Impact Analysis of Electric Vehicle Charging Stations on the Medium Voltage Distribution Network

The distribution system is highly penetrating with the Electric Vehicle charging stations for increasing Electric Vehicle demand for a sustainable future. The impact of this large-scale integration into the distribution network at a medium voltage level has to be analyzed before dealing with the optimization problem of Electric Vehicles. This article elucidates the modeling of Electric Vehicle charging behavior using a measurement dataset whose aggregation integrated into the medium voltage network is analyzed to study their impact on the power network using probabilistic load flow simulation. The medium voltage network selected is the 69 bus test network to which Electric Vehicle aggregation is imposed as PQ load, and the voltage distribution and the voltage unbalance factor for such integration are discussed in the article at three different time windows i.e., morning, midday and evening.