Katedra elektromechaniky a výkonové elektroniky / Department of Electromechanical Engineering and Power Electronics

Kolekce


Recent Submissions

Štěpánek, Jan
Aplikace moderních polovodičových součástek

This dissertation thesis deals with power converters for special applications using modern semiconductor devices. Main target of this thesis is to design power converters for three different projects with unique requirements. First power converter variant is designed for automotive field an...

Bednář, Bedřich
Vysokonapěťové měniče pro elektrické pohony

The presented PhD thesis introduces the proposed topology of traction drive composed of several separate cells of the power traction converter. This work describes modular topology of traction converter with medium-frequency transformer using matrix converter and voltage-source active rectifier. The&#...

Kaska, Jan , Orosz, Tamás , Karban, Pavel , Doležel, Ivo , Pechánek, Roman , Pánek, David
Optimization of reluctance motor with printed rotor

A novel way of optimizing a reluctance motor with rotor manufactured by 3D printing technology is presented. The optimization algorithms must take into account the tolerances of its production that are generally higher compared with classical processing, which requires a high level of&#...

Gonzalez-Teodoro, Jorge Rafael , Romero-Cadaval, Enrique González , Asensi, Rafael , Prieto, Roberto , Kindl, Vladimír
New electrical parameters extraction method based on simplified 3D model using finite element analysis

Purpose–The purpose of this paper is the presentation of an electrical equivalent circuit for inductivecomponents as well as the methodology for electrical parameter extraction by using a 3 Dfinite elementanalysis (FEA) tool.Design/methodology/approach–A parameter extraction based on energies has ...

González-Teodoro, Jorge Rafael , Romero-Cadaval, Enrique , Asensi, Rafael , Kindl, Vladimír
Determination of wire resistance caused by skin effect using modified 3D finite element model

The article introduces methodology of lowering time and computational requirements for complex 3D finite element analysis. It is based on approximation of winding cross section with a proper polygonal shape which significantly reduces the number of mesh elements and eases the computational&#...