A Distributed Control Architecture for Cascaded H-Bridge Converter

被引：0
|
作者：
Xu, Bei [1 ]
Tu, Hao [2 ]
Du, Yuhua [2 ]
Yu, Hui [2 ]
Liang, Hui [1 ]
Lukic, Srdjan [2 ]
机构：
[1] Beijing Jiaotong Univ, Natl Act Distribut Network Technol Res Ctr NANTEC, Beijing, Peoples R China
[2] North Carolina State Univ, FREEDM Syst Ctr, Raleigh, NC 27695 USA
来源：
THIRTY-FOURTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2019) | 2019年
关键词：
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Cascaded H-bridge topology has been used in grid tied converter for battery energy storage system due to its modular structure. To fully utilize the converter's modularity, we propose a hierarchical distributed control architecture that consists of primary control and secondary control. Primary control ensures correct current tracking, but may lead to unequal power output among modules. A distributed secondary control based on consensus algorithm is presented to establish equal power sharing among modules. Further, a carrier phase shift control is implemented to achieve multilevel output voltage and harmonic reduction. Finally, the effectiveness of the presented control strategy is verified through experiments.
引用
收藏
页码：3032 / 3038
页数：7
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