Multi-mode Power Coordination Control Strategy for AC/DC Hybrid Microgrid

被引：0
|
作者：
Yang X. [1 ,2 ]
Li Y. [1 ,2 ]
Du Y. [1 ,2 ]
Shi Y. [1 ,2 ]
机构：
[1] School of Electrical and Automation Engineering, Hefei University of Technology, Hefei
[2] Engineering Research Center of Photovoltaic System Ministry of Education, Hefei
来源：
Gaodianya Jishu/High Voltage Engineering | 2021年 / 47卷 / 04期
基金：
中国国家自然科学基金;
关键词：
AC/DC hybrid microgrid; Coordinated control; Interlinking converter; Mode division; State of charge;
D O I：
10.13336/j.1003-6520.hve.20200965
中图分类号：
学科分类号：
摘要：
In order to solve the problem of mutually-supplied capacity variation between sub-microgrids and the reliability of power supply affected by the state of charge(SOC) of energy storage units in AC/DC hybrid microgrid, a multi-mode coordinated power control strategy is proposed considering both of the operation states and the SOC of sub-microgrids. The operation mode is divided into 4 states, namely, surplus mutual operation, defective mutual operation, independent operation, and power sharing operation, according to the proposed strategy. The principles of power transfer and the calculation of power references are researched in detail for four kinds of different operation states. Therefore, both the power balance of system and the relatively equilibrium of SOC in sub-microgrids are realized to improve the reliability of power supply and utilization efficiency of energy storage units in AC/DC hybrid microgrid. Finally, a simulation model is established by Matlab/Simulink to verify the effectiveness of proposed control strategy. © 2021, High Voltage Engineering Editorial Department of CEPRI. All right reserved.
引用
收藏
页码：1262 / 1273
页数：11
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