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Project of Photovoltaic Power Plant Grid Connection
Blažek, Tomáš ; Procházka, Aleš (referee) ; Orságová, Jaroslava (advisor)
This bachelors thesis deals with photovoltaic technology and economic evaluation of used technology equipment. The first part describes the technology for extraction of power from photovoltaic sources - transformer 22/0,4kV and its basic parts. Then there is the calculation of the amount of openings for cooling the transformer according to ČSN 33 3240. The second part focuses on the description of the major part of the photovoltaic plant. Here are divided solar panels on the material from which they are produced and the type of installation in the field. Next is describe the types of inverters, their principles and functions. The last part compares the different types of transformers and operating costs over the lifetime of plants (20 years), are described factors for proper selection of inverters and solar panels.
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Photovoltaic panels of new generation
Loveček, Michal ; Radil, Lukáš (referee) ; Mastný, Petr (advisor)
The Bachelor thesis deals with the possibilities how to take use of photovoltaic power stations situated in the Czech Republic. In the first part there is the procedure of photovoltaic energy convertion analyzed and the source of this energy described – Sun. The pieces of information about the technology of sollar cells manufacturig and some new technologies recently developed by scientist are summed up in the following part. As next there is the function of photovolatic arrays described as well as how the form of their construction affect their effectiveness. And last but not least the individual project of FV system for family house in Czech Republic with its evaluation is worked out.
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Analysis of the photovoltaic cell cooling
Hřešil, Tomáš ; Vyroubal, Petr (referee) ; Maxa, Jiří (advisor)
This project solves the problem of cooling the photovoltaic cell. Solar cell was modeled according to a real model in SolidWorks, and subsequently created the model was simulated in SolidWorks Flow Simulation and Ansys Fluent. The use of both systems allow a comparison of their possibilities in the field of heat transfer and their suitability for the case. The conclusion summarizes the first results and outline further developments cooling design to optimize the performance of the solar cell.
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Controll Electronics for Effective Supplying of Equipment with Li-Ion Accu by Solar Cells
Horký, Luděk ; Dřínovský, Jiří (referee) ; Urbanec, Tomáš (advisor)
This Bachelor`s thesis deals with questions surrounding the collection and harnessing of solar radiation for use as electrical energy. The aim of this project was to build an effective system for charging Li-Ion batteries by means of solar cells. To this end, four different solar panels currently available were chosen for measuring and evaluation. The most suitable of these was chosen and an electronic control system devised for effectively supplying the Li-Ion batteries. It was necessarily to make solution for problems consequent upont this method of charging this type of battery and make practise realizitaion of this electrical scheme by SMT technology.
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Usage and Future in Alternative Drive of Automobile
Žalman, David ; Ramík, Pavel (referee) ; Dundálek, Radim (advisor)
The aim of this bachelor thesis is to state an overview of alternative drive of automobiles and their effect on ecology. The main part consists of a description of specific characteristics and peculiarities of power units, their advantages, disadvantages and shows examples of some vehicles. In the conclusion of the thesis it is foreshadowed in what way the car industry could proceed in the subsequent years.
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Small scale photovoltaic system
Vaľočík, Jan ; Škvařil, Jan (referee) ; Pospíšil, Jiří (advisor)
The aim of this work is utilization of solar energy for electrical energy production focusing on photovoltaics. First, the principle, function and structure of photovoltaic cells is described. Then the current types of cells are introduced, followed by possibilities on how to increase the production of electrical energy from photovoltaic modules. Subsequently the connection methods between the photovoltaic systems and the network are discussed. The thesis is concluded by a design of a small scale photovoltaic system for a family house including an economic evaluation.
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Photovoltaic, as an alternative source of electricity
Honka, Pavel ; Moskalík, Jiří (referee) ; Pospíšil, Jiří (advisor)
The work deals with alternative sources of energy and it concentrates on a photovoltaic. There are represented the main types of solar cells, the principles of their functioning and methods of increasing their efficiency. There is also a summary of possibilities of connection of the photovoltaic system and related methods of energy accumulation. On the basis of above mentioned extent of information there is suggested a project of photovoltaic power station which supplies a holiday house by produced energy.
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Crawler undercarriage for building machines
Richtr, Pavel ; Pokorný, Přemysl (referee) ; Kašpárek, Jaroslav (advisor)
The point of the bachelor’s thesis is to recapitulate pieces of knowledge about types of crawler undercarriages to the weight of 10 tons, make survey of application various types of undercarriages for concrete types of machines, to give and confront properties of undercarriages and tracks in the light of weight of machine and operating specifications.
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The elite of the Communist Party of Czechoslovakia on the pages of Rudé právo in 50s´ of 20th century .
STEHLÍK, Petr
This diploma thesis deals with a detailed analysis of the daily Rudé právo in 1951 - 1960. It is focused in detail on leading representatives of the Communist Party and their impact on the situation in the former Czechoslovakia in ´50s, as well as on significant events in this period. The work will consist in comparing the real facts and distorted facts about personalities and events of that time as they were presented by Rudé právo as the propaganda newspaper of the Communist Party. The main aim of the thesis is to make a reader aware of the impartiality of Rudé právo which played a dominant role in the former media scene and greatly influenced the general public who did not have the opportunity to compare information with other news. It is important as well to the reader understand how powerful the media had already been that time, when Rudé právo was able to significantly support a cult of personality mainly around Klement Gottwald and J. V. Stalin, when a reader had no opportunity to gain any information than what the governance of communist Czechoslovakia wanted to. Besides the already mentioned cults of personalities the work will deal with propaganda of communism, the Soviet Union and the anti-Americanism which was propagated mainly between 1950 - 1953 in almost every issue of the newspaper. After reading this thesis, the reader should understand the content of Rudé právo and its importance. He should realize that the main aim was to arouse belief of the citizens of Czechoslovakia that "Western world", especially the United States, is an enemy that wants to control the whole world and that its leaders are the aggressors and the enemies of peace. The Soviet Union and its leaders should then be the protection against so-called warmongers from the USA. Due to then lack of information it was very difficult for an average working Czechoslovak reader to know that the reality was quite the opposite.
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