微电网
控制器(灌溉)
控制理论(社会学)
MATLAB语言
计算机科学
分布式发电
电压
控制工程
功率(物理)
控制(管理)
工程类
电气工程
操作系统
物理
人工智能
生物
量子力学
农学
作者
Shuangye Mo,Wu‐Hua Chen,Xiaomei Lu
标识
DOI:10.1109/ccdc52312.2021.9602249
摘要
In order to solve the problem of current sharing cooperative control among distributed DC microgrid groups, firstly, the distributed generation units in DC microgrid are regarded as heterogeneous multi-agent, and the physical model of DC microgrid system is established. Secondly, according to the hierarchical control design principle of power system, a hybrid secondary control strategy based on discrete-time pulse cooperative control is proposed to design DC microgrid The reference output voltage of each distributed generation unit is designed by pulse control method in the secondary controller, and the voltage tracking controller of power converter is designed by double PI voltage and current control method in the primary controller. Thirdly, based on the stability theory of hybrid system, the sufficient conditions of time and current sharing cooperative control of DC microgrid are obtained Finally, the effectiveness of the algorithm in DC microgrid is verified by Matlab / Simulink.
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