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Building modeling through SAM software using renewable energy sources

Perrakis Emmanouil

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Summary

This thesis, discusses the modeling of buildings through the SAM software using Renewable Energy Sources systems. The installation of Renewable Energy systems in interconnected building is examined, the systems are compared with each other and even investigated whether their use is advantageous compared to the use of grid electricity. At the beginning, the purpose and the scope of the paper are introduced and a brief literature review is provided, referring to the sources used for writing the paper. Additionally, the theoretical basis of the Renewable Energy Sources and their systems installed in building is established. Nearly Zero Energy Buildings are presented and through four examples, buildings are shown which incorporate Renewable Energy technologies and systems in order to produce energy for the fulfilment of their needs. Consequently, some data on the global and domestic carbon dioxide emissions released by the building sector are presented and there is a reference on the institutional framework, where the European Union is establishing and harmonizing it on a national level, for energy saving in buildings. At the same time, the residence selected for modeling in SAM with Renewable Energy Sources is shown as representative of the buildings and information about the area where it is built is given. Finally, the present dissertation showcases the SAM program that was used for the modeling of the residence that was mentioned above. The models selected in the program are presented and the sizing process as well as the process of the selection for the Renewable Energy systems installed at the residence, are thoroughly described. This is followed by simulations in the SAM program, according to which noticeable conclusions can be drawn and verify the choices made during the sizing process. The results of the simulations indicate that all Renewable Energy Sources systems function effectively in the residence that is studied. However, in this case the establishment of south-facing photovoltaic system is more suitable.

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