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Dissertations / Theses on the topic 'Výkonový modul'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Consult the top 16 dissertations / theses for your research on the topic 'Výkonový modul.'

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1

Pavlík, Ondřej. "Měnič pro malý 3f asynchronní motor." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-219915.

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The aim of this diploma thesis is to continue in prototype realization and a final proposition of three-phase frequency transformer pilot projected in scope of my bachelor work. This transformer is outlined for a small unsynchronized engine to 100 watt output and is designed to supply the fan motor. This suggestion was optimalized from the standpoint of bargain low price and technical feasibility. Powerful part of transformer is solved with help of circuit FSB50450 which is fed from compact source MYRRA 47155. Steering system is guaranteed with circuit MC3PHAC. This device is possible to use i
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2

Ertl, Jakub. "Spolehlivost výkonových olejových transformátorů." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-234174.

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The doctoral thesis deals with design of non-invasive methods for estimated reliability analysis of power oil transformers. Such procedures also solve two-state and multistate reliability problems together with applying of gained reliability characteristics in planning further operation of these non-rotating electrical machines. Reliability module for diagnostic system, which is developed at the training workplace, is designed in conclusion of this thesis. All the above procedures were verified on data obtained from diagnostic measurements of ten power oil transformers operating in different p
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3

Mikláš, Ján. "Výkonové spínací tranzistory." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-254485.

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In this thesis, prerequisities for a switching loss measurements are established as well as designing of DC-bus and the base/gate driver for the power transistors; followed by derivation of mathematical approximation of transistor conductivity gCE =iCuCE, circuit simulation using gCE as a transistor model and a discussion of measured waveforms.
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4

Tuhý, Luboš. "Výukový modul pro měření v předmětu Výkonová elektronika 1." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-220550.

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This thesis describes the design and implementation of the transistor inverter to the subject of power electronics first outcome of this thesis will transistorized inverter that will serve as a demonstration tool in laboratory practice course electrical power. The laboratory preparation, students will be able to virtually test your theory acquired knowledge of the issue. Part of the theoretical analysis will be proposed circuit simulation program through classes Spice.
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5

Daněček, Petr. "Útoky na kryptografické moduly." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-233418.

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The conventional way of cryptanalysis is based on the cryptographic algorithms weak points examine. The attack model of conventional cryptanalysis covers mathematical description of the cryptographic algorithm used. This model is not with the relation to the physical model implementation and the real environment. Cryptographic algorithms currently used in the combination with strong cipher keys are almost unbreakable and the conventional cryptanalysis is ineffective. The new way of cryptanalysis employs the side channels. The model of cryptanalysis using side channels is enhanced with physical
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6

Akhmadishina, Alina. "Predikce vývoje diagnostických veličin." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230272.

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The work deals with the analysis of time series of diagnostic quantities measured in power oil transformers. The first part includes power oil transformers and the description of diagnostic variables that are measured inside these non-rotating electrical machines. The next section introduces the decomposition model of time series including analysis of all its components. The last part deals with the predictions of the likely survival time of power oil transformers operating in different power plants in the Czech Republic.
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7

Hančar, Michal. "Model dynamiky lidských zdrojů v projektovém řízení." Master's thesis, Vysoká škola ekonomická v Praze, 2016. http://www.nusl.cz/ntk/nusl-261804.

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This thesis is focused on dynamics of soft factors influencing workers during projects. These factors include motivation, workplace atmosphere, team synergy of workers and their emotions, and attribute of project manager who manages the project. Identification of soft factors and their relationships was achieved by examination of scientific literature in psychology and system dynamics. Description of managing project matters was achieved by examination of scientific literature dealing with project management. The main objective of this thesis is to create a dynamic model which simulates behavi
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8

Šporik, Jan. "Bezdrátový optický spoj v sítích LAN a MAN." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-217950.

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The main aim of this thesis is the design of an optical wireless link that is transmitted in free space, in the atmosphere. The thesis describes the composition of heads of the atmospheric optical link. One part of this work focuses on the issue of the spread of optical beam in the atmosphere. The facts which have a major impact on the transmission of optical radiation in free space are pointed out here as well. In this work phenomena of absorption, refraction of light, turbulence and dispersion are discussed. Wavelengths spread in the atmosphere with different decline and therefore this thesi
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9

Vintera, Jiří. "Spektrální analýza se superrozlišením." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217554.

