Diplomové práce / Theses (KEV) Collection home page

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Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 106
Ledvina, Vlastimil
Vliv tvaru pole na ztráty v magnetickém obvodu PMSM

Iterative design of a synchronous machine with permanent magnets in a rotor was performer in this thesis. Rotor was designed with surface mounted magnets and then replaced with an equivalent rotor with "V" shaped magnets. FEM simulation was performer in order to&#...

Valter, Ondřej
Srovnání aktivních usměrňovačů

This diploma thesis is focused on active rectifiers used in power electronics. There are two types of active rectifiers, which use transistors as switching components. The first converter is called Smart Line Module. It works as a standard diode rectifier in the rectifier operation...

Macháček, Martin
Třífázová nabíječka baterií

Thesis describes the construction of a three-phase charger prototype for charging the e-formula traction battery. The thesis includes an introduction of the charger topology, a proposal of ideal parameters of the resonance circuit of the LLC converter, a description of the power circuit...

Rollinger, Ondřej
Tepelný a ventilační výpočet asynchronního trakčního motoru

The subject of this diploma thesis is calculation and analysis of temperature distribution in 100 kW asynchronous machine. The calculation is done by two methods. On the one hand, the method of the substitute heat network and on the other hand, the finite element method. ...

Sobotka, Lukáš
Vliv provozních parametrů na oteplení PMSM motoru

The master theses present the simulation of warming of a synchronous machine with a permanent magnet in term of his load. The Machine model based on the real motor with parameters: P=35kW, U=248V, n=9000ot/min, IM 3001, IP44, IC00. The first Chapter is dedicated to the&#x...

Kaska, Jan
Optimalizace rotoru reluktančního motoru

This thesis deals with shape and topology optimization of rotor for reluctance machine. In the first section the investigation of optimization algorithms, meta and surrogate models and methods of geometry formalization used in literature is done. The methods and algorithms are described ...

Kopačka, Jan
Návrh synchronního reluktančního motoru s permanentními magnety

The main objective of this thesis is focused on electromagnetic design of permanent magnet assisted synchronous reluctance machine (PMASR). The introductory part introduces the reader to the problematic PMASR function. The electromagnetic design is solved analytically, and then the f...

Kotek, Petr
Návrh pětifázového synchronního motoru s permanentními magnety

The presented thesis is focused on the design of a five-phase synchronous permanent magnet motor for electric and hybrid vehicles. First, the drives for electric and hybrid vehicles are theoretically described. Then a synchronous motor with permanent magnets is designed. Suggested�...

Straka, Miloš
Měnič pro symetrizaci odběru

This master thesis is focused on creating a model of converter for power symmetrization in MATLAB software. The first step was create model of voltage-source active rectifier with vector control. That model was afterwards improved to active filter converter and final modification is...

Dupal, Stanislav
Regulace DC-DC měničů

The diploma thesis is focused on regulation of DC-DC converters. The introductory part describes the types of comonly used controls. In next section a phase shift full bridge converter is introduced . After that the PI control and model predictive control is developed for this...

Friedlová, Simona
Synchronní pulzně šířková modulace pro výkonové měniče

This thesis is focused on the modulations of power converters, especially synchronous pulse width modulation. The first part deals with the basic concepts used in the field of modulation for control of power semiconductor inverters and the overview and description of the most well&...

Soukup, Michal
Výkonový měnič pro aplikace s asynchronním motorem do výkonu 2,5kW

This diploma thesis is focused on the design and construction of a power converter for anasynchronous motor with a powerof 1.1 kW. This motor drives a standing metal polishing plant. The first part deals with the description of power transducers and power semiconductor components.&...

Ipser, Jiří
Podrobný výpočet oteplení cívky kotvy synchronního stroje

This diploma thesis is focused on the thermal calculation of stator coil in a three-phase synchronous machine with salient poles. This thesis is divided into four chapters. In the first chapter is briefly described the principle of synchronous machine and its structure. The second&...

Frank, Zdeněk
Stavba demonstračního soustrojí

This master thesis focuses on design and construction of a demonstrational electrical engine machinery consisting of two synchronous electrical machines. The thesis also includes an electromagnetic design, constructional solution of the whole machinery and its individual parts. The purpose of thi...

Šafář, Vojtěch
Vliv velikosti činitele pólového krytí na vlastnosti synchronního stroje

The master these deals with the issue of electromagnetic field´s proposal and the influence of pole coverage factor to properties of synchronous machines. The these is divided into six parts. The electromagnetic proposal of synchronous machine with the pole coverage factor alfa = 0...

Pospíšil, Přemysl
Optimální vektorové řízení reluktančního synchronního motoru

This diploma thesis is focused on simulation model solution and subsequent experimental verification of optimal vector control of reluctance synchronous motor. At work it uses Matlab to simulate the proposed simulation model. Further, Code Composer Studio is used, in which the c ++ ...

Hutyra, Dominik
Návrh trakčního asynchronního motoru pro kompaktní pohonnou jednotku

The submitted thesis is focused on the design of a traction squirrel cage asynchronous machine, cooled by air, for a compact traction unit. Potential of the thesis is to substitute currently designed unit, made up of synchronous machine with permanent magnets with water cooling.&#x...

Do, Viet Hung
Optimální vektorové řízení pohonu se synchronním motorem s proměnnou vzduchovou mezerou

This diploma thesis is focused on the solution of the vector control of a synchronous machine with Variable Air Gap. The thesis contains a theoretical introduction to the problem, design and description of a simulation model. The simulation model is modeled by Matlab / Si...

Černoch, Michal
Návrh řady asynchronních motorů

The thesis is focused on the design of a series of squirrel cage induction motors, where the given number of motors are designed and dimensioned into specified series. After that, equivalent circuit parameters of the machines are verified in RMxprt software. Based on the calcu...

Pašek, Jan
Konstrukce měniče pro výukový model synchronního motoru

This diploma thesis is focused on the design of the inverter construction for the training model of the synchronous motor and on its control.

Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 106