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Frequency Response Improvement in Microgrids: A Fuzzy–based Virtual Synchronous Generator Approach | ||
| International Journal of Industrial Electronics Control and Optimization | ||
| مقاله 5، دوره 3، شماره 2، مرداد 2020، صفحه 147-158 اصل مقاله (1.25 M) | ||
| نوع مقاله: Research Articles | ||
| شناسه دیجیتال (DOI): 10.22111/ieco.2019.29879.1174 | ||
| نویسندگان | ||
| Amin Karimi* 1؛ YousefReza Jafarian1؛ Hassan Bevrani2؛ Rahmatollah Mirzaei3 | ||
| 1electrical, Electrical and computer engineering, university of kurdistan, sanandaj, iran | ||
| 2electrical and computer engineering, university of kurdistan, sanandaj, iran | ||
| 3Department of Electrical Engineering The University of Kurdistan Iran, Kurdistan | ||
| چکیده | ||
| The use of renewable energy sources in microgrids has grown dramatically in recent years. The absence of a rotational mass in these microgrids and their interfaces leads to a lack of inertia and consequently, frequency and voltage instability. To cope with these dilemmas, the virtual synchronous generator (VSG) has been introduced as an effective solution. This paper first focuses on modeling a VSG using basic electrical equations. It, then, proffers a transient fuzzy controller augmented on virtual inertia’s topology. Inspired by the FACTS’ performance, the privileged specifications such as STATCOM fluctuation damping ability for major perturbations at transient times are appended to the VSG scheme by a fuzzy controller. This controller is implemented with a feedback from the system voltage angle and its derivative, as well as in frequency and its derivative. The modified coefficients of both active and reactive powers are outputs of the fuzzy system. Using the proposed fuzzy controller, the transient response of VSG-based microgrids is improved. Simplicity and ability to improve the transient response are the principal specifications of the proposed configuration. Simulation results confirm the improvement of the presented method by the introduced augmented VSG control mechanism. | ||
| کلیدواژهها | ||
| FACTS؛ fuzzy Controller؛ transient performance improvement؛ virtual inertia؛ virtual synchronous generator (VSG) | ||
| مراجع | ||
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