National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Inverters for lighting units with LEDs
Zuber, Zalán ; Feiler, Zdeněk (referee) ; Klíma, Bohumil (advisor)
The master‘s thesis deals with DC/DC converters for power LED diodes. Gives an overview of the field of LED lighting technology, analyzes various types of converters and shows their principle of operation. Furthermore presents some possible circuit designs for three different voltage levels and the calculations for each part. As an approval of their functionality the results of their measurements are plotted followed by the data evaluation.
In the process
Volková, Markéta ; Velická, Erika (referee) ; Korbička, Pavel (advisor)
My bachelor's thesis is an object responding to the space that surrounds it. It points out the contradiction between organic and austere form. In my work, I materialize abstract experiences through metonymically selected building elements related to the places in which I have these experiences. As an extraction of elements appearing in the architecture of the Southern Mediterranean, a form of ornament appears in the work, which is understood by a figurative comparison to the experience of travelling on holiday. Another element, representing a figurative experience of returning "to reality", are the lux spheres. Their character is linked to the architecture of Central Europe. I explore the relationship between the different types of buildings, which I then freely develop. My perception of reality enhances the recognition of the new with the already known. I let the objects represent and capture these two opposing perceptions with implications and emphasis on their differences. In this way, I come to find in my work a similarity between geometric austerity, which signifies perfectionism, and the intuitive unfolding of ornament, which inserts the theme of organicity into the object. An important aspect of the thesis is processuality. I understand my work as a border between conceptual and intuitive process.
Inverters for lighting units with LEDs
Zuber, Zalán ; Feiler, Zdeněk (referee) ; Klíma, Bohumil (advisor)
The master‘s thesis deals with DC/DC converters for power LED diodes. Gives an overview of the field of LED lighting technology, analyzes various types of converters and shows their principle of operation. Furthermore presents some possible circuit designs for three different voltage levels and the calculations for each part. As an approval of their functionality the results of their measurements are plotted followed by the data evaluation.

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