National Repository of Grey Literature 21 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
Support of the energy sources construction for households
Stručovský, Aleš ; Radil, Lukáš (referee) ; Bartošík, Tomáš (advisor)
This bachelor thesis deals with the comparison of energy sources used for residential construction. It focuses on photovoltaic power plants, wind power plants, hydropower plants and cogeneration units. Budget cost of energy source is limited to the amount of 550 000 CZK. Every source of energy is defined by its feature, operating principle, advantages and disadvantages. Options of selling the produced energy and its price are specified. Furthermore, the particular building licence applications (construction administration approval, generation of power questionnaire, application for connection to the distribution network, application for the contract of energy production support) including all the necessary enclosures have been analysed. Essential aspect for buying the energy source is its power and it is chosen according to the type of source. Energy source of hydropower systems is flow and gradient, in wind power systems it is wind speed, in photovoltaic power systems it is sufficient intensity of sunshine and in cogeneration units its dependance on annual heat consumption. Specific energy source available on our market is chosen for every group and the calculations of annual electricity production, period of repayment and profitability in 20-year running period are performed.
Adaptation of the water mill
Dobšáková, Lenka ; Uttendorfský, Petr (referee) ; Hudec, Martin (advisor)
This bachelor’s thesis is about adaptation of the water mill Cacovice. The first part is a description of the history of water mills and mill history in Cacovice. The second part deals with small hydroelectric power station, their functions and distribution. The third part describes the technical part of the small hydroelectric power station Cacovice and the fourth part is a proposal for a new Kaplan turbine, which could replace the existing Francis turbine.
Possibility of using alternative decentralized energy sources
Pitron, Jiří ; Pěcha, Jiří (referee) ; Mastný, Petr (advisor)
The thesis concerns of the possibility by using alternative decentralized sources of energy. The first chapter describes current energy situation in the Czech Republic and consideration of future electrical energy consumption and the coverage by the renewable sources. Another part of this chapter describes each types of renewable energy with their advantages and disadvantages related to the Czech Republic. In the second chapter are introduced inputs which are appropriate for the plan of energetic system. The following theoretical chapter deals with each types of alternative energy sources using renewable source including the possibility of the installation and plan for the building. These alternative sources are sorted out by the way of using renewable sources of energy. The theoretical-practical fourth chapter concerns of the heating by the heat pump. For the detailed description was chosen the heat pump which is currently denote as appropriate alternative source of heat in household. With appropriate plan, which the thesis deals with, is this alternative source considered as proper investment. In the last chapter was assembled programme for creating models of energetic flux and calculation for the plan of heating by the heating pump air/water. This model is taken for concrete buildings related to exact outdoor temperature from previous years in concrete locality. In the end was realized validation of the software with the real measurement in concrete building.
Measuring of height liquid level
Koksa, Martin ; Hůlka, Tomáš (referee) ; Němec, Zdeněk (advisor)
This bachelor‘s thesis seeks to clarify and describe modern methods of measuring a liquid level. The topic is discussed from several points of view, from which the emphasis was put on the division according to usage in hydropower. Moreover, this thesis portrays the fundamental principles of hydroelectric power plants and sensors used in them.
Legislative and economic aspects of exploitation of renewable energy sources
Vondra, Marek ; Katolický, Jaroslav (referee) ; Jaroš, Michal (advisor)
The aim of this thesis is a brief outline of legislative and economic issues associated with energy production from renewable sources. After reading the work, potential investors should be connive with the pros and cons of the use of renewable resources. The thesis has a recherche character and tries to provide basic information for the possible preparation of an investment project. Renewable energy sources have become an integral part of the energy market, despite their lack of profitability in comparison with conventional sources. It is a consequence of European Union’s financial support. However, the support is changing over time, as well as avalaible technologies, local conditions and many other factors affecting the current investment attractiveness of renewable energy sources. All these factors must be considered by an investor. The current situation is positive for use of biomass energy, both at home and in large incineration plants and cogeneration units. Electricity can be advantageously produced in photovoltaic and small hydropower plants. There is a growing importance of heat pumps exploitation. We can expect slower development of photovoltaic farms and wind power plants contructions.
