An Enhanced Distributed State Feedback for Secondary Control in an Islanded Microgrid

Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_IECO-5-2_002

تاریخ نمایه سازی: 20 تیر 1401

Abstract:

This paper applies a new state feedback control to a distributed secondary voltage and frequency control in an islanded microgrid. The problem is focused on the output consensus of the multi-agent systems, which is converted to a first-order dynamic system. The inverter-based distributed generations play as agents in the proposed control strategy. It is assumed that the distributed generators communicate through a communication network modeled by a directed graph (digraph). The distributed output consensus is used to design the secondary controllers. Such innovative controllers synchronize distributed generators' output voltages and frequencies to their reference values by a novel state feedback approach. Compared to the existing consensus protocols, the proposed method provides a different innovative solution to the secondary voltage and frequency control of microgrids, which has a better response in case of communication failures. Finally, extensive and comparative simulations have been presented to verify the validity of the proposed control strategy and the system performance.

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Authors

Morteza Alizadeh

Department of Electrical Engineering, Amirkabir University of Technology, Tehran, Iran

Hossein Askarian Abyaneh

Department of Electrical Engineering, Amirkabir University of Technology, Tehran, Iran

Alireza Bakhshai

Department of Electrical and Computer Engineering,Queen’s University, Kingston, Ontario, Canada

Naser Khodabakhshi Javinani

Electrical Engineering Department, Yadegar-e-Imam Khomeini (RAH) Shahre-rey Branch Islamic Azad University, Tehran, Iran