Zgrade gotovo nulte energije - kalkulator isplativosti investicije u cjeovitu energetsku obnovu

Stipeljković, Matej (2017) Zgrade gotovo nulte energije - kalkulator isplativosti investicije u cjeovitu energetsku obnovu. = Near-zero energy buildings - deep energy renovation feasibility calculator. Undergraduate thesis , Sveučilište u Zagrebu, Fakultet strojarstva i brodogradnje, UNSPECIFIED. Mentor: Duić, Neven.

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Abstract (Croatian)

Uslijed sve većeg broja zgrada gotovo nulte energije (NZEB, engl. near zero energy building), pojavila se potreba za alatima koji će omogućiti odabir ekonomski isplativih mjera kako bi određena zgrada zadovoljila NZEB kriterije. U radu je prikazana metoda i postupak optimizacije odabira mjera energetske učinkovitosti, a kao primjer je odabrano dvadeset zgrada javnog sektora Zagrebačke županije. Postupak se temelji na optimalnom odabiru mjera energetske učinkovitosti, gdje je funkcija cilja minimalizirati jednostavni period povrata (JPP) ili ukupnu investiciju, pri čemu je potrebno ostvariti NZEB krierije. Cilj je troškovno-optimalno obnoviti zgrade pomoću programa Baza mjera energetske učinkovitosti (BMEU) koji je napravljen u suradnji s Regionalnom energetskom agencijom sjeverozapadne Hrvatske (REGEA). Rezultat je pokazao kako se od 20 promatranih zgrada, samo 10% može dovesti do razine NZEB pomoću metoda koje se u praksi koriste. Za ostalih 90% je potrebno koristiti mjere učinkovitosti koje se u stvarnosti pokazuju neisplativima. Za potrebe proračuna je korišten Microsoft Office Excel, odnosno optimizacijski alat SOLVER.

Abstract

Due to the growing number of nearly zero energy buildings (NZEBs), a need for tools that will enable economically viable energy efficiency measures has emerged. This thesis presents the method and process of optimizing the selection of energy efficiency measures, and as an example, several public buildings of the Zagreb County have been selected. Optimization is based on the selection of energy efficiency measures, where the goal is to minimize a simple payback period or a total investment. The goal is to find the cost-optimal solution of building renovation measures by using the program named Energy efficiency measures base (BMEU), developed in cooperation with North-west Croatia regional energy agency (REGEA). The result has shown that only 10% of the 20 observed buildings can be renovated to the NZEB level by using the well-known energy efficiency measures . For other 90% of the buildings, it is necessary to use the measures which in reality have been shown economically unfeasible. Microsoft Office Excel and SOLVER optimization tool have been used for calculation and optimization processes.

Item Type: Thesis (Undergraduate thesis)
Uncontrolled Keywords: energetska obnova; zgrade gotovo nulte energije; racionalna upotreba energije; obnovljivi izvori energije
Keywords (Croatian): building retrofit; near zero energy building; rational use of energy; renewable energy sources
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 500 Department of Energy, Power Engineering and Environment > 510 Power Engineering and Energy Management Chair
Date Deposited: 10 Oct 2017 15:35
Last Modified: 10 Oct 2017 15:35
URI: http://repozitorij.fsb.hr/id/eprint/8002

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