Optimal Planning Model for Electric Vehicle Fast Charging Stations in a Low-Polluting Distribution Network to Improve Technical and Economic Parameters

Subject Areas : Power Engineering

Moaiad Mohseni ¹ , Alireza Niknam Kumlah ² , Javad Ebrahimi ³ , Mahyar Abasi ⁴ , Mahmood Joorabian ⁵

1 - Khuzestan Regional Electric Company, Ahvaz, Iran
2 - Department of Electrical Engineering, Amirkabir University of Technology, Tehran, Iran
3 - Department of Education and Training of Isfahan Province, District 4 Management, Isfahan, Iran
4 - Department of Electrical Engineering, Faculty of Engineering, Arak University, Arak, Iran
5 - Department of Electrical Engineering, Faculty of Engineering, Shahid Chamran University of Ahvaz, Ahvaz, Iran

Received: 2024-03-18 Accepted : 2024-04-20 Published : 2025-03-19

Keywords: Optimal planning, Electric vehicle, Fast charging station, Discrete charging, Load profile, Distribution network,

Abstract :

One of the biggest and most important reasons for the removal fossil cars from the global car markets is their pollution, which has caused air pollution. But the use of electric cars does not have these many problems and has led to the increasing popularity of electric cars. In most of the articles, the charging rate is considered continuous, while the charging stations work with a discrete rate and are mostly of single rate type. In this paper, the mathematical model for electric vehicles charging with a discrete rate is stated, in which the benefit of the electric vehicle consumers, the benefit of the charging coordinating unit, and the benefit of the network operator are met equally. Then, the problem of preventing high disconnections and connections that lead to damage to the charging station is expressed in mathematical form and applied to the problem. Finally, the development planning model of the discrete rate charging station in the network is proposed as an innovation and optimized by the mixed integer non-linear programming method. The results show that the electric vehicle's discrete charging rate, while simple, can bring many benefits from the point of view of flattening the load profile, providing the power required by the consumers, and meeting the network security restrictions. But the lack of development of the distribution network will prevent the growth of penetration of electric vehicles in the network. Also, the presence of these stations and their optimal planning will reduce the emission of pollutants in the environment.

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