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VINTERA, J. Spectral anlysis with superesolution. Brno: University of Technology, The Faculty of Electrical Engineering and Communication, 2008. 85 p. Master’s thesis. This thesis deals with the topic of super-resolution spectral analysis in the Signal Processing Toolset. The Signal Processing Toolset is a software component of the LabVIEW 8.1. program equipment. The thesis consists of three main parts. In the first part the basic theoretic concepts of the Model-Based Frequency Analysis are described. The second part serves as a user manual for the super-resolution spectral analysis in the Sig
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10

Novák, Michal. "Ukázky řízení pohonu s měničem frekvence Sinamics S120." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-254399.

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In this thesis is described a laboratory process of example of traction control with frequency converter SINAMICS S120. The focus of this thesis is divided into three parts. Modification of the traction to translational motion for transport of the open vessel with liquid. Proposal of the autonomous operation of the traction without connection to other devices such as a personal computer or PLC, including wiring diagram. The simulation of a dynamic movement for transport of the vessel with liquid in the simulation environment MATLAB and implementation using the proposed laboratory traction. Com
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11

Nováková, Marie. "Mapování pohybových artefaktů ve fMRI." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-220039.

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This thesis summarizes a theory of magnetic resonance and the method of functional magnetic resonance. It is focused on the influence of motion artifacts and image preprocessing methods, especially realign. It deals with the possibility of using movement parameters obtained in the process of alignment of functional scans to create maps that show the expression of motion artifacts. In this thesis, three different methods were designed, implemented a tested. These methods lead to the creation of probability, power and statistical group maps showing areas typically affected by movement artifacts.
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12

Sura, David. "Finanční analýza evropských společností v elektroenergetickém průmyslu." Master's thesis, Vysoká škola ekonomická v Praze, 2012. http://www.nusl.cz/ntk/nusl-114068.

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This diploma thesis focuses on providing complete characteristics of European electroenergetic industry by sample of 28 most important companies from 28 countries. Analyzing these companies, their financial results and relations to surroundings during terms from 2001 to 2010 is made by means of financial analysis, then output analysis and statistical analysis to prove relations between companies' financial results and macroeconomic and microeconomic factors. As a result of partial analyses there are several findings, of which the most interesting ones are following. Financial results were gett
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13

Zavadinka, Peter. "Development of a Variable Roller Pump and Evaluation of its Power Saving Potential as a Charge Pump in Hydrostatic Drivetrains." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-234261.

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Predložená doktorandská dizertačná práca (ďalej len práca) sa zaoberá rozsiahlou analýzou valčekového hydrogenerátora s premenlivým geometrickým objemom a predikciou výkonových úspor dosiahnutých aplikáciou navrhnutého valčekového hydrogenerátora s premenlivým geometrickým objemom v hydrostatickom pohone vybraných mobilných pracovných strojov. Teoretický rozbor princípov fungovania valčekového hydrogenerátora a teória jednorozmerného simulačného modelu sú popísané v prvej časti práce. Na základe odvodenej teórie je vytvorený simulačný model, ktorý je vhodný na predikciu priebehu tlaku v komorá
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14

Šindelářová, Jana. "Inovační aspekty elektronickeho výběru mýtného v ČR." Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-10475.

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This thesis deals with the innovation of information system (IS) as a decision problem. The main objective of this thesis is the construction and the application of a method to select an optimal innovation variant of IS in an organisation of any scale. The designed method is based on the conception of the innovation of IS in the methodology "Multidimensional Management and Development of Information System (MMDIS)". The proposed selection method (Method of Innovation Modules based on MMDIS - MIM) is intended to serve mainly for decision-making on a strategic level. The IS structure is mapped i
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15

Štika, Pavel. "Hodnocení online kampaní s návazností na obchodní strategii." Master's thesis, 2015. http://www.nusl.cz/ntk/nusl-191070.

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The diploma thesis is focused on online campaigns, email and banner cam-paigns. This includes Internet marketing as well as internet communication. Goal of the practical part of the thesis is to evaluate past campaigns using econ-ometric model, statistical model validation tests and to determinate the factors that affect revenue. There will be recommendation provided to the company based on the campaigns evaluation, which types of internet direct marketing to prefer in the future. The results of the thesis could become a general guideline for companies that only started to use internet campaig
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16

Horký, David. "Stanovení obvyklých nákladů a cen těžebních prací v lesním hospodářství." Master's thesis, 2018. http://www.nusl.cz/ntk/nusl-428316.

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This diploma thesis is intended to determine the usual costs and price of logging operations in forestry. In the research part, the thesis focuses on individual pricing methods. It describes the analysis of individual items entering the logging technologies. It deals with the performance standards that are evaluated using the methodological part of the research and also proposes a new calculation model based on the results of the market analysis. The result is an evaluation of the use of performance standards in practice and a description of the created calculation model which works on the bas
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