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Multirotor wind power plant for the Czech Republic
Boršoš, Adam ; Linda, Jakub (referee) ; Škorpík, Jiří (advisor)
As the power of wind turbines increases, the rotor diameter usually increases as well. This complicates transportation and handling. The multirotor power plant concept has the potential to minimise this problem. In this paper, various aspects of multirotor power plants have been described in general terms. The landscape of the Czech Republic has been analysed in terms of conditions for wind power plants and consequently a suitable site for the location of a multirotor power plant has been selected. This was followed by the selection of the wind turbine model for the multirotor design. After calculating the outputs and comparing the key parameters of the three models, the most suitable model was selected. This was followed by the actual design of the structure, which was created according to the results of the strength analysis in SolidWorks. Finally, a calculation of the dimensions of the equivalent single-rotor wind turbine was made and the corresponding model was selected. Also, the designed multi-rotor power plant was compared with the wind power plants surrounding the selected location.
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Fast charging of EV vehicles - overview of technologies
Boršoš, Adam ; Charvát, Pavel (referee) ; Fišer, Jan (advisor)
Charging speed is one of the key parameters that affects the attractiveness of electric cars for drivers. Therefore, it is important to determine the methods that can charge the electric car as quickly as possible. An overview of electric vehicle charging technologies and the identification of those that are considered fast charging has been made. It has been found that the fastest technology is DC charging. A list of six connectors that allow this charging has also been created. These were then compared. An overview of charging networks, that enable fast charging, was made in the next chapter. The three largest providers of charging stations in the Czech Republic and also the two that specialize in fast charging were listed. The topic of battery cooling is also related to charging. Therefore, the following chapter provides an overview of technologies that are used to cool batteries. The last part focuses on the factors that cause the degradation of batteries. An overview of the four main causes of degradation and their effect on the battery was demonstrated.
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Fast charging of EV vehicles - overview of technologies
Boršoš, Adam ; Charvát, Pavel (referee) ; Fišer, Jan (advisor)
Charging speed is one of the key parameters that affects the attractiveness of electric cars for drivers. Therefore, it is important to determine the methods that can charge the electric car as quickly as possible. An overview of electric vehicle charging technologies and the identification of those that are considered fast charging has been made. It has been found that the fastest technology is DC charging. A list of six connectors that allow this charging has also been created. These were then compared. An overview of charging networks, that enable fast charging, was made in the next chapter. The three largest providers of charging stations in the Czech Republic and also the two that specialize in fast charging were listed. The topic of battery cooling is also related to charging. Therefore, the following chapter provides an overview of technologies that are used to cool batteries. The last part focuses on the factors that cause the degradation of batteries. An overview of the four main causes of degradation and their effect on the battery was demonstrated.
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