Distributed control strategy of DC microgrid based on consistency theory

被引：11
|
作者：
Zhang, Nannan [1 ]
Yang, Dongsheng [1 ]
Zhang, Huaguang [1 ]
Luo, Yanhong [1 ]
机构：
[1] Northeastern Univ, Dept Elect Engn, Shenyang 110819, Peoples R China
来源：
ENERGY REPORTS | 2022年 / 8卷
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
DC microgrid; Distributed optimal control; Consensus algorithm; Multi-agent system; VOLTAGE RESTORATION; SECONDARY CONTROL;
D O I：
10.1016/j.egyr.2022.05.189
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：
In order to solve the cooperative control problem among multiple distributed units in a distributed DC microgrid, a distributed control based on a consensus algorithm is firstly proposed, which can realize power distribution among distributed units. The distributed voltage control of the observer will generate steady-state errors due to problems such as time delay initial value of the observer. A voltage optimization control strategy based on the PI consistency algorithm is further proposed, which converts the voltage control problem into an optimization problem, and the optimization goal is to ensure the deviation sum of each bulbar from the rated value is the smallest, and the stability of this method is proved. Finally, the effectiveness of the proposed method is verified by MATLAB/Simulink software. (C) 2022 Published by Elsevier Ltd.
引用
收藏
页码：739 / 750
页数：12
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