Modeling and Analysis of the Impact of Charging Electric Charged Vehicles on the Grid Load in the Expressways

With the development of the energy grid, the number of electric charging cars will gradually increase on the highway. Highways must not only provide enough natural gas and fuel for vehicles, but also have enough electricity to provide a large number of electric charging cars in the future. When electric charging cars on the highway become the main body of the vehicles, the grid load problem caused by the charging of electric charging cars on the highway will be a problem that must be faced and resolved. The present study is aimed to analyze and model the power load on the highways, combined with electric vehicles penetration scenarios, in order to produce geospatial information for potential energy demand with charging stations in the highway. According to the fluid theory, the efficient and timely prediction of the grid load generated by the charging of electric charging vehicles has been proposed. It will not only help the construction of the grid along the highway, but also contribute to the stability, speed and smoothness of highway traffic. This paper selects Shenda Expressway in China as a realistic research object, and analyzes and models the power load demand of charging stations from 3 aspects: peak-to-valley difference, load balancing and voltage excursion.