A Decentralized Frequency Regulation Scheme in AC Microgrids
Saeed Peyghami (Aalborg University)
Seyed Fariborz Zarei (Qom University of Technology, Qom)
Mohammad Amin Ghasemi (Bu-Ali Sina University, Hamadan)
Peter Palensky (TU Delft - Intelligent Electrical Power Grids)
Frede Blaabjerg (Aalborg University)
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Abstract
Microgrids (MGs) are becoming active segments of future power systems. Frequency regulation inislanded MGs is of high importance to guarantee stable and reliable operation under different loading conditions. This paper proposes a decentralized frequency regulation of AC MGs, which relies on the local information. Comparing to the conventional approaches, the proposed scheme does not require a communication system for frequency regulation, resulting in higher reliability and lower costs. Simulation results verify the effectiveness of the proposed frequency control strategy.