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Photovoltaic, as an alternative source of electricity
Floková, Kateřina ; Baláš, Marek (referee) ; Pospíšil, Jiří (advisor)
The aim of this work is to provide a description and an explanation of the process of obtaining elektrical energy from solar radiation. There is preliminary mentioned an importance of producing electrical energy from renewable sources and development of photovoltaic systems. The body of the thesis is divided into seven chapters. At first, there is described the principle of transformation solar radiation into electrical energy. Then, the description of types of barrier-layer photocells follows. The types are divided according to their structure and material, which are they produced from. The third chapture is focused on production and construction of photovoltaic modules. Ways, how can be production of electricity increased, are mentioned in the fourth chapture. Advantages and disadvantages of solar concentrators are given there. In the fifth chapture there are described two basic kinds of connection of photovoltaic system. Different ways of taking-off produced electricity are related with those kinds of connection. The last chapture is the fundamental chapture of the thesis. There is given a project of concrete photovoltaic system. For this system is calculated economic return of investment included supposed increase of prices of electricity. In conlusion the author noticed events that would be given and emphasized the outcome of concerete project of photovoltaic system.
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Renewable energy sources in CR
Kozumplík, Ondřej ; Škvařil, Jan (referee) ; Fiedler, Jan (advisor)
The content of bachelor study is the technical recherche of the renewable resources of energy in the Czech republic. It appears here the principal, use, potential and advantages and disadvantages of each type of renewable resources - water, wind and biomass. Then the use of solar energy for photovoltaic conversion to electrical energy is described in detail. At the end of this study is described one of the many recently build photovoltaic power stations in the South Moravia territory, the solar power station in Bzenec.
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Characterization of the perovskit photovoltaic cells
Kaliyev, Alexey ; Jandová, Kristýna (referee) ; Novák, Vítězslav (advisor)
The work is focused on problems of perovskite photovoltaic cells. The theoretical part describes the properties of perovskite structure, its composition and use in solar cells. There is also a brief information on silicon-based solar cells, which is followed by a comparison of the two systems. The measurement methods, which this stated and described here are used to understand problematics photovoltaic, determination of efficiency, stability and durability of the solar cell. In the practical part will focus on the application of these methods, discussion and evaluation of results.
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Design of a photovoltaic power plant with battery storage for a family house
Hub, Michal ; Maule, Petr (referee) ; Vaněk, Jiří (advisor)
This diploma thesis deals with the design of a photovoltaic power plant with a battery storage for a family house. In the theoretical part at first the principle of photovoltaic cells is analysed together with the various types used in this branch. Furthermore, the thesis deals with the description of photovoltaic systems and its individual parts consisting of inverters and accumulators. This thesis analyses the object for the installation of a photovoltaic power plant, including legislative and subsidy conditions. In the final part, itself system is analysed with a price proposal.
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Comparison of different photovoltaic panels in CR
Červinka, Pavel ; Stojan, Radek (referee) ; Pléha, David (advisor)
This term paper deals about history, principle and use of photovoltaic panel. It describes their stucture and constantly improving properties of these panels. It outlines their gradual generational evolution from beginning to present. Then it describes the various systems involved on – grid and off – grid. It also describes and compares the photovoltaic panels and inverters from different global manufacturer. The end of this work deals about conditions of photovoltaic in the Czech republic and about Hady photovoltaic incubator, which belongs to the company Energ servis a.s. It presents a comparison of different local and the analysis of the impact of shading for the achievement of the photovoltaic panel. It makes mathematic models for calculation of the spacing range and calculation the power loss in a specific shade.
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Draft methodology for processing and evaluation of long-term measurements on PV Panel
Žák, Tomáš ; Šlezingr, Jan (referee) ; Macháček, Jan (advisor)
This bachelor thesis aims to analyse the physical theory behind the photovoltaic cells and propose extension measurements for a modernised on-line laboratory. The first part of this thesis describes the theory of the photovoltaic conversion of solar energy into electricity. The p-n junction is described in detail because of its importance for a thorough understanding of the subject. The temperature dependence of a photovoltaic panel, i.e. the negative impact of rising temperature on the output power, is also described here. The contributions of this thesis include a summary of the current situation and the system of state subsidies for the current year as well as a proposal for an extension of measurements in an on-line laboratory, which is to be modernised, at the Department of Power Engineering. Therefore, the thesis includes some specific proposals of graphic dependence, which have a significant information value, and a possible further extension of the laboratory with new measuring and measured elements, which would be helpful for deeper understanding of the subject. In particular, it would be useful for understanding which factors influence the output power of a photovoltaic panel, both significantly and less significantly, which is undoubtedly the most important point.
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Measuring of the operational characteristics of PV systems
Jílek, Milan ; Radil, Lukáš (referee) ; Mastný, Petr (advisor)
The bachelor's thesis deals with the principle of the photoelectric effect, the composition of the photovoltaic cell and different types of solar panels. In this project there is also displayed the expected course of the operating characteristics. There are also discussed the parameters affecting this course. In next section describes the measurement system which is used to measure real operating characteristics. At the end of bachelor's thesis are listed results of real measurement.
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Different way how to use solar radiation for the electric energy production
Obadal, Petr ; Křivík, Petr (referee) ; Vaněk, Jiří (advisor)
The thesis deals with the problem of potential use of solar energy through the conversion into electric energy. The thesis analyses in great detail several types of conversion. My special concern included photovoltaic conversion and thermal conversion of solar energy using steam turbines for energy production. In the subsequent parts, I focus on the problem of photovoltaic, photovoltaic systems, and solar thermal power plants, their installation and use.
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Possibility of using alternative sources of energy in manufacturing facility
Malchar, Jakub ; Skála, Zdeněk (referee) ; Pospíšil, Jiří (advisor)
The Master’s Thesis prospects the suitability of installing a photovoltaic system and a cogeneration unit in the LIPOELASTIC manufacturing facility and proposes their actual realization. Theoretical part describes said facility, its current energy supply situation and presents the proposed realizations' principle of operation. Practical part contains concrete calculations needed for realizations' proposal and their economic evaluation both independently and jointly.
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Backup power supply with solar panel charging
Křepela, Pavel ; Götthans, Tomáš (referee) ; Kubíček, Michal (advisor)
This project aims to create a backup power source with solar charging for small mobile devices (through USB connector). The charger should store power in a battery that is charged either from external power source or the solar panel. In the introduction, the work deals with the theory of solar cells and batteries. Furthermore, it described the selection of suitable components and design diagram.
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