期刊
ENERGIES
卷 14, 期 21, 页码 -出版社
MDPI
DOI: 10.3390/en14217381
关键词
microgrid; central microgrid controller; rule-based dispatch; state of charge (SOC) management; synchrophasor measurements; smart grids
资金
- Scientific and Technological Research Council of Turkey (TUBITAK) [376649]
- [119E209]
This paper develops a microgrid control system based on the IEEE 2030.7 standard, which achieves real-time monitoring and control of the microgrid through a centralized approach, ensuring proper operation during grid-connected and island modes. The system consists of a centralized server and advanced field units, including control functions, communication, database, and user interface modules.
The necessity for the utilization of microgrids emerges from the integration of distributed energy resources, electric vehicles, and battery storage systems into the conventional grid structure. In order to achieve a proper operation of the microgrid, the presence of a microgrid control system is crucial. The IEEE 2030.7 standard defines the microgrid control system as a key element of the microgrid that regulates every aspect of it at the point-of-interconnection with the distribution system, and autonomously manages operations such as the transitions of operating modes. In this paper, a microgrid control system is developed to achieve real-time monitoring and control through a centralized approach. The controller consists of a centralized server and advanced field units that are also developed during this work. The control functions of the centralized server ensure the proper operation during grid-connected and island modes, using the real-time data received via the advanced field unit. The developed server and the field unit constitute a complete system solution. The server is composed of control function and communication, database, and user interface modules. The microgrid control functions comprise dispatch and transition core-level functions. A rule-based core-level dispatch function guarantees the security of supply to critical loads during the islanded mode. The core-level transition function accomplishes a successful transition between the operation modes. Moreover, a communication framework and a graphical user interface are implemented. The presented system is tested through thecases based on the IEEE 2030.8 standard.
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