Distributed Hierarchical Control for Islanded Microgrids Based on Adjustable Power Consensus

被引:6
|
作者
Wan, Xiaofeng [1 ]
Wu, Jingwan [1 ]
机构
[1] Nanchang Univ, Sch Informat Engn, Nanchang 330031, Jiangxi, Peoples R China
基金
中国国家自然科学基金;
关键词
microgrid; hierarchical control; consensus algorithm; power allocation; CONTROL STRATEGIES; ARCHITECTURES; MANAGEMENT; AC;
D O I
10.3390/electronics11030324
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
For the problem of power allocation in microgrid hierarchical control, a distributed hierarchical control strategy based on consensus algorithm is proposed. When the load suddenly increases, due to the different adjustable power of different distributed generators (DGs), overcharging and discharging of DGs will result if the increased load is not redistributed. The distributed hierarchical control strategy proposed in this paper defines the proportion between the local increased load and the local adjustable power as the response ratio. With the objective of ensuring that the frequency and voltage of the microgrid can be restored to their rated value, the response ratios of DGs are adjusted by applying the consensus algorithm. Further, the microgrid realizes the reasonable operation of the microgrid by dynamically distributing the increased load in real time. Finally, the feasibility and effectiveness of the proposed strategy is verified by analyzing the stability of the system and building a microgrid simulation model in the Matlab/Simulink simulation platform.
引用
收藏
页数:15
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