd.
引用
收藏
页码：866 / 874
页数：9
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