|
|
Short-circuit resistance of the disconnector KBE, 38 kV, 3150 A
Šťastná, Antonie ; Šimek, David (referee) ; Bušov, Bohuslav (advisor)
The bachelor's thesis is focused on the calculations of electrodynamic forces and short-term warming for the disconnector of the company IVEP a.s. within the framework of the issue of short-circuit resistance. The first part contains a theoretical summary of high voltage switching devices, their division and functions. The next part describes the problem of short-circuit currents, and the third part contains an introduction to IVEP devices. In the fourth part, essential information affecting the short-circuit resistance test of the KBE disconnector, 38 kV, 3150 A, is selected and described from the relevant standards related to the topic of the thesis. The main part of the thesis is devoted to calculations of electrodynamic forces affecting on the relevant disconnector and calculation of short-term heating in critical places of the current-carrying path. In the thesis, the achieved results are commented on and possible adjustments are suggested in case of inequality with the standards.
|
|
|
Wireless charging station
Navara, Albert ; Dvorský, Adam (referee) ; Šteffan, Pavel (advisor)
The topic of this thesis is the design and construction of a wireless charging station compatible with the Qi standard with the possibility of delivering higher power. A wireless receiver is also designed and constructed to evaluate the capabilities of the wireless charger. Before the design itself, the theory of transmission and procedures for selecting topologies and components are discussed in the thesis. In the design of the transmitter and the receiver, microcontrollers are used, which take care of communication with each other and set the required parameters. The assembled transmitter is tested with a receiver in the form of an LC circuit, with a purchased receiver, and with the designed receiver within various distances and deviations of the transmitter and the receiver. The final product is fitted into a plastic box printed on a 3D printer.
|
|
|
Implementing security standards for a web hosting company
Kůřil, Libor ; Zápotočný, Matej (referee) ; Sedlák, Petr (advisor)
The thesis focuses on the implementation of minimum security standards for the operation of a web hosting company. It describes the current state of security of the operating infrastructure and information system. It contains a proposal how to implement minimum security standards into the current state so that they can be followed up in the future with the introduction of cyber security.
|
|
|
Analysis of the Punching Shear Resistance of Reinforced Recycled Aggregate Concrete Slabs According to Various Standards
Fecko, Tadeáš ; Halvonik, Jaroslav
This paper presents an analysis of the punching shear resistance of reinforced recycled aggregate concrete slabs. This work mentions several papers focusing on recycled aggregate concrete slabs. Punching shear resistance is assessed according to three design approaches based on standards. This article also describes the design of an experimental programme for the testing of reinforced concrete flat slabs from recycled aggregate concrete. A comparison of the results of analytical calculations and experiments shows that the most accurate design code was the second generation of Eurocode 2 and Model code 2010 with an updated failure criterion when the mean values of the ratio Vtest /Vcalc reached 1.15 and 1.14 respectively. On the other hand, the design code followed by Eurocode 2 provided results with higher safety when the Vtest /Vcalc ratio was 1.41
|
|
|
Creation and Implementation of E-learning simulations
Šilon, Ľubomír ; Pekárková, Lucie (referee) ; Kříž, Jiří (advisor)
Bachelor thesis presents a proposal of the electronic simulations for the e-learning courses. The basic principles and standards of e-learning and its comparison with classic style of teaching is explained in this thesis. This thesis describes how to create a simulation using Captivate and the possibility of its implementation in the internal learning company system.
|
|
|
Measurement of the fiber optical transport links
Ambrož, Jan ; Škorpil, Vladislav (referee) ; Reichert, Pavel (advisor)
This thesis deals with the measurement of optical transport links. In particular, the measurement of attenuation, chromatic and polarization mode dispersion. Specic me- asurement systems using a WDM and passive optical networks. Within each chapter are listed the causes and eects restrictive factors and methods of measurement. In chapter Attenuation measurements are described radiation and material loss as the main causes of depression. Methods whitch are described two lengths, insert loss and reectometri. Chromatic dispersion at dierent speeds of various wavelengths limits systems with high transfer rate. Methods of measuring the phase shift, dierential phase shift, pulse time delay and interference. Polarization mode dispersion is a random phenomenon caused double refraction, must be measured after completion of the route. Scanning wavelen- gth, traditional and general interference, reectometri and the polarimetric are methods of measurement. It described the measurement of WDM systems in three stages of its build. In brief PON networks are presented, with the specicities of the measurement over splitter. Most chapters are supplemented by the results and conclusions of practical measurements. At the end of the work are given by the two standards deal with the measurement of optical transport links.
|
|
|
Proposal of Marketing Plan
Kovář, Jan ; Mráček, Pavel (referee) ; Šimberová, Iveta (advisor)
The theme of my bachelor’s thesis is a marketing plan regarding to Czech representation of Ford Motor Company. The thesis deals with a stabilization of model Mondeo and its position in comparison to the competition of medium-size automobile category and increasing of its sales. It also treats of conditions within a large competition and pressure for constantly higher vehicle norms.
|
|
|
Solution of Internal Threats in the Information Security Management System
Trčka, Martin ; Sopuch, Zbyněk (referee) ; Sedlák, Petr (advisor)
This diploma thesis deals with internal threats in the organization and their restriction with the assistance of DLP system. The first part of the thesis discusses the information security management system and describes requirements for the introduction of the ISO/IEC 27000 standards series. Next chapters detail internal threats and technical description of the DLP system. The second part of the thesis analyzes the organization and describes the process of implementation of DLP solution, which aims to reduce internal threats. The conclusion of the thesis describes acceptance agreement and financial evaluation of the implementation.
|
|
|
Analysis of the safety requirements of machinery in the European Union and the Eurasian Economic Union
Belov, Vjačeslav ; Blecha, Radim (referee) ; Blecha, Petr (advisor)
The diploma thesis analyzes the European, Czech and Russian standards and requirements for ensuring safety of machinery and methodical process to ensure safety through certification of machinery and centrifugal pumps specially introduced onto the market in the Eurasian Economic Union and the Russian Federation. The first part describes the legislative documents, their properties and the current legislative requirements of EU and EAES. In the second part is an analysis and described comparison of legislative safety requirements of the European Union, the Czech Republic, the Eurasian Economic Union and the Russian Federation. In the third part is described comparison of standards, and were made updates. In the practical part is an analysis of risks pump manufacturer "SIGMA GROUP" according to the requirements EAES and proposed methods for reducing risk prevention. Also in the practical part is analyzed and is created methodical preparation of certification of machinery and pumps placed on the market in the Eurasian Economic Union and the Russian Federation.
|
|
|
I don’t care – Work is work!
Ferenc, Jiří ; Artamonov, Vasil (referee) ; Mikyta, Svätopluk (advisor)
Themes of my work are mass production and its error rate. The main target of my criticism is however the standard of goods, which separates aproved and disaproved ware. Beside criticism of standard I am also try to point out the power of uniformity of goods. In my opinion the uniformity of mass production can develop xenofobia and racism.
|
guest ::
