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Title
Hydroscrew turbines feasibility study / Mauricio Recalcatti
AuthorRecalcatti, Mauricio
CensorKopacek, Peter
PublishedWien, 2018
Descriptioniv, 93 Blätter : Illustrationen, Diagramme
Institutional NoteTechnische Universität Wien, Master Thesis, 2018
LanguageEnglish
Document typeMaster Thesis
Keywords (DE)Screw turbine / hydropower / energy production / renewable energy / Archimedean Turbines
Keywords (EN)Screw turbine / hydropower / energy production / renewable energy / Archimedean Turbines
URNurn:nbn:at:at-ubtuw:1-108998 Persistent Identifier (URN)
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 The work is publicly available
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Hydroscrew turbines feasibility study [2.49 mb]
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Abstract (English)

The growing demand for electric energy and the search for renewable and clean generation sources, refer to the study and manufacture of machines, equipment or devices capable of producing electricity with minimal losses from natural resources still available. From many diverse ways of generating this energy, in the Brazilian scenario, the hydroelectric plants gained great relevance due to the characteristics of the national territory. The large number of rivers and pluviometric precipitation in practically whole country results in a great potential of hydropower generation for Brazil. Thus, the small or micro Hydroelectric Generating Centers (MHP) are inserted in this context as an attractive alternative for the generation of clean energy with very low environmental impact. Due to their small size, these types of plants have low implementation costs, as well as causing less damage to the environment when compared to the Large Hydropower Plants (LPP) or other sources of energy, like coal and oil Power Plant. This study analyzes the economic viability for the implantation of Screw Turbines, by means of a real case study, in the Southern region of Brazil. For this purpose, asset valuation tools are used as net present value of the discounted cash flows and calculation of the internal rate of return of the Power Plant. The net present value (NPV) and the internal rate of return (IRR) of the Hydroelectric Generating Station are calculated based on the sales value of the energy obtained by the entrepreneurs in the last alternative energy auction. In view of the results obtained, concludes that the implementation of the Mini Hydropower Plant is feasible economically for all scenarios and adds more value to the shareholder than alternatives of the financial market of equivalent risk.

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