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Selection and Application of Surge Arresters for Middle-Voltage Air-Insulated Switchgears
Němec, Ondřej ; Bernard, Michal (referee) ; Drápela, Jiří (advisor)
The purpose of this thesis is to introduce readers with design of a surge arresters in four different categories. In the first part of this thesis is described theory of overvoltage, surge arresters and testing. The second part of this thesis is focused on design of surge arresters to protect from overvoltage due switching capacitive loads. The thesis continued with design of surge arresters in medium voltage network. The next part is design of surge arresters to protect from overvoltage due switching inductive loads. The next point is protective distance of surge arresters in different lighting overvoltages. In the conclusion of this thesis is the appreciation of whole problems about surge arresters.
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Designing and creating a mobile application in a starting company
Ondrejička, Michal ; Novák, Lukáš (referee) ; Neuwirth, Bernard (advisor)
This master thesis deals with designing and implementing mobile application dedicated for Android smartphone devices. The application will help tourists in Bratislava to better navigate between main points of interest. An analysis of internal as well as external environment precedes the design process and builds a solid base of functional, cybersecure and graphic requirements to which the solution needs to adhere to.
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Design of an Information System Part
Liška, Michal ; Pivovar,, Jiří (referee) ; Neuwirth, Bernard (advisor)
The bachelor thesis focuses on solving the issue regarding enhancing the administration workflow effectiveness at the local election of the representatives. It goes the way of designing a part of the information system – the election application, created in the environment of the MS ACCESS 2013. The thesis is based on the database and information system theories and their use in a production environment. I have used the law normatives of the Czech republic for the organization and election processing based on the specific type of the local authority.
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Analysis of production process completeness of switchgears
Stokláska, Jiří ; Bernard,, Michal (referee) ; Paar, Martin (advisor)
This thesis introduces company ABB Brno and its products. It describes the manufacturing process of a switchgear and it is focused at working procedures at particular points of the assembly line. The main part analyzes the root causes of the incompleteness of switchgears in the relation to the components availability. Time footprint was worked out. As a conclusion the proposal of changes in manufacturing process to improve the level of completeness are stated.
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Design of overvoltage arresters in high voltage switchgear depending up parameters of connected load
Němec, Ondřej ; Bernard, Michal (referee) ; Lázničková, Ilona (advisor)
The purpose of this thesis is to introduce the reader about the problems of design of surge arresters. The first part of this thesis describes problems of surge. In the next part of this thesis are described test pulses needed to test surge arresters. The next issues of this thesis are medium voltage switchgears and surge arresters ABB and their test. In the next part ot this thesis are described type of network according earthing of transformers. The other point of this thesis are aplications of surge arresters, figures and calculation for networks, generators, transformers and motors. In the conclusion of this thesis is the appreciation of whole problems about surge arresters.
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Design of Printing Environment for Medium Company
Bondra, Ivan ; Jäger, Michal (referee) ; Neuwirth, Bernard (advisor)
The thesis deals with the design of the printing environment in REGADA company. Based on the analysis of the current print operation in company, the work points to the usual challenges of midsize companies in this field. Solution of these problemsis introduced in the design part of the thesis. This part describes the optimization of the main areas of the printing environment resulting in technical, operational and financial benefits of the proposed solutions.
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