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System for electroluminiscence defect detection of solar cells
Marčík, Silvestr ; Jandová, Kristýna (referee) ; Vaněk, Jiří (advisor)
The master thesis focuses primarily on issues of photovoltaic cells in terms of their defects. The introductory part deals with the history of photovoltaics, their introduction into practice and finally an explanation of the photoelectric effect itself. The thesis also describes photovoltaic cells themselves. It explains their principle, advantages, disadvantages and the creation of photovoltaic systems. A substantial part of the work is focused on the topic of detection of defects using luminescent methods. Subsequently, it describes procedural defects arising from the improper handling of already manufactured products. The final part deals with the main topic of the work, which is a detection using luminescence methods and it also mentions the non-luminescence method LBIC. The practical part of the master thesis contains the analysis of the current solution and of the subsequent proposal of solution using a low cost camera. It describes how to modify the camera, verify its spectral sensitivity using a spectrometer and measure the sensitivity of the CMOS sensor. The conclusion is focused on verifying the functionality of the proposed solution on different sources of infrared radiation and photovoltaic panels themselves.
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Electric power generator with steam engine
Marčík, Silvestr ; Foral, Štěpán (referee) ; Baxant, Petr (advisor)
My bachelor thesis is focused on design and production of power generator driven by single-acting piston steam engine. Thesis includes introduction into the issue of steam engines and their history and it describes construction of their individual elements. The next part of the thesis describes manufacturing process of electrical and mechanical components and their optimization for given system. Thesis also includes research and development of new components of the steam engine in order to increase its efficiency and it describes possibilities of using the energy for small applications. The result of the thesis is a measurement and commissioning of the entire system. In conclusion achieved results and options of modification of steam power generators are discussed.
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System for electroluminiscence defect detection of solar cells
Marčík, Silvestr ; Jandová, Kristýna (referee) ; Vaněk, Jiří (advisor)
The master thesis focuses primarily on issues of photovoltaic cells in terms of their defects. The introductory part deals with the history of photovoltaics, their introduction into practice and finally an explanation of the photoelectric effect itself. The thesis also describes photovoltaic cells themselves. It explains their principle, advantages, disadvantages and the creation of photovoltaic systems. A substantial part of the work is focused on the topic of detection of defects using luminescent methods. Subsequently, it describes procedural defects arising from the improper handling of already manufactured products. The final part deals with the main topic of the work, which is a detection using luminescence methods and it also mentions the non-luminescence method LBIC. The practical part of the master thesis contains the analysis of the current solution and of the subsequent proposal of solution using a low cost camera. It describes how to modify the camera, verify its spectral sensitivity using a spectrometer and measure the sensitivity of the CMOS sensor. The conclusion is focused on verifying the functionality of the proposed solution on different sources of infrared radiation and photovoltaic panels themselves.
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Electric power generator with steam engine
Marčík, Silvestr ; Foral, Štěpán (referee) ; Baxant, Petr (advisor)
My bachelor thesis is focused on design and production of power generator driven by single-acting piston steam engine. Thesis includes introduction into the issue of steam engines and their history and it describes construction of their individual elements. The next part of the thesis describes manufacturing process of electrical and mechanical components and their optimization for given system. Thesis also includes research and development of new components of the steam engine in order to increase its efficiency and it describes possibilities of using the energy for small applications. The result of the thesis is a measurement and commissioning of the entire system. In conclusion achieved results and options of modification of steam power generators are discussed.
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