Cooperative Multiagent Based Distributed Power Sharing Strategy in Low-Voltage Microgrids

Md Shihanur Rahman; Tahsin Orchi; Sajeeb Saha; Md Enamul Haque

doi:10.1109/TIA.2020.2986449

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Cooperative Multiagent Based Distributed Power Sharing Strategy in Low-Voltage Microgrids

Journal article

Peer reviewed

Cooperative Multiagent Based Distributed Power Sharing Strategy in Low-Voltage Microgrids

Md Shihanur Rahman, Tahsin Orchi, Sajeeb Saha and Md Enamul Haque

IEEE Transactions on Industry Applications, Vol.56(4), pp.3285-3296

2020

DOI: https://doi.org/10.1109/TIA.2020.2986449

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Abstract

Communication

distributed control

Decentralized control

microgrid

Microgrids

Switches

Inverters

Batteries

Battery storages

Voltage control

Frequency synchronization

multiagent system

In this article, a cooperative multiagent system (MAS) is presented for proportional power sharing in microgrids through a coupling of distributed control and communication techniques. Due to natural intermittency of wind and solar along with the limited capacity of battery storages, it is essential to manage optimal power sharing to ensure the supply-demand balance as well as minimizing the generation cost to achieve an economical operation of the system. In order to optimally utilize the battery storage capacity, this article emphasizes the proportional power sharing from power electronic inverter interfaced battery storage units. A benchmark low-voltage (LV) microgrid is considered and the MAS framework is developed through the well-known graph theory to enable a communication link among the controllable battery inverters, where each agent is considered to be embedded to the battery inverter control unit. An optimal linear quadratic regulator is designed within a distributed control context to regulate the power injections into the system from the battery inverters. Simulations are justified under practical circumstances of wind and solar intermittency, and communication constraints where the accuracy of power sharing is achieved through consensus algorithm via information exchange among the control agents.

Details

Title: Cooperative Multiagent Based Distributed Power Sharing Strategy in Low-Voltage Microgrids
Authors: Md Shihanur Rahman (Author) - Australian Energy Market Operator, Melbourne, Vic, Australia
Tahsin Orchi (Author) - Deakin University
Sajeeb Saha (Author) - Deakin University
Md Enamul Haque (Author) - Deakin University
Publication details: IEEE Transactions on Industry Applications, Vol.56(4), pp.3285-3296
Publisher: Institute of Electrical and Electronics Engineers
Date published: 2020
DOI: 10.1109/TIA.2020.2986449
ISSN: 1939-9367; 0093-9994
Organisation Unit: University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99532308102621
Output Type: Journal article

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