The Control Strategy of Grid-connected Converters in Microgrids with Unbalanced Load

被引：0
|
作者：
Li, Mingjuan [1 ]
Lin, Fei [1 ]
Hao, Ruixiang [1 ]
You, Xiaojie [1 ]
Zheng, Trillion Q. [1 ]
机构：
[1] Beijing Jiaotong Univ, Sch Elect Engn, Beijing, Peoples R China
来源：
ICIEA: 2009 4TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS, VOLS 1-6 | 2009年
关键词：
mirogrids; converters; multi-loop controller; unbalanced condition;
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：
A multi-loop controller for gird-connected voltage source converters with LCL filter is proposed in this paper. The controller consists of three segments - inner predictive current controller, outer voltage vector controller, and the command voltage modifier. The whole controller is applied to converters based DRs in microgrids, and regulate the load terminal voltage with zero steady-state error even under unbalanced conditions. Selected results from simulation studies conducted on the performance of the controller under balanced and unbalanced conditions both in island and grid-connected mode are presented.
引用
收藏
页码：192 / 196
页数：5
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