Czech

Not applicable.

Subject graduate should have been able:
- describe main parts of electric machines,
- know classes of insulation and electrical machines costruction,
- describe construction of transformer,
- explain transformer losses,
- understand and explain single and multiphase transformer operation,
- calculate parameters of transformer equivalent circuit from no-load and short – circuit tests,
- draw and explain phasor diagrams of transformer at no load, at short circuit and generally loaded.
- transformer winding connection and phasor diagram for different hour angle,
- explain and calculate transformer voltage regulation,
- describe and explain construction and principle of operation of induction machine with wound rotor and with squirrel cage,
- describe revolving magnetic field generation,
- define basic kinds of AC machine windings,
- sketch curve of magnetic field of AC winding distributed in more slots,
- draw equivalent induction machine circuit diagram, derive torque equation and draw torque - speed characteristic ,
- describe connection of induction motor into public utility network and speed control,
- describe construction and principle of operation of single phase induction motor,
- describe principle operation and construction of nonsalient synchronous machine,
- draw simplified circuit diagram, derive torque equation and draw phasor diagram,
- explain synchronous generator operation with isolated load and with public utility network, use phasor diagram for explanation,
- explain synchronous compensator principle of operation,
- describe DC machine construction and principle of operation,
- describe basic types of DC machine windings,
- derive torque and induced voltage equations,
- explain properties of DC motors and generators,
- describe construction and explain principle of operation of AC single phase commutator machines.

Student should have been able to:
-explain and define basic terms magnetic field, electric field, magnetic field, circuits with lumped and distributed parameters,
- solve DC, AC and magnetic circuits,
- solve three phase AC circuits,
- define the terms work and energy,
- describe and explain basic properties soft and hard magnetic materials.

Not applicable.

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.

Control tests - 20 points
Laboratory and computer exercises - 10 points
Final Exam - 70 points

1. Introduction, motivation, repetition of the basics of magnetism and solving magnetic circuits.
2. Transformers. Ideal transformer, real transformer, basic equations.
3. Principle of operation and design of power transformers.
4. Three-phase transformers, winding connection, parallel operation.
5. Magnetic circuit and windings of rotating electrical machines. Principle of operation of asynchronous machine, generation of rotating field.
6. Equivalent circuit, basic equations and moment characteristics.
7. Starting three-phase asynchronous motors from the mains, speed control.
8. Single-phase asynchronous motor. Three-phase asynchronous motor on single-phase network.
9. Synchronous machine. Principle of operation, design.
10. Theory of non-salient pole machine. Torque characteristics, synchronous machine operating into independent load and in parallel with the network.
11. Synchronous machines with salient poles and permanent magnets.
12. DC machines. Principle of operation and design, derivation of basic equations.
13. Operating characteristics of DC machines in steady state.

Not applicable.

To acquaint the students with the principle of operation and performance of transformers, induction machines, DC machines and synchronous machines. The theoretical knowledge are proved in laboratory excerscises

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.

Not applicable.

Not applicable.

Fitzgerald,Kingsley,Kusko::Electric Machinery,McGraw-Hill
Hrabovcová, V., Rafajdus, P.: Elektrické stroje. Teória a príklady, EDIS ŽU v Žiline, ISBN: 978-80-554-0101-0 (CS)
Měřička,Haňka,Voženílek.::Elektrické stroje,ČVUT Praha
O'Kelly:Performance and Control of Electrical Machines,McGraw-Hill
P. C. Sen: Principles of Electric Machines and Power Electronics, ISBN: 9781118078877 (EN)
Stephen Umans: Fitzgerald & Kingsley's Electric Machinery 7th Edition, ISBN: 978-0073380469 (EN)

Not applicable.