Course detail

Selected Chapters of Electroengineering

FSI-RE0Acad. year: 2011/2012

The course deals with the basic laws of electromagnetism applied to the theory of electrical machines. Also discussed are the following topics: Magnetic circuits of electrical machines. Basic voltage equations, equivalent circuit diagrams, phase diagrams, the basic electrical connections of electrical machines. Energy and power flow diagrams, losses and efficiency. Torque equation. Electrical machines' performance. Nonsymmetrical loading. Influence of higher harmonics. Basic characteristics of electrical machines.

Language of instruction

Czech

Number of ECTS credits

3

Mode of study

Not applicable.

Guarantor

doc. Ing. Čestmír Ondrůšek, CSc.

Department

Institute of Solid Mechanics, Mechatronics and Biomechanics (ÚMTMB)

Learning outcomes of the course unit

Students will acquire basic knowledge of electromechanical energy conversion, and will be made familiar with basic constructional parts of electrical machines, as well as principles of electrical machines operation. Also dealt with are the following topics: Single-phase and multiphase transformers. Parallel operation. Three-phase induction motor. Generation of revolving magnetic field. Torque characteristic, starting of induction motors. Single-phase induction motor. Three-phase induction motor on single-phase mains. DC machine principle of operation. DC generators. Performance of DC motors.

Prerequisites

Basic laws and terminology of electrical and mechanical engineering. Three-phase systems.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

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

Assesment methods and criteria linked to learning outcomes

Control tests - 20 points
Individual projects - 15 points
Written and oral exam - 65 points

Course curriculum

Not applicable.

Work placements

Not applicable.

Aims

The course is intended for students majoring in branches other than mechatronics. The aim is to acquaint the students with the principles of operation and performance of transformers, induction machines, DC machines and synchronous machines. The theoretical knowledge is verified in laboratory exercises.

Specification of controlled education, way of implementation and compensation for absences

Attendance at numeric and computer exercises is compulsory.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Fitzgerald,Kingsley,Kusko:Electric Machinery,McGraw-Hill
Měřička,Haňka,Voženílek.:Elektrické stroje,ČVUT Praha
O'Kelly:Performance and Control of Electrical Machines,McGraw-Hill

Recommended reading

Not applicable.

Classification of course in study plans

  • Programme N3901-2 Master's

    branch M-MET , 1 year of study, winter semester, elective (voluntary)

Type of course unit

 

Lecture

26 hod., optionally

Teacher / Lecturer

doc. Ing. Čestmír Ondrůšek, CSc.

Syllabus

1. Basic laws of electromagnetism related to electrical machines.
2. Principle of electromechanical energy conversion.
3. Transformers. Ideal transformer, actual transformer, basic equations.
4. Principle of operation and construction of power transformers.
5. Three-phase transformers, winding connection, parallel operation.
6. Magnetic circuit and winding of electrical machines. Principle of operation of induction machine, generation of revolving magnetic field.
7. Equivalent circuit diagram, fundamental equations and torque characteristics.
8. Starting of induction machines speed control.
9. Single-phase induction machine. Three-phase induction machine in single-phase mains. The higher harmonics influence.
10. Synchronous machine. Principle of operation and construction.
11. Theory of nonsalient machine. Torque characteristic, synchronous machine with individual load and parallel operation.
12. DC machines. Principle of operation and construction, fundamental equations.
13. DC machines steady state performance.