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Design of autonomous energy source with photovoltaic and wind power sources
Bršťák, Jan ; Bartošík, Tomáš (referee) ; Ptáček, Michal (advisor)
The ability to accumulate electric power is one of the most important and the most developing field in power engineering. Contemporary problems of electric power production from photovoltaic and wind sources are their varying outputs set by the weather conditions. These disadvantages can cause various problems (particularly there are supplied outputs into distributional system that runs for on-grid systems). The hybrid system (photovoltaic + wind sources) and the accumulation of electric power solve the problems of their output fluctuation because they complement each other. This Bachelor’s Thesis is focused on the basic description of photovoltaic and wind sources and their electric power accumulation. One of the chapters is intended for the description of well-known and used electric power accumulators. There is also a general suggestion of cooperating photovoltaic and wind sources and its evaluation in the relationship to the distributional system. In the conclusion, there are evaluations of the hybrid system (photovoltaic + wind sources) used in praxis. There are also mentioned their advantages and disadvantages.
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Design of autonomous energy source with photovoltaic and wind power sources
Bršťák, Jan ; Bartošík, Tomáš (referee) ; Ptáček, Michal (advisor)
The ability to accumulate electric power is one of the most important and the most developing field in power engineering. Contemporary problems of electric power production from photovoltaic and wind sources are their varying outputs set by the weather conditions. These disadvantages can cause various problems (particularly there are supplied outputs into distributional system that runs for on-grid systems). The hybrid system (photovoltaic + wind sources) and the accumulation of electric power solve the problems of their output fluctuation because they complement each other. This Bachelor’s Thesis is focused on the basic description of photovoltaic and wind sources and their electric power accumulation. One of the chapters is intended for the description of well-known and used electric power accumulators. There is also a general suggestion of cooperating photovoltaic and wind sources and its evaluation in the relationship to the distributional system. In the conclusion, there are evaluations of the hybrid system (photovoltaic + wind sources) used in praxis. There are also mentioned their advantages and disadvantages.
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The Conversion Efficiency of Different Kinds of Energy into Electrical Energy and the Possibility of its Accumulation
Ostruška, Jan ; Bartošík, Tomáš (referee) ; Macháček, Jan (advisor)
The thesis deals with the issues of the conversion efficiency of different kinds of energy into electric energy. Firstly, the thesis presents a brief introduction into types of energy sources and their capacity. Then, conversion efficiency of particular direct and indirect conversion is scrutinized, pointing to factors which affect conversion efficiency. The next chapter deals with the possibilities of accumulating electric energy. These are analysed as far as conversion efficiency is concerned as well and the end of the chapter concludes with comparison of these particular possibilities. Booth parts of the process – power generation and its accumulation – are connected in comprehensive scheme of energy conversions. The thesis develops on this scheme by mathematic description of its components and by designing a simulation programme, which would show the flow of energy in the scheme.
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Alternative use of biomass
Hornoch, Radek ; Radil, Lukáš (referee) ; Bartošík, Tomáš (advisor)
This bachelor´s thesis describes the options of the processing biomass on the nobler fuels and their using. In the first part are described the sources of biomass so the option targeted grow crops or use different convenient wastes. The second part contains a description of the technology, how to revise the biomass to synthesis gas, methanol, ethanol, biodiesel and biogas. They are given yields on already mentioned high-grade fuels from individual crops and technologies. The third part deals with device where it is maybe to use nobler forms of fuels. It is going about traditional heating plant with back pressure or condensing extraction turbine, steam heating plant, a cogeneration unit with micro turbine, a cogeneration unit with combustion engine and a cogeneration unit with fuel cells. At the end of the chapter is a comparison of the different devices when using different fuels.
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