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Monitoring of air flow around photovoltaic modules
Herman, Michal ; Křivík, Petr (referee) ; Vaněk, Jiří (advisor)
This diploma thesis deals with the flow of air around photovoltaic modules and the associated effect on their temperature and overall performance. In the thesis, a device for sensing the mentioned quantities is designed and it is compared with similar types of devices in terms of price, dimensions and accuracy. Furthermore, the thesis describes the placement of individual sensors and sensing interval of quantities. In the second part of the thesis, long-term stored data are plotted in graphs and the extend to which they affect the photovoltaic system is evaluated.
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Solar systems utilization for family house energy demand
Šamanová, Jaroslava ; Toman, Filip (referee) ; Sitek, Tomáš (advisor)
Solar systems are more and more common part of residential houses. Main reason for this, is that solar elements are state-supported with subsidies, which is reducing payback time of these investments. At the same time, the prices for these systems are dropping. The state support is connected with effort to reduce dependancy on non-renewable energy sources, e.g. coal powerplants, which are polluting atmosphere. State administration i salso the reason for large scale solar powerplant constructions, which are, according to some opinions, misshaping the landscape and covering large areas of sometimes fertile land.
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Design of ecological heating of a family house
Kořínek, Vladimír ; Máca, Josef (referee) ; Jandová, Kristýna (advisor)
This diploma thesis deals with the design of ecological heating for a family house. The main objective is to find the most advantageous variant of the heating and water heating system using a heat pump in cooperation with an alternative heating system. Thermal losses are calculated for the selected object, and several heating designs are made based on the calculations. Then the economic return of the designs is calculated.
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Zhodnocení vlivu záměrného čištění fotovoltaické elektrárny na její produkční parametry
Šťastný, Hubert
This thesis is focused on the evaluation of the influence of intentional solar panel cleaning on the production parameters. The basic theoretical information about solar energy, photovoltaic effect, division of the photovoltaic cells, solar power station equipment, the legislation and factors affecting the power of photovoltaic plant is described in the theoretical part. The practical part deals with the specific characteristics of the photovoltaic plant, its production parameters and technical equipment. The same, performance of the panels before and after cleaning is compared in this part. And finally, this part focuses on the benefits of cleaning for the plant and its production increase. Financial costs and the financial contribution to the owner of power station are discussed in the conclusion part.
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Influence of small household appliances on economy of combined solar systems
Hosová, Žaneta ; Půčková, Helena (referee) ; Kotlík, Josef (advisor)
This Master’s thesis deals with the problems of small domestic appliances in solar systems. The theoretical part provides a description of solar thermal systems and solar photovoltaic systems, including the possibility of their combination. It adds options connecting the small household appliances in system of solar technology and economics of the washing process. The practical part evaluates the economy of operation small household appliances connected to the solar system.
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Vývoj využití solární energie - fotovoltaické systémy
Moncman, Michal
The thesis is focused on the comparison of specific solar systems for selected periods. Several technical parameters, efficiency and economy are studied. The basic theoretical context is described in the theoretical part. The practical part analyzes the described solar systems focused on technical parameters, especially the orientation towards the cardinal directions. Finally, the thesis evaluates the effectiveness for the specific solar systems for the selected period including of future production prediction and elaboration the basic economic analysis including evaluation of the effectiveness of investments.
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Solar charge controllers for off-grid systems
KRČKA, Pavel
This diploma thesis deals with photovoltaic rechargable regulators used in isolated, or off-grid photovoltaic systems. First, basic types of off-grid installations, including their functions and applications in practice are described. Then, possibilities of electric energy accumulation in photovoltaic systems are mentioned, considering actual, accesible technologies. Matters of electric energy accumulation in leaden accumulators are examined in detail. Main part of the diploma thesis is about electronic designs of photovoltaic, also called solar, rechargable regulators. These are the main connecting part between photovoltaic panels, accumulator, but also often connected charge, which is appliance. Individual electronic regulators concepts are described narrowly, then compared and evaluated in thesis´ conclusion.
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