National Repository of Grey Literature 72 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Solar cell control
Pisca, Marek ; Valach, Soběslav (referee) ; Macho, Tomáš (advisor)
This bachelor´s thesis is dealing with the theory of photovoltaic cells and controling of solar system created for recreation cottage. Controling and charging system for lead accumulator has been designed and created. This system allows following the sun during the day.
Datalogger of environmental values
Raichl, Petr ; Benešl, Tomáš (referee) ; Bradáč, Zdeněk (advisor)
The thesis is aimed on construction of solar panel powered datalogger of environmental values. The thesis begins by research of commercial dataloggers. Then the concept of datalogger was created. Then the electronics of datalogger was designed. Datalogger is built as a system driven by microcontroller. The microcontroller reads data from sensors, writes data to memory card and sends data to Czech radiocommunications cloud by LoRa technology. Then the data are resend to MySQL database. Program for microcontroller was made in C language. Configuration of datalogger is done through USB interface by PC application which was created in C# language. For visualisation of measured data ASP.NET Core application was created.
Energy yields per one hectare of land in the South Moravian Region
Plášek, Tomáš ; Bayer, Robert (referee) ; Jandová, Kristýna (advisor)
This bachelor thesis compares methods of producing elektricity in biogas plant, in thermal power plants by burning biomass, in solar power plants and compares it with production of energy of fuel cells and the energy from biofuels, like biodiesel and bioethanol. It compares the energy yields of different energy production methods and evaluates their advantages and disadvantages. It compares the energy content of these fuels by model vehicle range.
Simulation of I-V characteristic on photovoltaic modules
Jiřík, Jan ; Vaněk, Jiří (referee) ; Křivík, Petr (advisor)
Tato práce se zabývá slunečním zářením, které je jedním z možných zdrojů obnovitelné energie. Hlavnímy body práce je seznámit se s problematikou fotovoltaiky. Sestrojení poloautomatizovaného měřícího pracoviště díky němuž obdržíme reálné I-U a P-U charakteristiky solárního panelu. Dalším bodem je sestrojení programu v programu Vee Pro 8.0, který tyto charakteristiky simuluje v programu. Cílem je zjistit charakteristické konstanty pro daný solární panel.
Energy yields per one hectare of land in the South Moravian Region
Plášek, Tomáš ; Bayer, Robert (referee) ; Jandová, Kristýna (advisor)
This essay analysis problems of photovoltaic power plant operation and production of elektricity from biofuels. It also compares energy yields from different types of biofuels with yields of energy from solar panel.The essay also evaluates consumption of these fuels and efficiency of powering cars with combustion engine against electrical car.
Solar irrigation
Straňák, Rastislav ; Jaššo, Kamil (referee) ; Jandová, Kristýna (advisor)
This bachelor thesis deals with the issue of solar irrigation system together with the design and manufacture of the owner´s solution. The beginning of the thesis deals with the analysis of commercial equipment, determining its possible innovations. It continues with the analysis and selection of individual components for author´s solution. Newly designed device has a microcontroller that evaluates data from the relevant components, thus controlling the system processes. Thanks to the protection against self-destruction caused by running out of water or clogged hoses, the protection of plants against overwatering and the additive function of fertilization, i tis a compact solar irrigation system. The last part deals with the testing of the created equipment and the analysis of the achieved results.
Photovoltaic power systems for stand-alone applications
Hrňa, Lukáš ; Fišer, Jan (referee) ; Hejčík, Jiří (advisor)
Topic of Bachelor’s thesis is descriptions photovoltaic power systems and their parts. It describes photovoltaic power system for stand-alone applications. In Bachelor’s thesis make photovoltaic power system for cottage. It characterizes basic components for build-up, basic aspect for determination right component and talk about immunity photovoltaic power system in long time.
Monitorng of the photovoltaic power plant
Střípek, Martin ; Kunovjánek, Miroslav (referee) ; Dolenský, Jan (advisor)
This Bachelor work is dealing with theoretical knowledge of Photovoltaic. One of the great advantage of Photovoltaic is inexhaustible resource in long-time period – The Sun. This approach is especially important in todays world when more and more countries are becoming energetically dependent and may run out of fossil fuels. Bachelor work shall introdukce the principle of Photovoltaic, it's practical use for photovoltaic power stations, further it’s classification and types of constructions. The practical part is focused on monitoring the operation of photovoltaic power. Evaluate the instantaneous AC power, the total energy supplied to the network and compared with theoretical values. Bachelor thesis should help in detecting errors that can lead to energy losses.
Grit-off photovoltaic system
Horváth, Martin ; Dolenský, Jan (referee) ; Vaněk, Jiří (advisor)
The restoring sources of energy and their development brings the question how these sources can be utilized in the best way. Master`s thesis deals with photovoltaic systems. It describes their history line, actual situation and also brings some expectations in the future. There are mentioned some materials and technologies which are used for its manufacture, conditions of using in practice, advantages and disadvantages and finally a real mobile application of photovoltaic which serves for a production of electricity that is saved in the battery.
Solar Powerstation Web Interface
Škvařil, Radek ; Michal, Bohumil (referee) ; Lampa, Petr (advisor)
This thesis is focused on practical usage of solar energy in photovoltaic systems and on the Fronius product portfolio. It is also focused on implementation of web interface for modular solar photovoltaic Fronius powerstations system. It is purposed on displaying statistic data, drawing charts and solar system monitoring. This system is desired to act autonomic and self-configurable. System will be implemented using the PHP5, MySQL4 technologies and object oriented programming technique.

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