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Magnetic field analysis of synchronous machine
Volf, Tomáš ; Janda, Marcel (referee) ; Skalka, Miroslav (advisor)
The Magnetic Field Analysis Project of Synchronous Machine deals with program for magnetic field analysis of synchronous machine cross section. This program is written in detail along with the necessary theory of synchronous machine and the ANSYS program. After this the program for using different types of sectional wires modification is made – in the concrete for round conductors. It is attained the numeric computing method – The Finite Element Method. To creation of the magnetic field simulation serves ANSYS program, which uses The Finite Element Method.
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Magnetic field mesurement on electrical machines
Manduch, Viliam ; Skalka, Miroslav (referee) ; Mikulčík, Aleš (advisor)
This bachelor thesis deals with magnetic field and the principles on which sensors for it´s measuring are based on. The following part of the bachelor work investigates the distibution of magnetic field in the environs of asynchronous engine. Analysis is evaluated with the assistance of graphical processing of measured values and a part of the analysis is also the comparison of this values with the values calculated with assistence of the method of final compoments in program FEMM.
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Properties of whiper motor
Kůta, Aleš ; Skalka, Miroslav (referee) ; Janda, Marcel (advisor)
Nowadays a need of numerical computations of different tasks in the area of electrical engeneering is still rising. Common denominator of great demands given on a constructor and ecomonization of manifacturing is a requirement of efficiency. It´s necessary to use a characterictics of construction, own fundamentals and unique attributes of product. Application of Finite Element Method is possible solution which accombines abilities and knowledge of user in consecutive to complexity of computatio. This enables a use of the most optimal solution. This thesis describes a principals of Direct-Current motor and its´ special design: Direct Inductor motor with extrinsic excitation (permanent magnests). It presents a operation of wiper motor in consecutive to wiping systém and fulfillment of engeneering standards. It also describes a principles of Finite Element Method in context to basics of simulation program FEMM. Main attention is given to creation of concrete model and to simulation of gauged exercise with wiper motor. Also there is a second simulation of motor, focused to different type of stator excitation. Findings of thesis is a comparation of theese exercises. Consecution of modeling in software environment is described. It compiles gauged excercise and interprets them.
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Analytic represantation of AC winding properties
Kubín, Tomáš ; Skalka, Miroslav (referee) ; Ondrůšek, Čestmír (advisor)
My bachelor thesis deals with the issue of overview diagram of magnetic fields of basic free-phase winding. It is divided into four parts.The first part focuses on basic winding types and types of their connection. The second part describes the issue of analytic calculation of the magnetic field intensity in the air gap of rotating machines. This description is easier and faster than modern method of final elements in some cases because it displays course of particular harmonics and their partial sums for selected magnetic fields. The third part presents Görges diagrams of basic winding types and finally there is a calculation of the winding factor shown on two examples in the fourth part.
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Magnetic field analysis with finite element method and magnetic sensor
Volf, Tomáš ; Kurfűrst, Jiří (referee) ; Skalka, Miroslav (advisor)
The magnetic field analysis by MKP and magnetic probe project deals with magnetic field analysis of asynchronous machine cross section. This analysis is written in detail along with the necessary theory of asynchronous machine and the ANSYS program. The magnetic field of selected machine is measured by magnetic probe and results are compared with calculation. The next part of thesis is draft of device for the magnetic field analysis.
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Design of industrial wiring system
Kytlica, Josef ; Bátora, Branislav (referee) ; Skalka, Miroslav (advisor)
This project deals with problems of industrial installation for luminous and drawer circuit and technological (motor driven) system also. Then is been described a technological system for connection and control problem of electrical machine. Then is described a drawing documentation includes disposal whole object, electrical machine connection into the switchboard, control boxes and control system. The next part contains a power circuit distribution from switchboard to all facilities including control system. The power circuit is shown in drawing documentation by the single-line diagram and the line scheme for control circuit. The technological equipments distribution includes main switchboard with cable trays are shown in disposition. In the technical report is described a whole project which advert on valid specification of ČSN.
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Thermal analysis of induction machine
Grmela, Petr ; Janda, Marcel (referee) ; Skalka, Miroslav (advisor)
This thesis is dealing with thermal fields and the possibilities of their solution by a finite element method. Thereinafter thesis describe assembling a 3D model of induction machine with known parameters, and solving thermal field of the model by Ansys Workbench program and verification of these results by practical measuring on real machine.
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