Grid capacity planning model for electric vehicle high charging penetration in power distribution networks

Abstract

To optimize the grid fluctuation and safety issues caused by high penetration charging of electric vehicles, a novel distribution network capacity planning model is proposed. This model fused traffic-coupled model and dual-layer control strategy for charging scheduling, optimizing the power balance during peak electricity usage and charging station energy storage issues. Then, a stable and efficient distribution network power supply system is established. Experimental results demonstrate that our model achieves a comprehensive energy efficiency of 84.19%, with peak power loads controlled below 300 kW, surpassing similar algorithms. Moreover, it provides a scientifically grounded numerical range for practical planning.