Course detail
Theory of Electrical Machines
FEKT-MPA-TESAcad. year: 2023/2024
Basic concepts of electromechanical energy conversion. Electromechanical systems with multiple exciting coils, with linear and rotary motion, dynamic equations of the electromechanical system. The mathematical models of asynchronous machine, synchronous machine, and reluctant machine.
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Entry knowledge
- explain electromagnetic basic principles, solve DC, AC electric circuits with lumped parameters and magnetic circuits,
- differentiate functions of one and more variables,
- integrate functions of one and more variables,
- solve transients in linear and nonlinear circuits using Matlab Similink,
- explain principle of operation and properties of electromagnets, transformers, induction, synchronous and DC machines.
Rules for evaluation and completion of the course
The content and forms of instruction in the evaluated course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.
Aims
Subject graduate should have been able:
- explain principle of electromechanical energy conversion
- derive expression of force and torque in linear and nonlinear system with linear and rotary movement and solve simple exaples,
- form dynamic equations of any electromagnetic system,
- form dynamic equations of an induction and a synchronolus machine
- describe and explain general theory of electric machines and form dynamic equations,
- explain transformation of coordinates,
- form dynamic equations of induction, synchronous and DC machines and solve electric machines transients using Matlab Simulink.
Study aids
Prerequisites and corequisites
Basic literature
Hrabovcová,Rafajdus,Franko,Hudák, Meranie a modelovanie elektrických strojov, ISBN 978-80-554-0852 (EN)
John Chiasson, Modeling and High Performance Control of Electric Machines, ISBN 9780471684497 (EN)
Krause Paul, Wasynczuk Oleg, Analysis of Electric Machinery and Drive Systems, Third Edition, ISBN 9781118024294 (EN)
Scott D. Sudhoff, Power Magnetic Devices: A Multi-Objective Design Approach, ISBN 978-1-118-48999-4 (EN)
Recommended reading
Classification of course in study plans
- Programme MPA-EEN Master's 2 year of study, winter semester, compulsory-optional
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
1. Introduction to electromagnetic circuits.
2. Static system of two and more coils, mathematical model of transformer.
3. Equivalent circuits of the transformer and their transformations. Identification of electrical parameters.
4. Three-phase transformer.
5. Coordinate transformation.
6. Formation of force and moment in electromagnetic circuits, mathematical model of electromagnet.
7. Moving system of two or more coils, mathematical model of resolver.
8. Mathematical model of a rotary transformer.
9. Mathematical model of a DC machine.
10. Mathematical model of asynchronous machine in natural coordinates.
11. Mathematical model of an asynchronous machine in general rotating coordinates.
12. Mathematical model of a synchronous machine.
13. Analysis of steady and dynamic machine operation.
Exercise in computer lab
Teacher / Lecturer
Syllabus
1. Calculations and simulations of electromagnetic circuits.
2. Calculations and simulations of electromagnetic circuits.
3. Calculations and simulations of electromagnetic circuits.
4. Transformer simulation.
5. Simulation of a three-phase transformer.
6. Coordinate transformation.
7. Calculations and simulation of electromagnet.
8. Simulation of rotary transformer.
9. Simulation of resolver.
10. DC machine simulation.
11. Simulation of asynchronous machine.
12. Simulation of asynchronous machine.
13. Synchronous machine simulation.