Abstract

As the number of electric vehicles (EVs) are increasing day by day, the need for setting up of EV charging stations is increasing. So, it is important to check their impact on power system. This work gives the impact of EVs on the performance of power systems based on technical aspects at National Institute of Technology (NIT), Srinagar, Jammu and Kashmir, India. In this work, the power system is integrated with renewable energy sources to carry out the studies. The solar global horizontal irradiance data and wind data for the location of NIT Srinagar are obtained from National Renewable Energy Laboratory database USA. The load data is obtained for NIT Srinagar campus for the year 2021. Based on the data, three cases are considered for scholarly acceptability of this work. In first case, the power system of NIT Srinagar is integrated with solar and wind power plant. In second case, EVs are connected along with solar and wind power plant to power system in which the EVs are treated as storage devices only. In case three, EVs operate in vehicle-to-grid (V2G) operation mode. System is controlled using an industrially applied PID controller. The gains of PID controller are optimized using differential evolution technique. The system is simulated for minimization of steady-state error, overshoots, undershoots, and settling time. The work is simulated in MATLAB/Simulink environment.

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