Abstract:
Batteries that are used in electric vehicles (EVs) have the potential to be exploited as energy storage devices in microgrid arrangements.
Through the process of storing energy when there is an excess (also known as Grid-To-Vehicle, or G2V) and supplying energy back to the grid (also known as Vehicle-To-Grid, or V2G) when there is a demand for it, they can be of assistance in the management of energy in microgrids.
In order for this concept to become a reality, it is necessary to establish the appropriate infrastructure including control systems. This study presents an architecture for the implementation of a vehicle-to-grid-to-vehicle (V2G-G2V) system in a microgrid by utilizing level-3 fast charging of electric vehicles. For the purpose of connecting electric vehicles, a microgrid test system that includes a dc rapid charging station has been modeled.
For the purpose of demonstrating power transfer from V2G to G2V, simulation studies are carried out. According to the findings of the tests, electric vehicle batteries are able to actively regulate power in the microgrid by utilizing G2V-V2G modes of operation.
The design of the charging station guarantees that there is minimum harmonic distortion of the grid-injected current, and the controller provides good dynamic performance in terms of the stability of the dc bus voltage.
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