Investigation of a grid-connected solar pv system for the electric-vehicle charging station of an office building using pvsol software

Abstract

Electric vehicles are predicted to blossom in Egypt in future years as an emerging technology in both the transportation and power sectors, contributing significantly to the decrease of fossil-fuel usage and CO 2 emissions. As a result, to mitigate overloads of the vehicle energy demand on the nation's electric grid, a solar PV system can be used to provide the electricity needs of an EV charging station. This objective of this paper is to present the design, simulation and economic analysis of a grid-connected solar-power system for an electric-charging station at a workplace in 6 th October city, Egypt using PVSOL simulation tool to supply energy to the charging station and office-building appliances. The ideal orientation of the PV panels for maximum energy was determined using data from the photovoltaic geographical information system and predicted load--profile patterns. The amount of electricity generated the efficiency of the PV power system, financial analysis in terms of investment costs and the return on assets, and the ability to reduce CO 2 emissions are all estimated in this study. This system also evaluates annual energy predictions and is used for electric-vehicle charging, grid feeding, and appliance consumption. Due to the relatively high solar insolation in Egypt; PV production energy was 10,463 kWh per year and the annual yield is 1,786.69 kWh/kWp. Of the power from PV generation, 66% is utilized for charging the electric 176 vehicle and 34% for electrical appliances. After applying the financial analysis for 20 years; the electricity production cost is 0.0032 $/kWh and the payback period for this proposed system is about five years. The annual energy costs after the installation of PV systems proposed system created a financial saving of 21%. The performance ratio of this system inverter is 84% and the monthly average of the electric vehicle SOC over a year doesn't decrease out of 27% plus 5 tons of CO 2 emissions per year were avoided. This research can be used as a recommendation for stakeholders who want to use this energy source for vehicle charging.

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Related Work and Motivation for Electric Vehicle Solar/Wind Charging Stations: A Review

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“…In total, 87% of the power is resold to the grid. In October 6 City, Egypt, Ibrahim [79] considered a tech-economic study of a 5.9 kW grid-connected PV system for an electric charging station at a workplace. The annual PV energy production was determined to be 10,463 kWh, with an annual efficiency of 1786.69 kWh/kW.…”