Centralized Microgrid Control System in Compliance with IEEE 2030.7 Standard Based on an Advanced Field Unit

Soheil Pouraltafi-kheljan, Mesut Ugur, Efecan Bozulu, Bahadir Can Çalişkan, Ozan Keysan and Murat Gol
Additional contact information
Soheil Pouraltafi-kheljan: Electric-Electronic Engineering Department, Middle East Technical University, Çankaya, Ankara 06800, Turkey
Mesut Ugur: Earsis Technologies Ltd., METU Technopolis, Çankaya, Ankara 06800, Turkey
Efecan Bozulu: Earsis Technologies Ltd., METU Technopolis, Çankaya, Ankara 06800, Turkey
Bahadir Can Çalişkan: Research and Development Department, Başkent EDAŞ Electricity Distribution Inc., Ankara 06460, Turkey
Ozan Keysan: Electric-Electronic Engineering Department, Middle East Technical University, Çankaya, Ankara 06800, Turkey
Murat Gol: Electric-Electronic Engineering Department, Middle East Technical University, Çankaya, Ankara 06800, Turkey

Energies, 2021, vol. 14, issue 21, 1-31

Abstract: 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.

Keywords: microgrid; central microgrid controller; rule-based dispatch; state of charge (SOC) management; synchrophasor measurements; smart grids (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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