A Distributed Control Architecture for Autonomous Operation of a Hybrid AC/DC Microgrid System | ||
| AUT Journal of Electrical Engineering | ||
| مقاله 3، دوره 50، شماره 1، شهریور 2018، صفحه 25-32 اصل مقاله (508.55 K) | ||
| نوع مقاله: Research Article | ||
| شناسه دیجیتال (DOI): 10.22060/eej.2017.12312.5062 | ||
| نویسندگان | ||
| R. Rahmani1؛ A. Fakharian* 2 | ||
| 1Qazvin Science and Research, Islamic Azad University, Qazvin, Iran | ||
| 2Faculty of Electrical, Biomedical and Mechatronics Engineering, Qazvin Branch, Islamic Azad University, Qazvin, Iran | ||
| چکیده | ||
| Hybrid AC/DC microgrids facilitate the procedure of DC power connection into the conventional AC power system by developing the distributed generations (DGs) technologies. The conversion processes between AC and DC electrical powers are more convenient by hybrid systems. In this paper, an energy management system (EMS) for a hybrid microgrid network is proposed due to the optimal utilization of renewable energy resources. EMS is designed based on two separate control parts, including proportional resonance (PR) and proportional integral (PI) controllers for managing the performance of two distribution generator (DG) and photo-voltaic (PV) sources. The novelty of implemented control scheme is the accurate prediction and recognition of load demand range with considering the DC bus voltage for coordinating the local sources. The advantage of this method is the proper control of both stable and transient states in power-sharing moments. The simulation results verify that the system outputs satisfy the load and power network requirements. | ||
| کلیدواژهها | ||
| Hybrid microgrid management system (HMMS)؛ PI controller؛ PR controller؛ PV unit؛ stability | ||
| مراجع | ||
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