Ανάπτυξη υπολογιστικού εργαλείου για την εφαρμογή εγκατάστασης φωτοβολταϊκών συστημάτων
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Given the rapidly increasing rate of consumption of conventional energy sources (oil, gasoline and coal) and the inevitably upcoming saturation of existing energy resources, the need for the use of alternative energies is becoming increasingly urgent. On the one hand, the conventional forms of energy require non-renewable sources which will sooner or later be used up. They also harm the environment and contribute negatively to the greenhouse effect. On the other hand, alternative sources of renewable energy through the cycle of nature, are practically inexhaustible, and contribute to environmental protection. This work unfolds ways and ideas of drawing energy from the "energy sea" that surrounds us. The wind energy, the hydro energy, the hydrogen energy, biomass and biogas energy, the geothermal energy, gas energy and solar energy are just some of the technologies which can be used in order to generate power. Greater emphasis is given on solar energy and more specifically on photovoltaic systems; the different categories of photovoltaic systems, the factors and basic elements of the photovoltaic lining, the function, structure and their technical characteristics. In addition, the most basic rules of the existing legislation on photovoltaic are part of this report. All things considered, this particular project constitutes both an environmental and economic study in order to construct a computational tool. In this program, a sequence of questions is displayed. In the first part, with the help of numerical data, the user will be able to enter the parameters of a photovoltaic system like the photovoltaic panels’ geographical location, the number of Watts, the type of base support the panels will have (fixed or rotating) and the technology of the photovoltaic systems. The use of these data will result in the determination of the installed capacity, its annual functional performance and the investment’s total cost. In the second part, the user will be able to set a financial budget by entering the loan’s amount, interest rate and the desired payback of the loan. At the same time, it will be feasible to determine the monthly instalment and the loan’s annual revenue. Finally, the program considers one main factor; the place of installation. It makes a difference whether the facility is on a building or an outdoor area since the rate of kWh differs. The ultimate goal of this computational tool is to make known to the investor in advance whether the business initiative is viable.