Samuele Gugliotta
Interaction between current harmonics produced by different electric vehicles DC chargers.
Rel. Enrico Pons, Andrea Mazza, Paolo Tosco, Giorgio Benedetto, Marco Zampolli. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Elettrica, 2024
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Abstract
The need to reduce the environmental impact of transportation has driven the rapid spread of Electric Vehicles (EVs), which do not contribute to the emission of pollutants. This has led to the evolution of Electric Vehicle System Equipments (EVSEs), as the need to ensure faster charging speeds and higher performance has become more pronounced. As a result of numerous studies conducted on charging systems, some chargers on the market today allow not only the Grid-to-Vehicle (G2V) configuration of vehicle charging but also the Vehicle-to-Grid (V2G) technology by which the vehicle can be used as a generator, discharging in the grid. With this technology, the vehicle can provide electricity from the battery during off-peak periods, or can act as a load taking power from the grid during peak periods.
This ensures the supply and demand balance of energy, helping to keep the grid frequency close to the nominal values of 50 or 60 Hz, that is an important condition for correct operation of the electrical systems
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