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Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 576
Vildman, Michal
Nabíječ lithiových akumulátorů

Presented bachelor thesis is focused on the issue of lithium accumulators and the construction of a source for their charging. This work describes basic principles, based on their strengths and ailments, the specifics of charging and the principle of safe handling. The next part&#x...

Mičúch, Jaroslav
Antény realizované pomocí technologie šití nebo pletení

The thesis deals with the issue of embroidered and knitted antennas. This paper describes basic sewing and knitting techniques from basic stitches to sewing on industrial machines. The basic parameters of the antennas are described here. The last part of this work is a compari...

Jendek, Jan
Návrh monitoru automobilových sběrnic

The bachelor thesis deals with automotive buses. The basic principles of communication of specific buses, their physical and line layers are explained in firts part. The second part of bachelor thesis is focused on practical demonstration of communication through the CAN bus. The g...

Myslivec, Jan
Vliv provedení svaru plechu jádra transformátoru na velikost proudu naprázdno

The presented bachelor´s thesis is focused on the properties of transformer sheets bond for no-load current of a transformer. As the amount of the no-load current depends mainly on the quality of the magnetic circuit of the transformer consisting of the transformer sheets, so ...

Sihlovec, Jiří
Vliv nečistot na elektrickou pevnost

This bachelor thesis deals with effect of impurities, which can cause decrease of electric strength on electric line. First part of thesis describes theory of discharges in gases. Second part of thesis focuses on choosing experiments and measuring breakdown voltage of discharges for...

Huszár, Martin
Výpočet efektivní a střední hodnoty

The submitted bachelors work focuses on the software analysis of a general periodic function in the form of datasheets in MATLAB. More specifically, the focus is on the mean value, the root mean square value, phase shifts, power, and the analysis of a 3-phase consumption ...

Skalický, Martin
Zpracování teplotního modelu synchronního stroje s PM v prostředí MATLAB

The bachelor thesis is focused on thermal calculation of permanent magnet synchronous motor, designed for electric traction. Warming is calculated by analytic method of equivalent thermal network with lumped parameters. Acquired thermal equations are converted into matrix form and solved in ...

Louda, Jan
Technologie tavení materiálů elektromagnetickou indukcí ve studeném kelímku

This bachelor thesis is focused on explanation of the electromagnetic induction melting technology in the cold crucible. The first chapter describes the basics of the electromagnetic field beginning with the description of Maxwell equations in integral and differential form. Deduse of the&#x...

Kubeš, Josef
Tavení kovů v indukčních kanálkových pecích

Presented bachelor´s work deals with application induction heating in different applications. The work is primarily devoted to duct induction furnaces. It treats also the principle of induction heating itself but it also deals with its using in melting and overheating applications. The ...

Nešpor, Jan
Vícefázová vinutí elektrických strojů točivých

The bachelor thesis deals with the possibility of using multiphase windings in electric rotating machines. The thesis contains an analysis of standard three-phase windings and a mathematical description of three-phase rotating magnetic field. In addition, there is a reference to the use ...

Mayer, Václav
Rozbor složek zkratového proudu

This bachelor thesis is focused on transient phenomena in near short circuits on synchronous generators. The aim of the thesis is to describe used synchronous machines, their advantages and disadvantages. Another task is to write a MATLAB script that will process measured timescales...

Čížek, Václav
Rozbor vypínacího procesu vypínačů vvn/zvn se zaměřením na dielektrický interval

This bachelor's thesis is focused on the analysis of switching capacity of the powerful switch with SF6 gas. It deals with the issue of switching disciplines for different types of short circuit and to analyse the intervals of the switched electric arc. The second part...

Stec, Tomáš
Porovnání programů pro síťové výpočty

Submitted bachelor's thesis is focused on a comparison of programs that are dealing with calculations and power grid analysis especially in the area of steady state of the system. In the first phase, there is done a theoretical opening which smoothly follows up with ...

Knedlík, Michal
Ovládání prvků diodového pole pomocí LabVIEW

This work was created for reason to demonstrate the possibilities of using LabVIEW and the hardware from National Instruments. Focusing on the development of LED display, controlling algorithm and choice of useable LED diodes. This work has gone through some development pha...

Hlubuček, Josef
Provoz propojených vývodů VN

This bachelor thesis is devoted to the operation of interconnected medium voltage feeder, and examines the contribution of the closed loop over the readial configuration. Closed loop arrangement improved power supply reliability and increases network hardness in closed loop nodes. The proble...

Lávička, Antonín
Přídavné dálkové ovládání boosteru

The presented bachelor thesis deals with description of wiring of the existing remote control of the booster transformer in the laboratories EL 101 and the design of the additional remote control of the booster. It also describes what is the purpose of booster and the phy...

Čurda, Petr
Návrh asynchronního motoru s klecí nakrátko

The thesis deals with electromagnetic design of the induction machine with squirrel-cage with parameters: P = 120 kW, U = 400 V, 2p = 8, m = 3, IP23, f = 50Hz. The design of the machine is made according to specified parameters. The goal of the thesis is&#x...

Dražan, Jiří
Návrh asynchronního stroje s dvojitou klecí nakrátko

This bachelor thesis presents the design of 3-phase 4-pole 11 kW induction motor with double (Boucherot) squirrel cage. This thesis is focused on the design of electromagnetic model of this machine, which consists of design and dimensioning of construction parts of this machine, ca...

Goran, Petr
Nabíjecí stanice pro elektrické vozidlo

The submitted bachelor thesis is focused on the issue of charging and charging stations for electric cars. In the first part, there is acquainted with the overview of the charging stations together with the used batteries and the charging process. The topology of CHAdeMo charg...

Kubín, Vít
Nízkonákladový zatěžovací odporník

This thesis describes the issue of low cost rezistor. There are few different solusions of rezistors, made from a common materials, that can be normály purchase. Those solutions are compared to rezistors, that are commonly available on the market. Program used for modeling those&#x...

Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 576