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Namen zaključnega dela je predvsem podati predlog za izgradnjo male hidroelektrarne Pecelj, ki bi lahko bila umeščena v obstoječi cevovod za oskrbo pitne vode v odseku zajetja Dolna do raztežilnika Pecelj. Prvi del zaključnega dela obsega splošno predstavitev turbin in vrst malih hidro elektrarn, v drugem delu je predstavljena problematika oskrbe s pitno vodo skozi obstoječi cevovod ter določitev, umestitev in izgradnja novega cevovoda. V nadaljevanju je določen najprimernejši tlačni vodovodni vod. V raztežilnik je predvidena umestitev male hidroelektrarne. Vloga hidroelektrarne je izkoristiti visoke tlake, ki nastanejo zaradi velike višinske razlike. Predlagam, da se najprej zgradi visokotlačni cevovod in nato vgradnja energetskega sistema. V zaključnem delu je preračunana hitrost vode v ceveh, linijske izgube, izkoristki, dimenzionirana turbina, moč turbine, povračilna doba in moč na sponkah generatorja pri različnih pretokih. Predvidena je bila regulacija, oprema, narejen in ekonomski pregled. Na koncu so predstavijeni postopki za pridobitev dokumentacije za izgradnjo male hidroelektrarne, kar je zelo pomembno pri uresničitvi in pridobitvi gradbenega dovoljenja ter projekta za izvedbo. V zaključnem delu predstavljen sistem ima pomembno vlogo oskrbovanju gospodinjstev z vodo, hkrati pa zaradi visokih tlakov razbremenjuje tlačne nivoje. Visoki tlaki lahko škodujejo vodovodni napeljavi, ter armaturi uporabnikov. Mala hidroelektrarna Pecelj je namenjena za proizvodnjo zelene energije. The goal of the final work is to investigate and develop the solution how to implement a small hydropower station into drinking water pipeline. The small hydropower station could be placed in flow discharger Dolna-Pecelj, which is used for pressure reducer. In the first part the types of water turbines of electric power stations are described that could be used in such conditions. The second part is dealing with problems of old drinking water pipeline and proposed solutions for a new pipeline that is under construction. Due to high-level head and consequently the high pressure in pipeline have to be reduced, so the water turbine could be implemented. The solution will be performed in two steps the construction of high-pressure pipeline and afterword the energetic system will be implemented. In the final work all calculations are performed water speeds, pressure, line loses, water turbine determination, efficiency of power station and finally economic viability of the station. The work conclude with the documentation and procedures needed to build such small plant. The proposed system could have a significant role in reducing the pressure difference in the water pipeline system and producing green electricity simultaneously. |
