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Ekonomska upravičenost postavitve fotonapetostnih elektrarn
POŽES, LEA (Author), Pantoš, Miloš (Mentor) More about this mentor... This link opens in a new window

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Abstract
Postavitev lastne elektrarne postaja v Sloveniji vse bolj popularna tako z ekološkega vidika, energetske učinkovitosti, kot tudi prihrankov. Projektiramo jo tako, da najprej poskrbimo za napajanje porabnikov v svoji zgradbi. Kljub temu so sončni paneli in sama inštalacija stroškovno še vedno na visoki ravni. V magistrskem delu je obravnavana ekonomska upravičenost mikro sončne elektrarne, postavljene na stanovanjski hiši sredi Ljubljane. Predstavili smo tri primere ekonomske upravičenosti postavitve sončne elektrarne. Prvi primer temelji na pomoči z obratovalno podporo, ki nudi odkup viška proizvedene električne energije in za nas v tem izračunu predstavlja prihodek. V drugem primeru smo izračunali kazalce ekonomske upravičenosti sončne elektrarne, vključene v sistem neto merjenja. Sončna elektrarna je zeleni vir energije in zagotavlja redno proizvodnjo na kraju samem. Neto meritev deluje na osnovi dvosmernega števca energije. Obračunsko obdobje pri taki elektrarni zajema celo leto. Največja prednost elektrarne je samooskrba, saj viške električne energije lastnik lahko odda v omrežje in jih od tam tudi odvzame, ko sama ne proizvaja energije. V tretjem primeru prihranimo pri plačevanju položnic električne energije. Sončna elektrarna temelji na otočnem delovanju in ima postavljen hranilnik električne energije. Hranilnik predstavlja zelo velik strošek pri postavitvi take elektrarne, vendar z leti tehnologija, materiali in delovanje samih naprav napredujejo in to se opaža tudi na vse nižjih cenah. Pri vseh treh primerih smo kot stroške upoštevali amortizacijo opreme in njeno vzdrževanje.

Language:Slovenian
Keywords:sončna elektrarna, ekonomska upravičenost, razsmernik, hranilnik električne energije
Work type:Master's thesis/paper (mb22)
Organization:FE - Faculty of Electrical Engineering
Year:2018
Views:756
Downloads:742
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Secondary language

Language:English
Title:Feasibility Study of Photovoltaic Power Plants
Abstract:
Setting up a power plant for personal consumption is becoming increasingly popular in the Slovenian area, be it in terms of environmental friendliness, energy efficiency, or savings. The power plant is primarily designed as a power supply for energy-using individuals residing in the building. Nevertheless, the financial cost of solar panels and installation is still very high. The master’s thesis discusses the economic justification for a micro solar power plant positioned on a single-family house in the center of Ljubljana. Three examples are presented in regard to the economic justification for the installation of a solar power plant. The first is based on the operational cost support that enables the redemption of surplus electricity and is thus recognized in this calculation as income. In the second example the indicators of the economic justification for the solar plant included in the net metering system are calculated. The solar power plant is considered a green source of energy, which provides on-the-spot electricity production. Net measurements are determined on the basis of a two-way energy numerator. In the case of such micro solar power plants, the reporting period covers a full year. One of the greatest advantages is self-supply, especially as the surplus can easily be transmitted into the energy network and can similarly be taken away when the solar power plant is not producing enough energy on its own. The third example shows cost savings in paying electricity bills. The solar power plant is based on an isolated operation and is equipped with an energy-storing appliance. On the whole, the energy-saving appliance represents a large cost in the installation of a solar power plant, but as technologies, materials and plant performance improves and evolves, these factors can also be observed in lower costs. In all examples equipment depreciation and upkeep are treated as a cost.

Keywords:solar power plant, economic justification, inverter, energy-storing appliance

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