Dynamic Economic Dispatch and Transient Control of Distributed Generators in a Microgrid

被引:23
作者
Ahmad, Jameel [1 ,2 ]
Tahir, Muhammad [3 ,4 ]
Mazumder, Sudip K. [5 ]
机构
[1] Univ Management & Technol, Dept Elect Engn, Lahore 54700, Pakistan
[2] Univ Engn & Technol, Dept Elect Engn, Lahore 54890, Pakistan
[3] Univ Engn & Technol, Dept Elect Engn, Lahore 54890, Pakistan
[4] Univ Engn & Technol, Al Khwarizmi Inst Comp Sci, Lahore 54890, Pakistan
[5] Univ Illinois, Dept Elect & Comp Engn, Chicago, IL 60607 USA
来源
IEEE SYSTEMS JOURNAL | 2019年 / 13卷 / 01期
关键词
Distributed generation; dynamic performance; islanded microgrid; multiagent system (MAS); optimized control; MANAGEMENT;
D O I
10.1109/JSYST.2018.2859755
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Microgrids have multiple distributed generators (DGs) with increased penetration of renewable energy sources. Efficient integration of these DGs in a microgrid, whether in grid-connected or islanded mode, poses many challenges, such as optimal power sharing, control of load-side and generator-side transients, and economic dispatch (ED), to name a few. Different control strategies for power sharing and ED fall short in providing good dynamic performance. To address this issue, we propose a novel solution that provides ED with improved dynamic performance. Specifically, the ED problem employs dynamic performance controller based on proportional-integral-derivative control for improved performance by using an augmented Lagrangian-based approach. For the distributed coordinated control of DGs, we utilize a multiagent system architecture. The performance evaluation results show that the proposed solution for ED improves the overall system performance of the microgrid. The system achieves an optimal state, where DGs operate at minimum cost while improving the transient response during load or generator switching.
引用
收藏
页码:802 / 812
页数:11
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