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Optimization of number and spatial distribution of solar charge stations for electric buses: Case study, Bus Rapid Transit (BRT) lines

Younes Noorollahi, Rahim Moltames, Suresh Muthusamy, Suma Christal Mary Sundararajan


As an energy-consuming technology, Electric Vehicles (EVs) create a demand for energy that can be met through renewable energy. In addition to the environmental benefits of this shift, electric transportation benefits from high efficiencies and expands the electrical energy storage system for renewable energy. Meanwhile, solar energy, as one of the most important sources of renewable energy that has a very high potential in Iran, can be used to power EVs. The present study provides a new approach to calculate and optimize the number and location of solar charge stations (SCSs) required for EVs in bus lines all over Tehran. This approach aims to minimize the number of charge stations while covering all bus lines and minimizing the energy loss of transmission in an Electric Vehicle Mobile Energy Network (EV-MEN).  Currently, none of the bus lines in Tehran has a charging station. This paper can be a guide in future planning in this area. The results show that if the number of charging stations in Tehran equals six, all bus lines will be covered and energy losses will be minimized.

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