A Novel Controller Design for Small-Scale Islanded Microgrid Integrated with Electric Vehicle-Based Energy Storage Management

Small-scale islanded microgrid technology has the potential to utilize renewable sources for electrification in extreme areas where conventional transmission of power is difficult. But due to the absence of a utility grid in the islanded operation, voltage and frequency control becomes the major con...

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Bibliographic Details
Published in:International transactions on electrical energy systems 2022-04, Vol.2022, p.1-19
Main Authors: Omar, Nihal, Kumar Tiwari, Anil, Seethalekshmi, K., Anand Shrivastava, Nitin
Format: Article
Language:English
Subjects:
Alternative energy sources
Control algorithms
Control systems design
Controllers
Design
Distributed generation
Dynamic structural analysis
Electric potential
Electric vehicles
Energy storage
Frequency control
Load fluctuation
Power flow
Power plants
Renewable energy
Small scale technology
Voltage
Wind power
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Summary:Small-scale islanded microgrid technology has the potential to utilize renewable sources for electrification in extreme areas where conventional transmission of power is difficult. But due to the absence of a utility grid in the islanded operation, voltage and frequency control becomes the major concern. Instead of using a centralized large battery storage system, electric vehicle- (EV-) based distributed energy storage may provide a dynamic and much cheaper energy storage solution for small-scale systems in the long run. The only issue is to effectively manage the dynamics of EV penetration for achieving the overall control in the islanded system. To address the same issue, this paper proposes a novel segregation-based inverter control structure for an islanded microgrid while employing EVs as an energy storage system, thus eliminating the need for centralized storage. The designed integrated control structure simultaneously attends to the voltage and frequency regulation need of the system, overcoming the issue of control lag, along with energy storage and management aspects in the microgrid operation for controlling the power flow under various practical scenarios. Extensive experimental studies are performed in MATLAB/SIMULINK environment, which indicates that the proposed integrated control structure gives a satisfactory performance under various scenarios encompassing load variation, renewable energy uncertainties, and EV dynamics in comparison with conventional control schemes employed in the islanded microgrid.
ISSN:2050-7038
2050-7038
DOI:10.1155/2022/5059215