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Dimensioning of battery storage as temporary equipment during grid reinforcement caused by electric vehicles

Electric vehicle charging stresses distribution grids significantly. This will lead to grid reinforcement works in several distribution grids. Battery storage is a possibility to bypass times of grid reinforcement due to electric vehicle charging. In this paper, we dimension such a battery storage for a demonstration project using an optimal power flow algorithm and realistic profiles for electric vehicle charging and load consumption. The optimal power flow algorithm determines the necessary rated power and energy of the battery and ensures the compliance with the given grid limits.