In this thesis was analyzed a model of partial self-sufficiency, based on an existing photovoltaic power plant supplemented with an electric vehicle, which also serves as an energy storage system. For the model design, solar radiation power density data were used, obtained from the ARSO Meteo website, where measurements are available in half-hour intervals. The analysis was carried out on the case of a four-member household over a one-year period. The electric vehicle model was based on a car with a battery capacity of 77 kWh and an average consumption of 14 kWh per 100 km.
The obtained results are presented for a period of one year. An analysis of individual weeks in different seasons was carried out. The analysis of the results showed that the production of electricity from the solar power plant depends on the time of year. The highest amount of electricity was produced in the summer months, while the lowest was in the winter months. The analysis of the battery’s state of charge by weeks showed that in summer the battery is often fully charged, whereas in winter it often reaches its lower limit.
The use of an electric vehicle as an energy storage system enables a higher degree of self-sufficiency. However, in the summer months the solar power plant is not fully utilized. In the winter months, an additional energy source is required, as the system cannot operate without it.
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