Ecological problems energetics CR
Šilar, Martin ; Bok, Jaromír (referee) ; Matoušek, Antonín (advisor)
This project presents the current status of power resources and supply in the Czech Republic and examines its different connections with ecology. The existing situation in energetics is described in the first chapter of the thesis. This chapter contains general information as well as an analysis of the progress to date related to the structure of installed power and to the amount of electricity generation and their consumption. The description of the common influence of energetics on the environment is provided in the following chapter, which also introduces the next step, namely a short survey of the characteristics of the currently used energy resources and their direct relationship to the monitored ecological problems. The practical part of the project is based on the calculation of emission in the fifteen biggest thermal power station in the Czech Republic. The calculated amounts of emission are compared with the related features of nuclear waste. The last chapter contains information about the EU legislation concerning the reduction of carbon dioxide. In this respect, there are presented also the measures planned to facilitate the reduction of carbon dioxide in Czech Republic.
Electric and heat energy sources
Kosek, Stanislav ; Pitron, Jiří (referee) ; Mastný, Petr (advisor)
This thesis deals with different types of electric power sources in the Czech Republic. It describes power plants located in the Czech Republic and also those which do not have such potential of use in the Czech Republic, but are used much more elsewhere in the world. In the Czech republic approximately one third of power plants are nuclear. They are less harmful to the environment than thermal power plants, because they leave out to their surroundings only water vapour from the cooling towers, while thermal ones leave out various harmful gases despite the effort to reduce them as much as possible. Thermal power plants use mostly fossil fuels such as black or brown coal to generace electricity. Some of them are designed to be able to burn biomass, e.g. wood chips, bark or another wood processing industry waste. Finally, renewable energy sources are depicted in this thesis. They appear to be the cleanest source of electricity, but the problem is that this type of power plants cannot be build anywhere. We can take a wind power plant as an example. It is not effective to build it in a windless place and that is why they are build on a higher located places.
Ecological problems energetics CR
Mahdal, Vlastimil ; Ptáček, Michal (referee) ; Matoušek, Antonín (advisor)
This project presents the current state of power engineering, power resources in the Czech Republic and the impact of power resources on the environment. The first chapter describes the nature of the power engineering of the Czech Republic and the structure of primary energy sources, the next chapter present the current state of electricity, there is also described the structure of instaled capacity, consumption and production of electrical energy. The following section describes the impact of the power stations on the environment and their current status in the Czech Republic. The practical part provides information of calculating emissions using emission factors for power stations of company ČEZ, a.s. and about the storage of nuclear waste. The last chapter is dedicated to reducing carbon dioxide emissions in the European Union and describes measures in the Czech Republic for reducing these emissions.
Measuring of height liquid level
Koksa, Martin ; Hůlka, Tomáš (referee) ; Němec, Zdeněk (advisor)
This bachelor‘s thesis seeks to clarify and describe modern methods of measuring a liquid level. The topic is discussed from several points of view, from which the emphasis was put on the division according to usage in hydropower. Moreover, this thesis portrays the fundamental principles of hydroelectric power plants and sensors used in them.
Electric and heat energy sources
Kosek, Stanislav ; Pitron, Jiří (referee) ; Mastný, Petr (advisor)
This thesis deals with different types of electric power sources in the Czech Republic. It describes power plants located in the Czech Republic and also those which do not have such potential of use in the Czech Republic, but are used much more elsewhere in the world. In the Czech republic approximately one third of power plants are nuclear. They are less harmful to the environment than thermal power plants, because they leave out to their surroundings only water vapour from the cooling towers, while thermal ones leave out various harmful gases despite the effort to reduce them as much as possible. Thermal power plants use mostly fossil fuels such as black or brown coal to generace electricity. Some of them are designed to be able to burn biomass, e.g. wood chips, bark or another wood processing industry waste. Finally, renewable energy sources are depicted in this thesis. They appear to be the cleanest source of electricity, but the problem is that this type of power plants cannot be build anywhere. We can take a wind power plant as an example. It is not effective to build it in a windless place and that is why they are build on a higher located places.

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