Analysis and Control of a three-level power energy storage system with dual active bridge DC-DC converter

被引：0
|
作者：
Zhao, Zhihong [1 ]
Zhao, Jianfeng [1 ]
机构：
[1] Southeast Univ, Nanjing, Jiangsu, Peoples R China
来源：
2015 9TH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND ECCE ASIA (ICPE-ECCE ASIA) | 2015年
关键词：
Dual active bridge; energy storage system; three-level converter; voltage balancing; STRATEGY;
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：
The energy storage system plays an important role in the distributed network, and the three-level converter has a smaller du/dt of output voltage compared with the two-level converter. This paper focus on the modeling and voltage balance control of a three-level energy storage system with dual active bridge dc-dc converter. The small signal model of the dual active bridge is proposed, which enables the output voltage and current to be controlled simultaneously. Besides, an improved voltage balancing technique for a three-level converter is presented, which makes a good tradeoff between the dc-link capacitor ripple voltage attenuation and the power device switching action reduction. Finally the system is tested by MATLAB/SIMULINK, and the experimental results are presented.
引用
收藏
页码：1638 / 1643
页数：6
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