Distributed active power-voltage regulation strategy for microgrids in islanded AC microgrid cluster

被引：0
|
作者：
Zhang B. [1 ,4 ]
Dou C.-X. [2 ]
Yue D. [2 ,3 ]
Zhang Z.-Q. [2 ]
Zhang T.-F. [3 ]
机构：
[1] Institute of Electrical Engineering, Yanshan University, Qinhuangdao
[2] Institute of Advanced Technology, Nanjing University of Posts and Telecommunications, Nanjing
[3] College of Automation & College of Artificial Intelligence, Nanjing University of Posts and Telecommunications, Nanjing
[4] Department of Electrical Engineering, Yeungnam University, Kyongsan
来源：
Kongzhi Lilun Yu Yingyong/Control Theory and Applications | 2021年 / 38卷 / 07期
基金：
中国国家自然科学基金;
关键词：
AC microgrid cluster; Distributed; Power sharing; Small signal model; Voltage stability;
D O I：
10.7641/CTA.2021.00666
中图分类号：
学科分类号：
摘要：
For the islanded AC microgrid cluster, to maintain the voltage stability of each microgrid and share the active power economically, a distributed active power-voltage control strategy is proposed in this study. Firstly, in view of the target of voltage regulation, the P-U droop controller and the secondary voltage controller are designed, which are applied to adjust the output voltage to the reference value. In addition, the droop controller can be also used to maintain the controlled voltages at the desired value; secondly, in view of the target of active power sharing, the power output criteria of each microgrid is designed. Moreover, based on the marginal cost theory, the power sharing method using current adjustment is also designed to reduce generation cost. Finally, according to the small signal model theory, the influence of above strategies on the stability of energy resource is analyzed. The related simulation verification is carried out based on MATLAB/Simulink software. © 2021, Editorial Department of Control Theory & Applications South China University of Technology. All right reserved.
引用
收藏
页码：897 / 912
页数：15
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